Western Digital WD2500BEKT Product Specifications (pdf) - Page 2

WD Scorpio Black - hard drive

Page 2 highlights

WD Scorpio Black WD Scorpio Black Mobile Hard Drives Performance Specifications Specifications 320 GB Model number WD3200BEKT WD3200BJKT Interface Formatted capacity1 SATA 3 Gb/s 320,072 MB User sectors per drive 625,142,448 Master/slave support Yes Form factor RoHS compliant2 2.5-inch Yes Performance Data transfer rate (max) Buffer to host 3 Gb/s Host to/from drive (sustained) 100 Mbytes/s Cache (MB) 16 Average latency (ms) 4.2 Rotational speed (RPM) 7200 Average drive ready time (sec) 4 Configuration/Organization Heads/disks 4/2 Bytes per sector (STD) 512 Reliability/Data Integrity Load/unload cycles3 Non-recoverable read errors per bits read Limited warranty (years)4 600,000

  • 1
  • 2

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 capacity
1
320,072 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 compliant
2
Yes
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
Average drive ready time (sec)
4
4
4
4
4
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 cycles
3
600,000
600,000
600,000
600,000
600,000
Non-recoverable read errors per
bits read
<1 in 10
14
<1 in 10
14
<1 in 10
14
<1 in 10
14
<1 in 10
14
Limited warranty (years)
4
5
5
5
5
5
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 Specifications
5
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
.4
WDC
North America
949.672.7199
Spanish
+800.6008.6008
Asia Pacific
+31.20.4467651
EMEA
WD Scorpio Black
Mobile Hard Drives
1
One gigabyte (GB) = 1,000,000,000 bytes. Total accessible capacity varies depending on operating environment.
2
WD 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.
3
Controlled unload at ambient condition.
4
The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.
WD Scorpio Black