HGST HUS724040ALS640 User manual

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Ultrastar 7K4000
3.5" SAS 6Gb Hard Disk Drive
Models: HUS724040ALS640
HUS724040ALS641
HUS724030ALS640
HUS724030ALS641
HUS724020ALS640
HUS724020ALS641
Version: 1.8
April 14, 2016
Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal
of down-level versions is the responsibility of the document holder.

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
1st Edition (Rev 1.8) (14 April 2016)
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HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table of Contents
1.0 General............................................................................................................................1
1.1 Introduction................................................................................................................1
1.2 Glossary .....................................................................................................................2
1.3 Caution.......................................................................................................................2
1.4 References..................................................................................................................2
2.0 Outline of the Drive .......................................................................................................3
3.0 Fixed-disk Subsystem Description ...............................................................................5
3.1 Control Electronics ....................................................................................................5
3.2 Head Disk Assembly .................................................................................................5
3.3 Actuator .....................................................................................................................5
4.0 Drive Characteristics.....................................................................................................7
4.1 Formatted Capacity....................................................................................................7
4.2 Data Sheet..................................................................................................................7
4.3 Inquiry Information....................................................................................................8
4.3.1 Product ID.........................................................................................................8
4.3.2 World Wide ID - Block Assignment ................................................................8
4.4 Performance characteristics.......................................................................................9
4.4.1 Mechanical positioning.....................................................................................9
4.4.2 Drive ready time ...............................................................................................10
4.4.3 Data transfer speed: ..........................................................................................11
4.4.4 Buffering operation (read ahead/write cache)...................................................11
5.0 Data Integrity.................................................................................................................13
5.1 Equipment Status.......................................................................................................13
5.2 Error Recovery Procedure..........................................................................................13
6.0 Physical Format .............................................................................................................15
6.1 Shipped Format (P-List) ............................................................................................15
6.2 Reassigned Format (G-List).......................................................................................15
7.0 Electrical Interface.........................................................................................................17
7.1 SAS Connector ..........................................................................................................17
7.1.1 29 pin Serial Attached SCSI (SAS) Connector Definition...............................17
7.1.2 Voltage and Ground Signals.............................................................................18
7.1.3 Ready LED output ............................................................................................18
8.0 Environment...................................................................................................................19
8.1 Temperature and humidity.........................................................................................19
8.2 Storage requirements .................................................................................................20
8.2.1 Packaging..........................................................................................................20
8.2.2 Storage time......................................................................................................20
8.3 Corrosion test.............................................................................................................20
8.4 Cooling requirements.................................................................................................21
9.0 DC Power Requirements...............................................................................................23
9.1 Power Supply Current, Average and Peak.................................................................23
9.2 Ripple Voltage...........................................................................................................25
9.3 Power Consumption Efficiency Index.......................................................................26
10.0 Reliability......................................................................................................................27

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
10.1 Start/Stop Cycles......................................................................................................27
10.2 Load/Unload Cycles ................................................................................................27
10.3 Data Reliability........................................................................................................27
10.4 Seek errors ...............................................................................................................27
10.5 Failure prediction (S.M.A.R.T) ...............................................................................27
10.6 MTBF (Mean Time Between Failure): 2.0 M hours. ...........................................28
10.7 Preventive Maintenance...........................................................................................28
10.8 Temperature Warning..............................................................................................28
11.0 Mechanical Specifications...........................................................................................29
11.1 Outline .....................................................................................................................29
11.2 Mechanical Dimensions...........................................................................................30
11.3 Interface Connector..................................................................................................32
11.4 Mounting Positions and Tappings ...........................................................................32
11.5 Drive Mounting........................................................................................................33
11.6 Heads Unload and Actuator Lock............................................................................33
12.0 Vibration and Shock....................................................................................................35
12.1 Operating vibration..................................................................................................35
12.1.1 Random vibration (Linear) .............................................................................35
12.1.2 Swept sine vibration (Linear) .........................................................................35
12.1.3 Random vibration (Rotational).......................................................................35
12.2 Nonoperating vibration............................................................................................36
12.2.1 Random vibration ...........................................................................................36
12.2.2 Swept sine vibration........................................................................................36
12.3 Operating shock.......................................................................................................36
12.4 Nonoperating shock.................................................................................................36
12.4.1 Trapezoidal shock wave..................................................................................36
12.4.2 Sinusoidal shock wave....................................................................................37
12.5 Nonoperating Rotational shock ...............................................................................37
13.0 Acoustics .......................................................................................................................39
14.0 Identification ................................................................................................................41
14.1 Labels.......................................................................................................................41
15.0 Electromagnetic Compatibility...................................................................................43
15.1 Class B Regulatory Notices.....................................................................................43
16.0 Safety Standards..........................................................................................................45
16.1 UL and C-UL Standard Conformity........................................................................45
16.2 European Standards Compliance.............................................................................45
16.3 German Safety Mark................................................................................................45
16.4 Flammability............................................................................................................45
16.5 Corporate Standards Compliance ............................................................................45
17.0 SAS Attachment...........................................................................................................47
17.1 General.....................................................................................................................47
17.2 SAS Features............................................................................................................47
17.3 SAS Names and Identifiers......................................................................................48
17.4 Spin up.....................................................................................................................49
17.5 PHY Layer...............................................................................................................50
17.5.1 Link Reset Sequence.......................................................................................50

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
17.5.2 Hard Reset.......................................................................................................51
17.5.3 SAS OOB (Out of Band) ................................................................................51
17.5.4 SAS Speed Negotiation ..................................................................................52
17.5.5 PHY Error Handling.......................................................................................53
17.6 Link Layer................................................................................................................53
17.6.1 Address Frames...............................................................................................53
17.6.2 Link Layer Error Handling .............................................................................56
17.7 Transport Layer........................................................................................................58
17.7.1 Command Information Unit............................................................................59
17.7.2 TASK Information Units ................................................................................60
17.7.3 XFER_RDY Information Units......................................................................62
17.7.4 DATA Information Units................................................................................62
17.7.5 RESPONSE Information Units.......................................................................62
17.7.6 Sequences of SSP Information Units..............................................................64
17.7.7 Transport Layer Error Handling .....................................................................65
18.0 SCSI Command Set .....................................................................................................67
18.1 SCSI Control Byte ...................................................................................................69
18.2 Abbreviations...........................................................................................................69
18.3 Byte ordering conventions.......................................................................................69
18.4 FORMAT UNIT (04)...............................................................................................70
18.4.1 Parameter List Header ....................................................................................72
18.4.2 Initialization Pattern........................................................................................74
18.4.3 Defect Descriptor............................................................................................74
18.5 INQUIRY (12).........................................................................................................78
18.5.1 Inquiry Data....................................................................................................79
18.6 LOG SELECT (4C) .................................................................................................98
18.7 LOG SENSE (4D) ...................................................................................................101
18.7.1 Log Page parameters.......................................................................................102
18.7.2 Log Sense Page 0............................................................................................103
18.7.3 Log Sense Page 2............................................................................................104
18.7.4 Log Sense Page 3............................................................................................106
18.7.5 Log Sense Page 5............................................................................................108
18.7.6 Log Sense Page 6............................................................................................110
18.7.7 Log Sense Page D...........................................................................................111
18.7.8 Log Sense Page E ...........................................................................................112
18.7.9 Log Sense Page F............................................................................................114
18.7.10 Log Sense Page 10........................................................................................115
18.7.11 Log Sense Page 15........................................................................................118
18.7.12 Log Sense Page 18........................................................................................121
18.7.13 Log Sense Page 19h - General Statistics and Performance..........................124
18.7.14 Log Sense Page 1A.......................................................................................127
18.7.15 Log Sense Page 2F........................................................................................128
18.7.16 Log Sense Page 30........................................................................................129
18.7.17 Log Sense Page 37........................................................................................132
18.8 MODE SELECT (15) ..............................................................................................134
18.9 MODE SELECT (55) ..............................................................................................135

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
18.10 MODE SENSE (1A)..............................................................................................136
18.10.1 Mode Parameter List.....................................................................................137
18.10.2 Mode Page 00 (Vendor Unique Parameters)................................................141
18.10.3 Mode Page 01 (Read/Write Error Recovery Parameters).............................143
18.10.4 Mode Page 02 (Disconnect/Reconnect Parameters).....................................148
18.10.5 Mode Page 03 (Format Device Parameters).................................................150
18.10.6 Mode Page 04 (Rigid Disk Drive Geometry Parameters) ............................152
18.10.7 Mode Page 07 (Verify Error Recovery Parameters).....................................153
18.10.8 Mode Page 08 (Caching Parameters)............................................................154
18.10.9 Mode Page 0A (Control Mode Page Parameters).........................................156
18.10.10 Mode Page 0C (Notch Parameters) ............................................................160
18.10.11 Mode Page 18h ...........................................................................................161
18.10.12 Mode Page 19h (Port Control Parameters).................................................162
18.10.13 Mode Page 1A (Power Control) .................................................................169
18.10.14 .Mode Page 1C (Informational Exceptions Control)..................................173
18.11 MODE SENSE (5A)..............................................................................................176
18.12 PERSISTENT RESERVE IN (5E)........................................................................177
18.12.1 Service Action...............................................................................................177
18.12.2 Parameter data for Read Keys ......................................................................178
18.12.3 Parameter Data for Read Reservations.........................................................179
18.13 PERSISTENT RESERVE OUT (5F) ....................................................................180
18.13.1 Service Action...............................................................................................181
18.13.2 Type..............................................................................................................181
18.13.3 Parameter list ................................................................................................182
18.13.4 Summary.......................................................................................................183
18.14 PRE-FETCH (34) ..................................................................................................185
18.15 PRE-FETCH (90) ..................................................................................................186
18.16 READ (6) - (08)....................................................................................................187
18.17 READ (10) - (28)...................................................................................................188
18.18 READ (12) - (A8)..................................................................................................190
18.19 READ (16) - (88)...................................................................................................191
18.20 READ (32) - (7F/09)..............................................................................................192
18.21 READ BUFFER (3C)............................................................................................194
18.21.1 Combined Header And Data (Mode 00000b)...............................................195
18.21.2 Read Data (Mode 00010b)............................................................................195
18.21.3 Descriptor (Mode 00011b)............................................................................196
18.21.4 Read Data from Echo Buffer (Mode 01010b) ..............................................197
18.21.5 Echo Buffer Descriptor (Mode 01011b).......................................................197
18.21.6 Expander Communications and Echo Buffer (Mode 11010b) .....................197
18.22 READ CAPACITY (10) - (25)..............................................................................198
18.23 READ CAPACITY (16) (9E/10)...........................................................................200
18.23.1 Returned Data Format...................................................................................200
18.24 READ DEFECT DATA (37).................................................................................201
18.24.1 Defect List Header........................................................................................203
18.24.2 Defect List Descriptor...................................................................................203
18.24.3 Bytes from Index Format (100b) ..................................................................204

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
18.24.4 Physical Sector Format (101b) .....................................................................204
18.25 READ DEFECT DATA (B7)................................................................................205
18.25.1 Defect List Header........................................................................................205
18.25.2 Defect List Descriptor...................................................................................206
18.25.3 Bytes from Index Format (100b) ..................................................................206
18.25.4 Physical Sector Format (101b) .....................................................................206
18.26 READ LONG (3E) ................................................................................................207
18.27 READ LONG (9E) ................................................................................................208
18.28 REASSIGN BLOCKS (07) ...................................................................................209
18.29 RECEIVE DIAGNOSTICS RESULTS (1C) ........................................................211
18.29.1 Receive Diagnostic Results Page 0...............................................................211
18.29.2 Receive Diagnostic Results Page 40.............................................................212
18.30 RELEASE (17) ......................................................................................................213
18.31 RELEASE (57) ......................................................................................................214
18.32 REPORT DEVICE IDENTIFIER (A3/05)............................................................215
18.33 REPORT LUNS (A0)............................................................................................217
18.34 REPORT SUPPORTED OPERATION CODES (A3/0C)....................................218
18.34.1 All_commands parameter data format..........................................................219
18.34.2 One_command parameter data format..........................................................220
18.34.3 Command timeouts descriptor format ..........................................................222
18.35 REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS (A3/0D).........223
18.36 REQUEST SENSE (03).........................................................................................225
18.37 RESERVE (16)......................................................................................................226
18.38 RESERVE (56)......................................................................................................227
18.39 REZERO UNIT (01)..............................................................................................228
18.40 SANITIZE (48)......................................................................................................229
18.40.1 Sanitize (48) Service Action Codes..............................................................229
18.41 SEND DIAGNOSTIC (1D)...................................................................................232
18.41.1 Send Diagnostic Page 0 ................................................................................234
18.41.2 Send Diagnostic Page 3F..............................................................................234
18.41.3 Send Diagnostic Page 40 ..............................................................................237
18.42 SET DEVICE IDENTIFIER (A4/06)....................................................................239
18.43 START STOP UNIT (1B).....................................................................................240
18.44 SYNCHRONIZE CACHE (10) - (35)...................................................................243
18.45 SYNCHRONIZE CACHE (16) - (91)...................................................................244
18.46 TEST UNIT READY (00).....................................................................................245
18.47 VERIFY (10) - (2F)...............................................................................................246
18.48 VERIFY (12) - (AF) ..............................................................................................249
18.49 VERIFY (16) - (8F)...............................................................................................250
18.50 VERIFY (32) - (7F/0A).........................................................................................251
18.51 WRITE (6) - (0A) ..................................................................................................253
18.52 WRITE (10) - (2A) ................................................................................................254
18.53 WRITE (12) - (AA) ...............................................................................................257
18.54 WRITE (16) - (8A) ................................................................................................258
18.55 WRITE (32) - (7F/0B)...........................................................................................259
18.56 WRITE AND VERIFY (10) - (2E)........................................................................261

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
18.57 WRITE AND VERIFY (12) - (AE).......................................................................262
18.58 WRITE AND VERIFY (16) - (8E)........................................................................263
18.59 WRITE AND VERIFY (32) - (7F/0C)..................................................................264
18.60 WRITE BUFFER (3B) ..........................................................................................265
18.60.1 Combined Header And Data (Mode 00000b)...............................................265
18.60.2 Write Data (Mode 00010b)...........................................................................266
18.60.3 Download Microcode (Mode 00100b) .........................................................266
18.60.4 Download Microcode and Save (Mode 00101b) -Single Binary File ..........267
18.60.5 Download Microcode and Save (Mode 00111b) - Multiple Binary Files....267
18.60.6 Write Data to Echo Buffer (Mode 01010b)..................................................267
18.60.7 Download microcode with offsets, save, and defer activate (Mode 01110b)268
18.60.8 Activate deferred microcode mode (Mode 01111b).....................................268
18.60.9 Enable Expander Communications Protocol (Mode 11010b)......................268
18.61 WRITE LONG (10) (3F)......................................................................................269
18.62 WRITE LONG (16) (9F).......................................................................................271
18.63 WRITE SAME (10) - (41).....................................................................................272
18.64 WRITE SAME (16) - (93).....................................................................................273
18.65 WRITE SAME (32) - (7F/0D)...............................................................................274
19.0 SCSI Status Byte.........................................................................................................277
20.0 Additional information................................................................................................279
20.1 SCSI Protocol ..........................................................................................................279
20.1.1 Priority of SCSI Status Byte Reporting..........................................................279
20.1.2 Invalid LUN Processing..................................................................................279
20.1.3 Overlapped Commands...................................................................................280
20.1.4 Command Processing During Execution of Active I/O Process ....................280
20.1.5 Unit Attention Condition ................................................................................281
20.1.6 Command Processing During Startup and Format Operations.......................283
20.1.7 Internal Error Condition..................................................................................283
20.1.8 Deferred Error Condition................................................................................283
20.1.9 Degraded Mode...............................................................................................284
20.1.10 Command Processing while Reserved..........................................................291
20.2 Priority Commands..................................................................................................291
20.3 Command Queuing..................................................................................................292
20.3.1 Queue Depth ...................................................................................................292
20.3.2 Queue Full Status............................................................................................292
20.3.3 Termination of I/O Processes .........................................................................292
20.4 Command Reordering..............................................................................................292
20.5 Concurrent I/O Process............................................................................................292
20.6 Write Cache .............................................................................................................292
20.7 Automatic Rewrite/Reallocate.................................................................................293
20.8 Segmented Caching .................................................................................................295
20.8.1 Overview.........................................................................................................295
20.8.2 Read Ahead.....................................................................................................295
20.9 Multiple Initiator Systems .......................................................................................295
20.9.1 Sense Data.......................................................................................................295
20.9.2 Mode Pages.....................................................................................................295

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
20.10 Multiple Initiator Environment..............................................................................295
20.10.1 Initiator Sense Data.......................................................................................295
20.10.2 Initiator Mode Select/Mode Sense Parameters.............................................295
20.11 Reset.......................................................................................................................296
20.11.1 Reset Sources................................................................................................296
20.11.2 Reset Actions................................................................................................296
20.12 Diagnostics.............................................................................................................296
20.12.1 Power on Diagnostics ...................................................................................296
20.12.2 Self-test via SEND DIAGNOSTIC Command.............................................297
20.13 Idle Time Function.................................................................................................300
20.14 Command Time out Limits ...................................................................................300
20.14.1 Reassignment Time.......................................................................................300
20.14.2 Format Time .................................................................................................300
20.14.3 Start/Stop Unit Time.....................................................................................300
20.14.4 Medium Access Command Time .................................................................301
20.14.5 Time-out Limits for Other Commands.........................................................301
20.15 Recommended Initiator ERP .................................................................................302
20.15.1 Drive Service Strategy..................................................................................302
20.15.2 Recommendations for System Error Log .....................................................303
20.15.3 Data Recovery Procedure .............................................................................303
20.15.4 Nondata Error Recovery Procedure..............................................................305
21.0 TCG SSC ......................................................................................................................313
21.1 Referenced Specifications and Standards................................................................313
21.1.1 TCG Specifications........................................................................................313
21.1.2 Federal Information Processing Standards (FIPS).........................................313
21.1.3 National Institute of Standards (NIST)..........................................................313
21.1.4 Department of Defense..................................................................................313
21.1.5 RSA Laboratories Standards..........................................................................314
21.1.6 Other Standards..............................................................................................314
21.2 Implementation Exceptions .....................................................................................314
21.3 Implementation Features and Details Outside of TCG Specifications....................314
21.4 Encryption Algorithms ...........................................................................................315
21.4.1 Advanced Encryption Standard (AES) Support ............................................315
21.4.2 Level 0 Discovery Vendor Specific Data ......................................................315
21.4.3 Pseudo Random Number Generation (PRNG)..............................................316
21.4.4 Key Wrapping................................................................................................316
21.4.5 Key Erasure....................................................................................................316
21.5 -TCG SSC Tables ....................................................................................................316
21.5.1 Admin SP C_PIN Table and Locking SP C_PIN Table................................317
21.5.2 K_AES_256 Table.........................................................................................317
21.5.3 Locking SP AccessControl Table..................................................................317
21.5.4 Locking Info Table ........................................................................................318
21.5.5 Locking SP Locking Table ............................................................................318
21.6 Firmware Download and Signing............................................................................319
21.7 Ports .........................................................................................................................319
21.8 MSID ......................................................................................................................322

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
21.9 Logging....................................................................................................................322
21.10 Number of Sessions ...............................................................................................322
21.11 Number of Bands...................................................................................................322
21.12 Number of COMIDs..............................................................................................322
21.13 Locked and Unlocked Behavior ...........................................................................322
21.13.1 T10 SCSI commands ...................................................................................322
21.13.2 TCG SSC Commands..................................................................................324
21.14 Error Codes...........................................................................................................326
21.15 Customer Specific Requirements..........................................................................326
22.0 SCSI Sense Data...........................................................................................................327
22.1 SCSI Sense Data Format Introduction.....................................................................327
22.1.1 Sense Data Format..........................................................................................327
22.1.2 Sense Data Length ..........................................................................................327
22.1.3 Sense Data Response Code.............................................................................327
22.2 Fixed Format Sense Data.........................................................................................328
22.2.1 Valid (Bit 7 of byte 0).....................................................................................328
22.2.2 Response Code (Bit 6 - 0 of byte 0)................................................................328
22.2.3 ILI: Incorrect Length Indicator (Bit 5 of byte 2) ............................................329
22.2.4 Sense Key (Bit 3 - 0 of byte 2) .......................................................................329
22.2.5 Information Bytes (Byte 3 through 6).............................................................330
22.2.6 Additional Sense Length (Byte 7) ..................................................................330
22.2.7 Command Specific Information (Byte 8 through 11).....................................330
22.2.8 Additional Sense Code/Qualifier (Byte 12 and 13)........................................330
22.2.9 FRU: Field Replaceable Unit (Byte 14) .........................................................365
22.2.10 Sense Key Specific (Byte 15 through 17).....................................................365
22.2.11 Reserved (Byte 18 through 19).....................................................................368
22.2.12 Vendor unique error information (Byte 20 through 23) ...............................368
22.2.13 Physical Error Record (Product Specific Information) (Byte 24 thru 29)...368
22.3 Descriptor Format Sense Data.................................................................................369
22.3.1 Order of Sense Descriptors.............................................................................370
22.3.2 Sense Data Descriptor Definitions..................................................................370
23.0 Appendix. UEC list......................................................................................................375

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
List of Tables
Table 1.Product ID table............................................................................................1
Table 2.Formatted Capacity.......................................................................................7
Table 3.Data Sheet.....................................................................................................7
Table 4.Product ID in Inquiry Command..................................................................8
Table 5.Block assignment of World Wide ID in INQUIRY Command....................8
Table 6.Mechanical positioning performance ...........................................................9
Table 7.Full stroke seek time.....................................................................................10
Table 8.Latency time .................................................................................................10
Table 9.Drive ready time ...........................................................................................10
Table 10.Data transfer speed (sector size 512 Byte case)..........................................11
Table 11.29-pin Connector Signal Definition............................................................17
Table 12.Operating and non-operating conditions ....................................................19
Table 13.Maximum allowable surface temperatures.................................................21
Table 14.Input Voltage and capacitance....................................................................23
Table 15.Power Supply Generated Ripple at Drive Power Connector......................25
Table 16.Power Consumption Efficiency Index........................................................26
Table 17.Physical Dimensions...................................................................................31
Table 18.Random vibration PSD profile break points (operating)............................35
Table 19.Random vibration (Rotational) PSD profile break points (TBD)...............35
Table 20.Random vibration PSD profile break points (non operating).....................36
Table 21. Sinusoidal shock wave...............................................................................37
Table 22. Sinusoidal shock wave...............................................................................37
Table 23.Sound power levels.....................................................................................39
Table 24.Names and identifiers .................................................................................48
Table 25.IEEE Registered Name format ...................................................................49
Table 26.Supported Settings Bit Priorities ................................................................52
Table 27.Address Frame Format ...............................................................................53
Table 28.Frame type:.................................................................................................54
Table 29.Identify Address Frame ..............................................................................54
Table 30.Reason field ................................................................................................55
Table 31.SAS Frame Format .....................................................................................58
Table 32.COMMAND Information Unit...................................................................59
Table 33.TASK Information Unit..............................................................................60
Table 34.Additional Response Information argument for Query Async Event.........61
Table 35.UADE DEPTH field...................................................................................61
Table 36.XFER_RDY Information Unit ...................................................................62
Table 37.DATA Information Unit.............................................................................62
Table 38.Response Information Unit.........................................................................62
Table 39.RESPONSE DATA ....................................................................................64
Table 40.SCSI Commands Supported .......................................................................67
Table 41.SCSI Control Byte......................................................................................69
Table 42.FORMAT UNIT (04) .................................................................................70
Table 43.Format of the Short Parameter List Header................................................72

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table 44.Format of the Long Parameter List Header................................................72
Table 45.Initialization Pattern Descriptor:.................................................................74
Table 46.Defect Descriptor - Block Format (for n + 1 defects) ................................75
Table 47.Defect Descriptor - Bytes From Index Format (for n = 1 defects).............76
Table 48.Defect Descriptor - Physical Sector Format (for n + 1 defects).................77
Table 49.INQUIRY (12)............................................................................................78
Table 50.Page Code descriptions...............................................................................78
Table 51.Inquiry Data- EVPD = 0.............................................................................79
Table 52.Inquiry Data - EVPD = 1 (Page Code = 00h).............................................80
Table 53.Inquiry Data - EVPD = 1 (Page Code = 03h).............................................82
Table 54.Inquiry Data - EVPD = 1 (Page Code = 80h).............................................84
Table 55.Inquiry Data Format - EVPD = 1, (Page Code - 83h) ................................85
Table 56.Inquiry Data Format - EVPD = 1, (Page Code - 86h) ................................87
Table 57.Inquiry Data Format - EVPD = 1, (Page Code - 87h) ................................88
Table 58.Inquiry Data Format - EVPD = 1, (Page Code - 88h) ................................89
Table 59.Inquiry Data Format - EVPD = 1, (Page Code - 8Ah) ...............................91
Table 60.Inquiry Data - EVPD = 1 (Page Code = 90h).............................................92
Table 61.Protocol-specific logical unit information descriptor.................................92
Table 62.Inquiry Data - EVPD = 1 (Page Code = B0h)............................................93
Table 63.Inquiry Data - EVPD = 1 (Page Code = B1h)............................................94
Table 64.Inquiry Data - EVPD = 1 (Page Code = B2h)............................................95
Table 65.Inquiry Data - EVPD = 1 (Page Code = D1h)............................................96
Table 66.Inquiry Data - EVPD = 1 (Page Code = D2h)............................................97
Table 67.Log Select (4C)...........................................................................................98
Table 68.Log Sense (4D)...........................................................................................101
Table 69.Log Sense Page 0........................................................................................103
Table 70.Log Sense Page 2 (part 1 of 2)....................................................................104
Table 71.Log Sense Page 2 (part 2 of 2)....................................................................104
Table 72.Log Sense Page 3 (part 1 of 2)....................................................................106
Table 73.Log Sense Page 3 (part 2 of 2)....................................................................106
Table 74.Log Sense Page 5 (part 1 of 2)....................................................................108
Table 75.Log Sense Page 5 (part 2 of 2)....................................................................109
Table 76.Log Sense Page 6........................................................................................110
Table 77.Log Sense Page D.......................................................................................111
Table 78.Log Sense Page E .......................................................................................112
Table 79.Log Sense Page F........................................................................................114
Table 80.Log Sense Page F, Application Client Log ................................................114
Table 81.Log Sense Page 10......................................................................................115
Table 82.Log Sense Page 10, self-test results............................................................115
Table 83.Log Sense Page 10, self-test results............................................................116
Table 84.Log Sense Page 10, Extended Segment Number........................................117
Table 85.Log Sense Page 15......................................................................................118
Table 86.Log Sense Page 18......................................................................................121
Table 87.SAS Log Descriptor....................................................................................121
Table 88. ....................................................................................................................Log Sense
Page 19h - General Statistics and Performance.....................................................................124

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table 89.Time Interval Descriptor.............................................................................126
Table 90.Log Sense Page 1A.....................................................................................127
Table 91. Log Sense Page 2F.....................................................................................128
Table 92.Log Sense Page 30......................................................................................129
Table 93.Log Sense Page 37......................................................................................132
Table 94.Mode Select (15).........................................................................................134
Table 95.Mode Select (55).........................................................................................135
Table 96.Mode Sense (1A)........................................................................................136
Table 97.Page Code Usage........................................................................................137
Table 98.Mode parameter header (6).........................................................................137
Table 99.Mode parameter header (10).......................................................................138
Table 100.Short LBA Mode Parameter Block Descriptor.........................................139
Table 101.Long LBA Mode Parameter Block Descriptor.........................................139
Table 102.Mode Parameter Page Format ..................................................................140
Table 103.Mode Parameter Page Format ..................................................................140
Table 104.Vendor Unique Parameters - Page 00.......................................................141
Table 105.Mode Page 01 (Vendor Unique Parameters)............................................143
Table 106.Mode Page 02 (Disconnect/Reconnect Parameters).................................148
Table 107.Mode Page 03 (Format Device Parameters).............................................150
Table 108.Mode Page 04 (Rigid Disk Drive Geometry Parameters) ........................152
Table 109.Mode Page 07 (Verify Error Recovery Parameters).................................153
Table 110.Page 08 (Caching Parameters)..................................................................154
Table 111.Page 0A (Control Mode Page Parameters)...............................................156
Table 112.Control Extension Subpage 01h ...............................................................158
Table 113.Application Tag mode page:.....................................................................158
Table 114.Application Tag descriptor format............................................................159
Table 115.Page 0C (Notch Parameters).....................................................................160
Table 116.Page 18h (Protocol-Specific Logical Unit mode page)............................161
Table 117.Short (Port Control Parameters) Short Format........................................162
Table 118.Long Format of Port Control Page ...........................................................163
Table 119.PHY Control and Discover (Subpage 1) ..................................................165
Table 120.SAS PHY Mode Descriptor .....................................................................166
Table 121.Shared Port Control (Subpage 2).............................................................167
Table 122.Subpage 3..................................................................................................168
Table 123.PHY Mode Descriptor (0 and 1)...............................................................168
Table 124.Page 1A (Power Control)..........................................................................169
Table 125.PM_BG_PRECEDENCE field.................................................................171
Table 126.Page 1C (Informational Exceptions Control) ...........................................173
Table 127.Background Control (Subpage 01h).........................................................175
Table 128.Mode Sense (5A)......................................................................................176
Table 129.Persistent Reserve In (5E) ........................................................................177
Table 130.PERSISTENT RESERVE IN, Service Action Codes..............................177
Table 131.PERSISTENT RESERVE IN, parameter data for Read Keys .................178
Table 132.PERSISTENT RESERVE IN, parameter data for Read Reservations.....179
Table 133.PERSISTENT RESERVE IN, Read Reservation Descriptor...................179
Table 134.PERSISTENT RESERVE OUT (5F).......................................................180

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table 135.PERSISTENT RESERVE OUT, Service Action Code............................181
Table 136.PERSISTENT RESERVE OUT, Type Code ...........................................181
Table 137.Parameter List...........................................................................................182
Table 138.PERSISTENT RESERVE OUT, Service Action, Parameters .................183
Table 139.APTPL and information held by a drive...................................................184
Table 140.PRE-FETCH (34) .....................................................................................185
Table 141.PRE-FETCH (34) .....................................................................................186
Table 142.READ (6) - (08)........................................................................................187
Table 143.READ (10) - (28) .....................................................................................188
Table 144.Read (12) - (A8)........................................................................................190
Table 145.READ (16) - (88)......................................................................................191
Table 146.READ (32) - (7F/09) ................................................................................192
Table 147.READ BUFFER (3C)...............................................................................194
Table 148.Read Buffer Header..................................................................................195
Table 149.Read Buffer Description...........................................................................196
Table 150.Echo Buffer Descriptor.............................................................................197
Table 151.READ CAPACITY (10) - (25).................................................................198
Table 152.Format of READ CAPACITY command reply........................................199
Table 153.Read Capacity (16) (9E/10)......................................................................200
Table 154.Returned Data Format...............................................................................200
Table 155.READ DEFECT DATA (37)....................................................................201
Table 156.Defect List Format....................................................................................202
Table 157.Defect List Header....................................................................................203
Table 158.Defect List Descriptor...............................................................................203
Table 159.Defect Descriptors of Bytes from Index Format ......................................204
Table 160.Defect Descriptors of Physical Sector Format..........................................204
Table 161.READ DEFECT DATA (B7)...................................................................205
Table 162.Defect List Header....................................................................................205
Table 163.Defect List Descriptor...............................................................................206
Table 164.Defect Descriptors of Bytes from Index Format ......................................206
Table 165.Defect Descriptors of Physical Sector Format..........................................206
Table 166.READ LONG (3E) ...................................................................................207
Table 167.READ LONG (9E) ...................................................................................208
Table 168.REASSIGN BLOCKS (07) ......................................................................209
Table 169.Format of Reassign Blocks Parameter List data.......................................210
Table 170.RECEIVE DIAGNOSTIC RESULTS (1C) .............................................211
Table 171.Receive Diagnostic Results page 0...........................................................211
Table 172.Receive Diagnostic Results Page 40.........................................................212
Table 173.Translated address ....................................................................................212
Table 174.RELEASE (17).........................................................................................213
Table 175.RELEASE (57).........................................................................................214
Table 176.REPORT DEVICE IDENTIFIER (A3/05)...............................................215
Table 177.Report Device Identifier parameter list ....................................................216
Table 178.REPORT LUNS (A0)...............................................................................217
Table 179.LUN Reporting parameter list format.......................................................217
Table 180.REPORT SUPPORTED OPERATION CODES (A3/0C).......................218

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table 181.Reporting Options.....................................................................................218
Table 182.All_command parameter data format.......................................................219
Table 183.Command Descriptor format....................................................................219
Table 184. One_command parameter data format.....................................................220
Table 185.One_command parameter support field....................................................221
Table 186.Command timeouts descriptor format .....................................................222
Table 187.Command timeouts descriptor Command Specific Field usage .............222
Table 188.Report Supported Task Management Functions (A3/0D)........................223
Table 189.REQUEST SENSE (03) ...........................................................................225
Table 190.Sense Data Format and Length ................................................................225
Table 191.RESERVE (16).........................................................................................226
Table 192.RESERVE (56).........................................................................................227
Table 193.REZERO UNIT (01).................................................................................228
Table 194. SANITIZE (48)........................................................................................229
Table 195. SANITIZE Service Action Codes ...........................................................230
Table 196.Parameter List Format for Overwrite Service Action...............................230
Table 197.SEND DIAGNOSTIC (1D)......................................................................232
Table 198.SEND DIAGNOSTIC Function Code (1D) .............................................233
Table 199.Diagnostic Page 0 .....................................................................................234
Table 200.Diagnostic Page 3F...................................................................................234
Table 201.Diagnostic Page 40 ...................................................................................237
Table 202.Address to translate...................................................................................238
Table 203.SET DEVICE IDENTIFIER (A4/06).......................................................239
Table 204.SET DEVICE IDENTIFIER, Parameter List...........................................239
Table 205.START STOP UNIT (1B)........................................................................240
Table 206.Power Conditions: ....................................................................................241
Table 207.SYNCHRONIZE CACHE (10) - (35).....................................................243
Table 208.Synchronize Cache (16) - (91)..................................................................244
Table 209.TEST UNIT READY (00)........................................................................245
Table 210.VERIFY (10) - (2F)..................................................................................246
Table 211.Verify (12) - (AF).....................................................................................249
Table 212.Verify (16) - (8F)......................................................................................250
Table 213.Verify (32) - 7F/0A) .................................................................................251
Table 214.WRITE (6) - (0A).....................................................................................253
Table 215.WRITE (10) - (2A)...................................................................................254
Table 216.Write (12) - (AA)......................................................................................257
Table 217.Write (16) - (8A).......................................................................................258
Table 218.Write (32) - (7F/0B)..................................................................................259
Table 219.WRITE AND VERIFY (10) - (2E) ..........................................................261
Table 220.Write and Verify (12) - (AE)....................................................................262
Table 221.Write and Verify (16) - (8E).....................................................................263
Table 222.Write and Verify (32) - (7F/0C) ...............................................................264
Table 223.WRITE BUFFER (3B) .............................................................................265
Table 224.Write Buffer Header .................................................................................266
Table 225.WRITE LONG (3F)..................................................................................269
Table 226.WRITE LONG (9F)..................................................................................271

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
Table 227.WRITE SAME (41)..................................................................................272
Table 228.Write Same (16) - (93)..............................................................................273
Table 229.Write Same (32) - (7F/0D) .......................................................................274
Table 230.SCSI Status Byte. Format of the SCSI STATUS byte. ...........................277
Table 231.Spindle Motor Degraded Mode - Disable Auto Start...............................285
Table 232.Spindle Motor Degraded Mode - Auto Start Delay/Spinning Up ............286
Table 233.Spindle Motor Degraded Mode - Spindle Start Failure............................287
Table 234.Spindle Motor Degraded Mode - Spindle Stopped by Command............288
Table 235.Self Configuration Failure Degraded Mode ............................................289
Table 236.Format Command Failure Degraded Mode..............................................290
Table 237.Sense data combinations with auto/recommend rewrite/reallocate..........294
Table 238.Short and Extended Self-Test Description ...............................................299
Table 239.Recommend Reassign Errors....................................................................304
Table 240.Log Only Errors........................................................................................304
Table 241.Persistent Reserve In (5E) ........................................................................315
Table 242.HGST Implementation of Admin SP_CPIN & Locking C_PIN..............317
Table 243.HGST Implementation of K_AES_256 Table..........................................317
Table 244.HGST Implementation of Locking SP Access Control Table..................318
Table 245.HGST Implementation of Locking Info Table.........................................318
Table 246.HGST Implementation of Locking SP Locking Table.............................318
Table 247.Ports Functionality....................................................................................320
Table 248.Ports Table................................................................................................320
Table 249.Modified Admin SP ACE Table...............................................................320
Table 250.Modified Admin SP AccessControl Table ...............................................321
Table 251.T10 SCSI Commands Behavior Table .....................................................323
Table 252.TCG Enterprise SSC Commands Behavior ............................................325
Table 253.Sense data response codes. .......................................................................327
Table 254.Fixed Format of Sense Data. ....................................................................328
Table 255.Field Pointer Bytes ...................................................................................365
Table 256.Actual Retry Count...................................................................................366
Table 257.Progress Indication ...................................................................................367
Table 258.Descriptor Format Sense Data..................................................................369
Table 259.Sense Data Descriptor Format..................................................................369
Table 260.Supported Descriptor Types .....................................................................369
Table 261. ..................................................................................................................Sense Data
Descriptor List ......................................................................................................................370
Table 262. ..................................................................................................................Information
Sense Data Descriptor Format...............................................................................................370
Table 263.Command-specific Sense Data Descriptor Format...................................371
Table 264.Information Sense Data Descriptor Format..............................................371
Table 265.Field Replaceable Unit Sense Data Descriptor Format............................372
Table 266.Block Command Sense Data Descriptor Format......................................372
Table 267.Vendor Unique Unit Error Code Sense Data Descriptor..........................373
Table 268.Vendor Unique Physical Error Record Sense Data Descriptor ................373
Table 269.Unit Error Codes.......................................................................................375

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
1
1.0 General
1.1 Introduction
This document describes the specifications of the following HGST 3.5 inch SAS drives.
Table 1: Product ID table
Note: The specifications in this document are subject to change without notice.
For technical and ordering information, please visit our website at http://www.hgst.com.
Drive Name Model Name Type Capacity Encryption
Enabled
Ultrastar 7K4000-4000 HUS724040ALS640 DK7SSD400 4TB No
Ultrastar 7K4000-4000 HUS724040ALS641 DK7SSD400 4TB Yes
Ultrastar 7K4000-3000 HUS724030ALS640 DK7SSD300 3TB No
Ultrastar 7K4000-3000 HUS724030ALS641 DK7SSD300 3TB Yes
Ultrastar 7K4000-2000 HUS724020ALS640 DK7SSD200 2TB No
Ultrastar 7K4000-2000 HUS724020ALS641 DK7SSD200 2TB Yes

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
2
1.2 Glossary
Word Meaning
ESD Electrostatic Discharge
Kbpi 1,000 bits per inch
Ktpi 1,000 tracks per inch
Gbps 1,000,000,000 bits per second
Mbps 1,000,000 bits per second
MB/s 1,000,000 bytes per second
TB 1,000,000,000,000 bytes (for Drive Capacity)
GB 1,000,000,000 bytes (for Drive Capacity)
MB 1,048,576 bytes (for Memory Size)
KB 1,024 bytes (for Memory Size)
S.M.A.R.T. Self-Monitoring Analysis and Reporting Technology
DFT Drive Fitness Test
ADM Automatic Drive Maintenance
1.3 Caution
The drive can be damaged by shock or ESD (Electrostatic Discharge). Any damage sustained by the drive after removal from
the shipping package and opening the ESD protective bag are the responsibility of the user.
1.4 References
• SAS Compliance
– "Serial Attached SCSI - 2 (SAS-2)"
• SAS Protocol
– This drive supports Serial SCSI Protocol (SSP).
– STP (Tunneled SATA) and SMP (Management protocol) protocols are NOT supported.

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
3
2.0 Outline of the Drive
• Data capacities of 4TB/3TB/2TB
• Spindle speeds of 7200 RPM
• Fluid Dynamic Bearing motor
• Dual Stage Actuator
• SAS Interface 6/3/1.5Gbps
• Supports dual-ported operations
• Supports full duplex operations
• Variable sector size (512 - 528 bytes in multiples of eight)
• Closed-loop actuator servo
• Load/Unload mechanism, non head disk contact start/stop
• Automatic Actuator lock
• Seek time of 8.2 ms typical (without Command Overhead
• Sector Buffer size of 64MB
(Upper 15MB is used for firmware, this is typical value, it depends on firmware revision)
• Write Cache
• Back to back write
• On The Fly Data correction
• Automatic defect reallocation
• Self diagnostics at power on
• Power saving modes (T10)
• S.M.A.R.T. (Self Monitoring and Analysis Reporting Technology)
• 64 bit addressing feature
• Adaptive zone formatting
• RVS (Rotational Vibration Safeguard)
• SAS-2 compliant
• ANSI T10 Protection Information (End-to-End)
• Support TCG Enterprise_A SSC Encryption (specific model only)

HGST Ultrastar 7K4000 (SAS) Hard Disk Drive Specification
4