
Physical Specifications
120 GB 160 GB 200 GB 250 GB 320 GB
Formatted capacity1120,034 MB 160,041 MB 200,049 MB 250,059 MB 320,072 MB
Actuator type Rotary voice coil Rotary voice coil Rotary voice coil Rotary voice coil Rotary voice coil
Actuator latch/auto park Yes Yes Yes Yes Yes
Dedicated landing zone Yes Yes Yes Yes Yes
Servo type Embedded Embedded Embedded Embedded Embedded
Performance Specifications
Average latency 4.2 ms (nominal)
Buffer 8 MB
Rotational speed 7200 RPM
Seek time
Read 8.9 ms (average)
Track-to-track 2.0 ms (average)
Product Dimensions
Environmental Specifications
Power Requirements
Height 2.26 in (57.4 mm) ± 0.10
Length 9.50 in (241.3 mm) ± 0.10
Width 5.91 in (150.1 mm) ± 0.10
Weight 3.0 lb (1.36 kg)
Operating temperature 5°C to 40°C
Non-operating temperature –20°C to 65°C
AC input voltage 100–240V
AC input frequency 47–63 Hz
For service and literature:
support.wdc.com
www.westerndigital.com
800.ASK.4WDC North America
949.672.7199 Spanish
+800.6008.6008 Asia Pacific
+31.20.4467651 EMEA
Western Digital is a registered trademark;
and WD, the WD logo, WD Dual-option,
and Safe Shutdown are trademarks of
Western Digital Technologies, Inc. Other
marks may be mentioned herein that
belong to other companies. Product and
packaging specifications subject to
change without notice.
© 2005 Western Digital Technologies, Inc.
All rights reserved.
Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A.
2879-001091-A07 Jan 2006
Retail UPC Codes
Note: Contact WD Marketing for order numbers not listed.
UNITED STATES AUSTRALIA/NEW ZEALAND CANADA EUROPE/MIDDLE EAST/AFRICA
Capacity Order Number UPC Code Order Number UPC Code Order Number UPC Code Order Number UPC Code
120 GB WDXF1200JBRNN 7 18037 10591 8 WDXF1200JBRSA 7 18037 10679 3 WDXF1200JBRNQ 7 18037 10721 9 WDXF1200JBRNE 7 18037 10592 5
160 GB WDXF1600JBRNN 7 18037 10597 0 WDXF1600JBRSA 7 18037 10687 8 WDXF1600JBRNQ 7 18037 10733 2 WDXF1600JBRNE 7 18037 10598 7
200 GB WDXF2000JBRNN 7 18037 10603 8 WDXF2000JBRSA 7 18037 10695 3 WDXF2000JBRNQ 7 18037 10746 2 WDXF2000JBRNE 7 18037 10604 5
250 GB WDXF2500JBRNN 7 18037 10609 0 WDXF2500JBRSA 7 18037 10703 5 WDXF2500JBRNQ 7 18037 10759 2 WDXF2500JBRNE 7 18037 10610 6
320 GB WDXF3200JBRNN 7 18037 11263 3 WDXF3200JBRSA 7 18037 11266 4 WDXF3200JBRNQ 7 18037 11270 1 WDXF3200JBRNE 7 18037 11307 4
HONG KONG/MALAYSIA/SINGAPORE JAPAN KOREA UNITED KINGDOM
Capacity Order Number UPC Code Order Number UPC Code Order Number UPC Code Order Number UPC Code
120 GB WDXF1200JBRSH 7 18037 10681 6 WDXF1200JBRSJ 7 18037 10682 3 WDXF1200JBRSK 7 18037 10680 9 WDXF1200JBRNU 7 18037 10593 2
160 GB WDXF1600JBRSH 7 18037 10689 2 WDXF1600JBRSJ 7 18037 10690 8 WDXF1600JBRSK 7 18037 10688 5 WDXF1600JBRNU 7 18037 10599 4
200 GB WDXF2000JBRSH 7 18037 10697 7 WDXF2000JBRSJ 7 18037 10698 4 WDXF2000JBRSK 7 18037 10696 0 WDXF2000JBRNU 7 18037 10605 2
250 GB WDXF2500JBRSH 7 18037 10705 9 WDXF2500JBRSJ 7 18037 10706 6 WDXF2500JBRSK 7 18037 10704 2 WDXF2500JBRNU 7 18037 10611 3
320 GB WDXF3200JBRSH 7 18037 11269 5 WDXF3200JBRSJ 7 18037 11271 8 WDXF3200JBRSK 7 18037 11267 1 WDXF3200JBRNU 7 18037 11308 1
Packaging Specifications
English Metric
Retail box size 12.75 in 7.875 in 6.5 in 323.85 mm 200.03 mm 165.1 mm
Retail box weight 6.2 lbs 2.81 kg
Master carton size 13.5 in 13.25 in 8.5 in 342.9 mm 336.55 mm 215.9 mm
Master carton weight 13.75 lbs 6.3 kg
Boxes per master carton 2 2
Master cartons per pallet 45 45
××××
××××
Interface Specifications
FireWire
!FireWire, i.LINK, IEEE 1394, 1394a
!OHCI and SBP-2 compliant
!Two external 6-pin 1394 receptacles
!Serial bus data transfer rates of 100, 200, and 400 Mb/s
USB 2.0
!USB 2.0 and 1.1 compliant2
!One external “B” 4-pin USB receptacle
!Serial bus data transfer rates up to 480 Mb/s
Memory Card Compatibility
!CompactFlash™Types I and II
!Memory Stick®
!Memory Stick PRO®
!Microdrive™
!MultiMedia Card
!SD Card
!SmartMedia™
1Western Digital defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Some operating systems use the binary numbering system which results in a lower reported capacity.
2A USB 2.0 host and USB 2.0 certified cable are required to obtain Hi-Speed USB performance.