Service Manuals, User Guides, Schematic Diagrams or docs for : Western Digital WD RE2 II
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WD RE2
Enterprise Hard Drives
Enterprise Hard Drives
Enterprise-class
1.2 million hours MTBF
24 x 7 reliability
Interface 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
SATA combination of reliability, high capacity, and optimum performance for
enterprise applications.
Width/Height Product Benefits
Superior reliability - Designed and manufactured to provide server-class reliability in high
3.5-inch/1-inch duty cycle environments. With 1.2 million hours MTBF, these drives have the highest available
reliability rating on a high-capacity drive.
High capacity - Up to 750 GB of storage packed with server-class features and low
Rotational Speed cost-per-gigabyte value.
Fast - With a 3 Gb/s data transfer rate, native command queuing (NCQ), and 16 MB cache,
these drives deliver optimum performance.
7200 RPM
RAID-specific, Time-Limited Error Recovery (TLER) - Significantly reduces drive fallout
caused by the extended hard drive error-recovery processes common to desktop drives.
Capacities 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.
160 to 750 GB
5-year limited warranty
Model Numbers Applications
Servers, network attached storage, scientific computing, life sciences, video surveillance,
WD7500AYYS enterprise backup, software build systems, document and image management, audio/video
WD5001ABYS media applications, other demanding write-intensive applications.
WD5000ABYS
WD4001ABYS
The WD Promise
WD4000ABYS
ES MORE T
WD understands the importance of the information you save to your hard
WD3201ABYS DO
drive and we are committed to protecting that data with exceptionally reliable
O
NO ONE
WD1601ABYS
D ATA
products, advanced data protection technology, and superior customer support.
No one does more to safeguard your data than WD.
UR
SA
FEG YO
Note: Not all products UARD
may be available in all
regions of the world.
WD RE2
Enterprise Hard Drives
Enterprise Hard Drives
Drive Specifications
160 GB 320 GB 400 GB 500 GB 750 GB
Formatted capacity1 160,041 MB 320,072 MB 400,088 MB 500,107 MB 750,156 MB
User sectors per drive 312,581,808 625,142,448 781,422,768 976,773,168 1,465,149,168
Model number WD1601ABYS WD3201ABYS WD4000ABYS WD5000ABYS WD7500AYYS
WD4001ABYS WD5001ABYS
Actuator latch/auto park Yes Yes Yes Yes Yes
Bytes per sector (STD) 512 512 512 512 512
Dedicated landing zone Yes Yes Yes Yes Yes
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Interface SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s
Native Command Yes Yes Yes Yes Yes
Queuing
RoHS compliant2 Yes Yes Yes Yes Yes
Performance Specifications Environmental Specification6
Average latency 4.2 ms Shock
Buffer 16 MB Operating (2 ms) 30G (write), 65G (read)
Cache Non-operating (1 ms) 250G
Read Adaptive
Write Yes Note: Half-sine wave, measured in 2 ms duration and without
Data transfer rate isolation.
Buffer to host3 3 Gb/s (maximum) Vibration
Buffer to disk4 98 MB/s (sustained)
Operating
Drive ready time 12.0 sec (average)
Random 0.004 g 2/Hz (10 to 300 Hz)
Error rate <1 in 1015 bits read 0.008 g 2/Hz (300 to 500 Hz)
(non-recoverable)
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