
Performance Specifications
Specifications 320 GB 250 GB 160 GB 120 GB 80 GB
Model number WD3200BEKT
WD3200BJKT
WD2500BEKT
WD2500BJKT
WD1600BEKT
WD1600BJKT
WD1200BEKT
WD1200BJKT
WD800BEKT
WD800BJKT
Interface SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s
Formatted capacity1320,072 MB 250,059 MB 160,041 MB 120,034 MB 80,026 MB
User sectors per drive 625,142,448 488,397,168 312,581,808 234,441,648 156,301,488
Master/slave support Yes Yes Yes Yes Yes
Form factor 2.5-inch 2.5-inch 2.5-inch 2.5-inch 2.5-inch
RoHS compliant2Yes Yes Yes Yes Yes
Performance
Data transfer rate (max)
Buffer to host
Host to/from drive (sustained)
3 Gb/s
100 Mbytes/s
3 Gb/s
100 Mbytes/s
3 Gb/s
100 Mbytes/s
3 Gb/s
100 Mbytes/s
3 Gb/s
100 Mbytes/s
Cache (MB) 16 16 16 16 16
Average latency (ms) 4.2 4.2 4.2 4.2 4.2
Rotational speed (RPM) 7200 7200 7200 7200 7200
Averagedrivereadytime(sec)44444
Configuration/Organization
Heads/disks 4/2 4/2 2/1 2/1 1/1
Bytes per sector (STD) 512 512 512 512 512
Reliability/Data Integrity
Load/unload cycles3600,000 600,000 600,000 600,000 600,000
Non-recoverable read errors per
bits read
<1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014
Limited warranty (years)455555
Power Management
5VDC ±10% (A, peak) 1.1 1.1 1.1 1.1 1.1
Average power requirements (W)
Read/Write
Idle
- Performance (mode 1)
- Active (mode 2)
- Low Power (mode 3)
Standby
Sleep
2.1
2.0
1.1
0.95
0.20
0.20
2.1
2.0
1.1
0.95
0.20
0.20
2.1
2.0
1.1
0.95
0.20
0.20
2.1
2.0
1.1
0.95
0.20
0.20
2.1
2.0
1.1
0.95
0.20
0.20
Environmental Specifications5
Temperature (°C)
Operating
Non-operating 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 (2 ms, read)
Non-operating (1 ms)
275
900
275
900
275
900
275
900
275
900
Average acoustics (dBA)6
Idle mode
Average seek mode
25
28
25
28
25
28
25
28
25
28
Physical Dimensions
Height (in./mm, max) 0.374/9.50 0.374/9.50 0.374/9.50 0.374/9.50 0.374/9.50
Length (in./mm, max) 3.94/100.20 3.94/100.20 3.94/100.20 3.94/100.20 3.94/100.20
Width (in./mm, ± .01 in.) 2.75/69.85 2.75/69.85 2.75/69.85 2.75/69.85 2.75/69.85
Weight (lb./kg, ± 10%) 0.24/0.111 0.24/0.111 0.24/0.111 0.24/0.111 0.24/0.111
For service and literature:
support.wdc.com
www.westerndigital.com
Western Digital, WD, the WD logo, and
WD Scorpio are registered trademarks in
the U.S. and other countries; and Scorpio
Black, SecurePark, FIT Lab, ShockGuard,
IntelliSeek, and WhisperDrive are
trademarks of Western Digital
Technologies, Inc. Other marks may be
mentioned herein that belong to other
companies. Product specifications subject
to change without notice.
© 2008 Western Digital Technologies, Inc.
All rights reserved.
Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A.
2879-701275-A00 Jun 2008
800.ASK.4WDC North America
949.672.7199 Spanish
+800.6008.6008 Asia Pacific
+31.20.4467651 EMEA
WD Scorpio Black
Mobile Hard Drives
1One gigabyte (GB) = 1,000,000,000 bytes. Total accessible capacity varies depending on operating environment.
2WD complies with the Restriction of Hazardous Substances (RoHS) Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006. RoHS aims to
protect human health and the environment by restricting the use of certain hazardous substances in new equipment, and consists of restrictions on lead, mercury, cadmium, and other
substances.
3Controlled unload at ambient condition.
4The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.
WD Scorpio Black