Seagate ST250LT007 データシート

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Seagate clearly demonstrates how to help differentiate, increase 
profitability and meet market demand for slim computing.
•  The 2.5-inch form factor enables compromise-free, cost-
effective and reliable storage for slim, entry-level laptops, 
high-end netbooks, ultraportables and CE devices.
•  Seagate
®
 Momentus
®
 Thin drives come in 320, 250 and 
160GB capacities, to provide the right capacity points for full-
functioning computing devices. For performance enthusiasts, 
check out the 7200-RPM Momentus Thin drive.
•  Users now have 16MB of cache on both the mainstream 
5400-RPM and the high-performance 7200-RPM options.
•  Seagate Self-Encrypting Drives (SED) deliver government-
grade encryption without performance degredation – 
protecting your data where it lives.
•  The Momentus Thin SED is the first Trusted Computing  
Group Opal specification drive to achieve FIPS 140-2,  
Level-2 certification by the U.S. and Canadian governments.  
www.seagate.com
1 One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to drive capacity.
2 Advanced Format 4K sector drive with SmartAlign™ technology resolves misalignment conditions. 
The World’s First 7mm, 2.5-Inch Form Factor Drive
Momentus
®
 Thin
 
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
© 2011 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. 
Momentus, QuietStep, 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. 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. 
DS1702.6-1108US, August 2011
Specifications
Momentus 5400 Drives
Momentus 7200 Drives
320GB
1
250GB
1
160GB
1
320GB
1
250GB
1
160GB
1
Feature Options
Standard Models
ST320LT020
ST250LT003
ST160LT003
ST320LT007
ST250LT007
ST160LT007
Self-Encrypting Drive Models
1
1
1
ST320LT014
ST250LT014
1
Self-Encrypting Drive FIPS 
140-2 Validated
ST320LT009
ST250LT009
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)
16
16
16
16
16
16
Configuration
Bytes per Sector
4096
2
4096
2
4096
2
4096
2
4096
2
4096
2
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
 
1.4 
0.48
 
1.4 
0.48
 
1.4 
0.48
 
1.6 
0.66
 
1.6 
0.66
 
1.6 
0.66
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
 
2.0
2.2
 
2.0
2.2
 
2.0
2.2
 
2.3
2.5
 
2.3
2.5
  
2.3
2.5
Physical
Height (in/mm)
0.276/7.0
0.276/7.0
0.276/7.0
0.276/7.0
0.276/7.0
0.276/7.0
Width (in/mm)
2.76/70.1
2.76/70.1
2.76/70.1
2.76/70.1
2.76/70.1
2.76/70.1
Depth (in/mm)
3.959/100.55
3.959/100.55
3.959/100.55
3.959/100.55
3.959/100.55
3.959/100.55
Weight (lb/g)
0.203/92.0
0.203/92.0
0.203/92.0
0.203/92.0
0.203/92.0
0.203/92.0
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
FIPS 140-2 Inside