Specifications
Momentus 5400 Drives
Momentus 7200 Drives
500GB
1
320GB
1
250GB
1
750GB
1
500GB
1
250GB
1
Feature Options
Standard Models
ST9500325AS
ST9320325AS
ST9250315AS
ST9750420AS
3
ST9500423AS
3
ST9250410AS
Free-Fall Sensor Models
ST9500325ASG
2
Interface
SATA 3Gb/s NCQ
SATA 3Gb/s NCQ
SATA 3Gb/s NCQ
SATA 3Gb/s NCQ
SATA 3Gb/s NCQ
SATA 3Gb/s NCQ
Cache (MB)
8
8
8
16
16
16
Configuration
Bytes per Sector
512
512
512
4096
3
4096
3
512
4096
3
Reliability/Data Integrity
Head-Rest Method
Quiet Step
Ramp Load
Quiet Step
Ramp Load
Quiet Step
Ramp Load
Quiet Step
Ramp Load
Quiet Step
Ramp Load
Quiet Step
Ramp Load
Load/Unload Cycles
>600,000
>600,000
>600,000
>600,000
>600,000
>600,000
Nonrecoverable Read Errors
per Bits Read
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
Annualized Failure Rate (AFR)
0.48%
0.48%
0.48%
0.48%
0.48%
0.48%
Power Management
Power (W)
Seek, Typical
Idle, Typical
1.54
0.81
1.54
0.81
1.54
0.81
1.5
0.7
1.5
0.7
1.55
0.67
Environmental
Temperature (°C)
Operating
Nonoperating
0 to 60
−40 to 70
0 to 60
−40 to 70
0 to 60
−40 to 70
0 to 60
−40 to 70
0 to 60
−40 to 70
0 to 60
−40 to 70
Shock (Gs)
Operating: 2ms
Nonoperating: 1ms
350
1000
350
1000
350
1000
350
1000
350
1000
350
1000
Acoustics (bels—sound power)
Idle, Typical
Seek, Typical
2.4
2.6
2.4
2.6
2.4
2.6
2.3
2.5
2.3
2.5
2.3
2.5
Physical
Height
(in/mm)
0.374/9.5
0.374/9.5
0.374/9.5
0.374/9.5
0.374/9.5
0.374/9.5
Width
(in/mm)
2.75/69.85
2.75/69.85
2.75/69.85
2.75/69.85
2.75/69.85
2.75/69.85
Depth
(in/mm)
3.951/100.35
3.951/100.35
3.951/100.35
3.951/100.35
3.951/100.35
3.951/100.35
Weight (lb/g)
0.218/98.8
0.218/98.8
0.206/93.5
0.254/115
0.238/110
0.227/105
Carton Unit Quantity
50
50
50
50
50
50
Cartons per Pallet
60
60
60
60
60
60
Cartons per Layer
10
10
10
10
10
10
www.seagate.com
AMERICAS
Seagate Technology LLC 10200 South De Anza Boulevard, Cupertino, California 95014, United States, 408-658-1000
ASIA/PACIFIC
Seagate Singapore International Headquarters Pte. Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888
EUROPE, MIDDLE EAST AND AFRICA
Seagate Technology SAS 16–18, rue du Dôme, 92100 Boulogne-Billancourt, France, 33 1-4186 10 00
© 2013 Seagate Technology LLC. All rights reserved. Printed in USA. Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other
countries. G-Force Protection, Momentus, Seagate Secure, SmartAlign and the Think Green logo are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies
in the United States and/ or other countries. The FIPS logo is a certification mark of NIST, which does not imply product endorsement by NIST, the U.S., or Canadian governments. All other trademarks
or registered trademarks are the property of their respective owners. When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your
computer’s operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not
be available for data storage. Actual data rates may vary depending on operating environment and other factors. The export or re-export of hardware or software containing encryption may be regulated by
the U.S. Department of Commerce, Bureau of Industry and Security (for more information, visit www.bis.doc.gov). Seagate reserves the right to change, without notice, product offerings or specifications.
DS1701.8-1303US, March 2013
1 One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to drive capacity.
2 Drive with G-Force Protection
™
feature
3 Advanced Format (4K) drive with SmartAlign
™
technology resolves misalignment conditions.
Momentus
®
