Western Digital HD Caviar 120GB EIDE, 100 MB/s, 2 MB Cache, 7200 RPM WD1200BB Fascicule
Codes de produits
WD1200BB
Desktop
Hard Drives
Drive Specifications
Performance Specifications
SATA Hard Drives
40 GB
80 GB
160 GB
Formatted capacity
1
40,020 MB
80,026 MB
160,041 MB
User sectors per drive
78,165,360
156,301,488
312,581,808
WD model number
WD400BD
WD800BD
WD1600AABS
EIDE Hard Drives
40 GB
80 GB
160 GB
200 GB
250 GB
Formatted capacity
1
40,020 MB
80,026 MB
160,041 MB
200,049 MB
250,059 MB
User sectors per drive
78,165,360
156,301,488
312,581,808
390,721,968
488,397,168
WD model number
WD400BB
WD800BB
WD1600AABB WD2000BB
WD2500BB
SATA/EIDE Hard Drives
Actuator latch/auto park
Yes
Bytes per sector (STD)
512
Dedicated landing site
Yes
Form factor
3.5-inch
RoHS compliant
2
Yes
SATA Hard Drives
Average latency
4.2 ms
Buffer
2 MB
Cache
Read
Adaptive
Write
Yes
Data transfer rate
Buffer to disk
972 Mbits/s (maximum)
Buffer to host
3
3 Gb/s (maximum)
Drive ready time
6.0 sec (maximum)
Error rate (non-recoverable)
<1 in 10
14
bits read
LBA support
Yes
Rotational speed
7200 RPM
Seek time
Full stroke read
21 ms (average)
Read
8.9 ms (average)
Track-to-track
2.0 ms (average)
Start/stop cycles
50,000 minimum
For service and literature:
800.ASK.4WDC
North America
949.672.7199
Spanish
+800.6008.6008 Asia Pacific
+31.20.4467651 EMEA
+31.20.4467651 EMEA
Western Digital, WD, the WD logo, and WD
Caviar are registered trademarks; Data
Lifeguard, Data Lifeguard Tools, and FIT Lab
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.
Caviar are registered trademarks; Data
Lifeguard, Data Lifeguard Tools, and FIT Lab
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.
© 2007 Western Digital Technologies, Inc.
All rights reserved.
All rights reserved.
Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A.
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A.
2879-001021-A46 Aug 2007
WD Caviar
Desktop Hard Drives
EIDE Hard Drives
Average latency
4.2 ms
Buffer
2 MB
Cache
Read
Adaptive
Write
Yes
Data transfer rate (buffer to host)
Mode 5 Ultra ATA
4
100 MB/s
Mode 4 Ultra ATA
4
66.6 MB/s
Mode 2 Ultra ATA
4
33.3 MB/s
Mode 2 DMA
4
16.6 MB/s
Mode 4 PIO
4
16.6 MB/s
Drive ready time
7.0 sec (average)
Error rate (non-recoverable)
<1 in 10
14
bits read
LBA support
Yes
Rotational speed
7200 RPM
Seek time
Full stroke read
21 ms (average)
Read
8.9 ms (average)
Track-to-track
2.0 ms (average)
Start/stop cycles
50,000 minimum
1
One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on
operating environment.
2
WD products manufactured and sold worldwide after August 1, 2005, meet or exceed Restriction of Hazardous Substances
(RoHS) compliance requirements as mandated by the European Union for electrical and electronic products. The RoHS
Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006, 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.
Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006, 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
Models WD400BD and WD800BD manufactured before December 1, 2005 have a buffer-to-host data transfer rate of
1.5 Gb/s.
4
Maximum burst rate running the specified PIO, DMA, or Ultra ATA transfer mode.