Detailed instructions for use are in the User's Guide.
[. . . ] WD RE2
Enterprise Hard Drives
Enterprise-class 1. 2 million hours MTBF 24 x 7 reliability
Enterprise Hard Drives
Interface
SATA
With 1. 2 million hours MTBF, 5-year limited warranty, 3 Gb/s SATA technology, and enhanced vibration tolerance, WD RE2 drives offer an ideal combination of reliability, high capacity, and optimum performance for enterprise applications.
Width/Height
3. 5-inch/1-inch
Product Benefits
Superior reliability - Designed and manufactured to provide server-class reliability in high duty cycle environments. [. . . ] RAID-specific, Time-Limited Error Recovery (TLER) - Significantly reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.
Rotational Speed
7200 RPM
Capacities
160 to 750 GB
Rotary Acceleration Feed Forward (RAFFTM) - Provides enhanced vibration tolerance by optimizing operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage. 5-year limited warranty
Model Numbers
WD7500AYYS WD5001ABYS WD5000ABYS WD4001ABYS WD4000ABYS WD3201ABYS WD1601ABYS Note: Not all products may be available in all regions of the world.
Applications
Servers, network attached storage, scientific computing, life sciences, video surveillance, enterprise backup, software build systems, document and image management, audio/video media applications, other demanding write-intensive applications.
The WD Promise
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WD understands the importance of the information you save to your hard drive and we are committed to protecting that data with exceptionally reliable products, advanced data protection technology, and superior customer support. No one does more to safeguard your data than WD.
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WD RE2
Enterprise Hard Drives
Enterprise Hard Drives
Drive Specifications
160 GB
Formatted capacity1 User sectors per drive Model number Actuator latch/auto park Bytes per sector (STD) Dedicated landing zone Form factor Interface Native Command Queuing RoHS compliant2
320 GB
400 GB
500 GB
750 GB
160, 041 MB 320, 072 MB 400, 088 MB 312, 581, 808 625, 142, 448 781, 422, 768 WD1601ABYS WD3201ABYS WD4000ABYS WD4001ABYS Yes 512 Yes 3. 5-inch SATA 3 Gb/s Yes Yes Yes 512 Yes 3. 5-inch SATA 3 Gb/s Yes Yes Yes 512 Yes 3. 5-inch SATA 3 Gb/s Yes Yes
500, 107 MB 750, 156 MB 976, 773, 168 1, 465, 149, 168 WD5000ABYS WD7500AYYS WD5001ABYS Yes 512 Yes 3. 5-inch SATA 3 Gb/s Yes Yes Yes 512 Yes 3. 5-inch SATA 3 Gb/s Yes Yes
Performance Specifications
Average latency Buffer Cache Read Write Data transfer rate Buffer to host3 Buffer to disk4 Drive ready time Error rate (non-recoverable) LBA support MTBF5 Rotational speed Seek time Full stroke Read Track-to-Track Limited warranty 4. 2 ms 16 MB Adaptive Yes 3 Gb/s (maximum) 98 MB/s (sustained) 12. 0 sec (average) <1 in 1015 bits read Yes 1, 200, 000 hours 7200 RPM 21 ms (average) 8. 9 ms (average) 0. 6 ms (average) 5-year
Environmental Specification6
Shock
Operating (2 ms) Non-operating (1 ms) 30G (write), 65G (read) 250G
Note: Half-sine wave, measured in 2 ms duration and without isolation.
Vibration
Operating Random Linear Non-operating Random Linear 0. 004 g 2/Hz (10 to 300 Hz) 0. 008 g 2/Hz (300 to 500 Hz) 20300 Hz, 0. 75G (0 to peak) 0. 05 g 2/Hz (10 to 300 Hz) 0. 01 g 2/Hz (300 to 500 Hz) 20500 Hz, 4. 0G (0 to peak)
Operating Temperature and Humidity
Temperature Humidity Thermal gradient 5°C to 55°C 595% RH non-condensing 20°C/hour (maximum)
Physical Dimensions
Height Length Width Weight 4 1. 028 in (25. 4 mm) 5. 787 in (147. 0 mm) 4. 0 in (101. 6 mm) ±0. 01 in 1. 61 lb (0. 73 kg) ±10%
Non-Operating Temperature and Humidity
Temperature Humidity Thermal gradient 40°C to 65°C 595% RH non-condensing 30°C/hour
Acoustics (Average) 4
28 dBA Idle mode 7 Performance seek mode8 34 dBA Quiet seek mode 30 dBA
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, WD, and the WD logo are registered trademarks in the U. S. and other countries; and the FIT Lab logo and RAFF are trademarks of Western Digital Technologies, Inc. Western Digital 20511 Lake Forest Drive Lake Forest, California 92630 U. S. A 2879-701176-A11 Jun 2008
1 2
One gigabyte (GB) = one billion bytes. 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. [. . . ] 6 No non-recoverable errors during operating test or after non-operating tests. [. . . ]