Seagate ST250DM000 Hoja De Datos
The Power of One
Barracuda
®
Specifications
3TB
1
2TB
1
1.5TB
1
1TB
1
750GB
1
500GB
1
320GB
1
250GB
1
Model Number
ST3000DM001
ST2000DM001
ST1500DM003
ST1000DM003
ST750DM003
ST500DM002
2
ST320DM000
2
ST250DM000
2
Interface Options
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
SATA 6Gb/s NCQ
Performance
Spindle Speed (RPM)
7200
7200
7200
7200
7200
7200
7200
7200
Cache, Multisegmented (MB)
64
64
64
64
64
16
16
16
SATA Transfer Rates Supported (Gb/s)
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
6.0/3.0/1.5
Seek Average, Read (ms)
<8.5
<8.5
<8.5
<8.5
<8.5
<11
<11
<11
Seek Average, Write (ms)
<9.5
<9.5
<9.5
<9.5
<9.5
<12
<12
<12
Average Data Rate, Read/Write (MB/s)
156
156
156
156
156
125
125
125
Max Sustained Data Rate, OD Read (MB/s)
210
210
210
210
210
144
144
144
Configuration/Organization
Heads/Disks
6/3
6/3
4/2
2/1
2/1
2/1
2/1
1/1
Bytes per Sector
4096
4096
4096
4096
4096
4096 or 512
2
4096 or 512
2
4096 or 512
2
Voltage
Voltage Tolerance, Including Noise (5V)
+10%/–5.0%
+10%/–5.0%
+10%/–5.0%
+10%/–5.0%
+10%/-5.0%
+10%/–5.0%
+10%/–5.0%
+10%/–5.0%
Voltage Tolerance, Including Noise (12V)
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
+10%/–7.5%
Reliability/Data Integrity
Contact Start/Stop Cycles
—
—
—
—
—
50,000
50,000
50,000
Load/Unload Cycles
300,000
300,000
300,000
300,000
300,000
—
—
—
Nonrecoverable Read Errors per Bits Read, Max
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
1 per 10E14
Annualized Failure Rate (AFR)
<1%
<1%
<1%
<1%
<1%
<1%
<1%
<1%
Power-On Hours
2400
2400
2400
2400
2400
2400
2400
2400
Power Management
Startup Power (A)
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
Operating Mode, Typical (W)
8.0
8.0
6.70
5.90
5.90
6.19
6.19
6.19
Idle2 Average (W)
5.40
5.40
4.50
3.36
3.36
—
—
—
Idle Average (W)
—
—
—
—
—
4.60
4.60
4.60
Standby Mode (W)
0.75
0.75
0.75
0.63
0.63
0.79
0.79
0.79
Sleep Mode (W)
0.75
0.75
0.75
0.63
0.63
0.79
0.79
0.79
Environmental
Temperature
Operating (ambient min °C)
0
0
0
0
0
0
0
0
Operating (drive case max °C)
60
60
60
60
60
60
60
60
Nonoperating (ambient °C)
−40 to 70
−40 to 70
−40 to 70
−40 to 70
−40 to 70
−40 to 70
−40 to 70
−40 to 70
Physical
Height (mm/in)
26.11/1.028
26.11/1.028
26.11/1.028
20.17/0.7825
20.17/0.7825
19.98/0.787
19.98/0.787
19.98/0.787
Width (mm/in)
101.6/4.0
101.6/4.0
101.6/4.0
101.6/4.0
101.6/4.0
101.6/4.0
101.6/4.0
101.6/4.0
Depth (mm/in)
146.99/5.787
146.99/5.787
146.99/5.787
146.99/5.787
146.99/5.787
146.99/5.787
146.99/5.787
146.99/5.787
Weight (g/lb)
626/1.38
626/1.38
535/1.18
400/0.88
400/0.88
415/0.92
415/0.92
415/0.92
Carton Unit Quantity
20
20
20
25
25
25
25
25
Cartons per Layer
40
40
40
40
40
40
40
40
Cartons per Pallet
8
8
8
8
8
8
8
8
Special Features
Seagate OptiCache™ Technology
Yes
Yes
Yes
Yes
Yes
No
No
No
Seagate AcuTrac™ Technology
Yes
Yes
Yes
Yes
Yes
No
No
No
Seagate SmartAlign™ Technology
Yes
Yes
Yes
Yes
Yes
Yes
2
Yes
2
Yes
2
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 Seagate ships this drive in both 4K- and 512-byte sectors. SmartAlign technology is included on 4K sector drives. Both drives are functionally and physically equivalent.
2 Seagate ships this drive in both 4K- and 512-byte sectors. SmartAlign technology is included on 4K sector drives. Both drives are functionally and physically equivalent.
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. AcuTrac, Barracuda, DiscWizard, OptiCache and SmartAlign are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other
countries. 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. Seagate reserves the right to change, without notice, product offerings or specifications.
DS1737.1-1111US, November 2011
countries. AcuTrac, Barracuda, DiscWizard, OptiCache and SmartAlign are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other
countries. 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. Seagate reserves the right to change, without notice, product offerings or specifications.
DS1737.1-1111US, November 2011