Seagate, Seagate Technology, the Seagate logo, U8 and the U8 logo are either registered trademarks or trademarks of Seagate Technology, Inc. All other trademarks or
registered trademarks are the property of their respective owners. Specifications and product offerings subject to change without notice. ©1999 Seagate Technology, Inc.
All rights reserved. Printed in USA. (CS1264) Publication Number 1512-003 12/99 Printed on recycled paper.
CORPORATE HEADQUARTERS Seagate Technology 920 Disc Drive, Scotts Valley, California, 95066, UNITED STATES 831-438-6550
ASIA/PACIFIC Seagate Technology International Ltd. 151 Lorong Chuan, New Tech Park #06-01, SINGAPORE 556741, 65-488-7200
EUROPE AND AFRICA Seagate Technology SA 62 bis, avenue André Morizet, 92643 Boulogne-Billancourt Cedex, FRANCE 33 1-41 86 10 00
CAPACITY AND INTERFACE
Formatted Gbytes (512 bytes/sector)
Interface
PERFORMANCE
Maximum Internal Transfer Rate (Mbits/sec)
Maximum External Transfer Rate (Mbytes/sec)
Average Sustained Transfer Rate (Mbytes/sec)
Multisegmented Cache (Kbytes)
Average Seek (msec)
Average Latency (msec)
Spindle Speed (RPM)
CONFIGURATION/ORGANIZATION
Discs/Heads
Bytes per Sector
Logical CHS
Recording Method
RELIABILITY/DATA INTEGRITY
Contact Start-Stops
SeaShield
S.M.A.R.T. Capable
Nonrecoverable Read Errors per Bits Read
Service Life/Limited Warranty (years)
POWER REQUIREMENTS
+12 VDC ± 10% (amps max)
+5 VDC ± 5% (amps max)
Power Management (watts) Seek
Read/Write
Idle
Standby
ENVIRONMENTAL
Operating Temperature (°C)
Nonoperating Temperature (°C)
Operating Shock @ 2 msec (Gs)
Nonoperating Shock @ 2 msec (Gs)
Acoustics, Idle (bels—sound power)
PHYSICAL
Height (in/mm)
Width (in/mm)
Depth (in/mm)
Weight (lb/g)
Capacity calculated as 1 Gbyte = 109bytes
U8™Family
ST38410AST34313A
U8 Family
ST317221AST313021A
U8 Family U8 Family
3.5 INCH DISC DRIVE
4.3
Ultra ATA/66
286
66.6
>8.5
256
8.9
5.56
5,400
1/1
512
8,944/15/63
EPRML (24/26)
50,000
Yes
Yes
10 per 1013
5/3
1.5
0.5
7.0
6.5
3.5
0.7
0 to 60
–40 to 70
63
350
3.2
1/26.1
4/101.85
5.75/147.0
1.2/544
8.4
Ultra ATA/66
286
66.6
>8.5
512
8.9
5.56
5,400
1/2
512
16,368/16/63
EPRML (24/26)
50,000
Yes
Yes
10 per 1013
5/3
1.5
0.5
7.0
6.5
3.5
0.8
0 to 60
–40 to 70
63
350
3.2
1/26.1
4/102.0
5.75/147.0
1.2/544
13.0
Ultra ATA/66
286
66.6
>8.5
512
8.9
5.56
5,400
2/3
512
16,368/16/63
EPRML (24/26)
50,000
Yes
Yes
10 per 1013
5/3
1.5
0.5
7.0
6.5
3.5
0.8
0 to 60
–40 to 70
63
350
3.2
1/26.1
4/102.0
5.75/147.0
1.2/544
17.2
Ultra ATA/66
286
66.6
>8.5
512
8.9
5.56
5,400
2/4
512
16,368/16/63
EPRML (24/26)
50,000
Yes
Yes
10 per 1013
5/3
1.5
0.5
7.0
6.5
3.5
0.8
0 to 60
–40 to 70
63
350
3.2
1/26.1
4/102.0
5.75/147.0
1.2/544
> NONOPERATING SHOCK OF 350 GS AT 2 MSEC SETS THE STANDARD FOR RUGGEDNESS.
> ULTRA ATA/66
> 5,400 RPM
> G-FORCE PROTECTION PROVIDES RELIABILITY AND ROBUSTNESS.
> SHIPS WITH SOFT SEASHIELD COVER
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