User manual WESTERN DIGITAL WD RE2 DATASHEET

[. . . ] 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. [. . . ] 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 NO ONE ES MORE T DO SA FEG UAR D YO 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. UR D ATA O 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. Other marks may be mentioned herein that belong to other companies. Product specifications subject to change without notice. © 2008 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. Total accessible capacity varies depending on operating environment. [. . . ] 6 No non-recoverable errors during operating test or after non-operating tests. [. . . ]