Momentus 5400.2 120-Gbyte Family
2.5-inch storage for mainstream notebook PCs
© 2005 Seagate Technology LLC. All rights reserved. Printed in USA. Seagate and Seagate Technology are registered trademarks of Seagate Technology LLC. Momentus,
QuietStep and the Wave logo are trademarks of Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners. Seagate reserves the
right to change, without notice, product offerings or specifications. Publication Number: DS-1579-001, April 2005
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ASIA/PACIFIC Seagate Technology International Ltd. 151 Lorong Chuan, New Tech Park #06-01, Singapore 556741, 65-6488-7200
EUROPE, MIDDLE EAST AND AFRICA Seagate Technology SAS 130-136, rue de Silly, 92773 Boulogne-Billancourt Cedex, France, 33 1-41 86 10 00
Model Number
Interface (Mbytes/sec)
Performance
Transfer Rate
Sustained Internal (Mbytes/sec)
Maximum External (Mbytes/sec)
Cache, Multisegmented (Mbytes)
Average Seek (msec)
Average Latency (msec)
Performance Level
Configuration/Organization
Discs/Heads
Bytes per Sector
Logical CHS
Recording Method
Reliability/Data integrity
Head-Rest Method
Load/Unload Cycles
Nonrecoverable Read Errors
per Bits Read
Power Management
Startup Current 5v (amps max)
PATA
SATA
Power Mgmt (watts)
Seek PATA
SATA
Read/Write PATA
SATA
Idle/Standby PATA
SATA
Environmental
Temperature, Operating (°C)
Temperature, Nonoperating (°C)
Shock, Operating: 2 msec (Gs)
Shock, Nonoperating: 1 msec (Gs)
Acoustics (bels—sound power)
Idle
Performance Seek
Physical
Height (in/mm)
Width (in/mm)
Depth (in/mm)
PATA
SATA
Weight (lb/g)
1Capacity calculated as 1 Gbyte = 109bytes
120 GB1
Specifications
ST9120821A
ST9120821AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
2/4
512
16,383/16/63
RLL 0, 11
QuietStepTM
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
100 GB1
ST9100824A
ST9100824AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
2/4
512
16,383/16/63
RLL 0, 11
QuietStep
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
80 GB1
ST98823A
ST98823AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
2/3
512
16,383/16/63
RLL 0, 11
QuietStep
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
60 GB1
ST96812A
ST96812AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
1/2
512
16,383/16/63
RLL 0, 11
QuietStep
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
40 GB1
ST94813A
ST94813AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
1/2
512
16,383/16/63
RLL 0, 11
QuietStep
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
30 GB1
ST93811A
ST93811AS
Ultra ATA/100
SATA/150 NCQ
42
100/150
8
12.5
5.6
5400
1/1
512
16,383/16/63
RLL 0, 11
QuietStep
Ramp Load
600,000
1 per 1014
bits read
1.0
1.1
2.0
2.2
1.8/1.8
1.9/2.3
.80/.26
.80/.28
5 to 55
–40 to 70
250
900
2.4
2.9
.374/9.5
2.75/69.85
3.945/100.2
3.957/100.5
.22/100
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Native Serial ATA Interface With
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combined with NCQ for high performance
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gathering by resorting and queuing
commands.
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