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WD RE4
Enterprise SATA Hard Drives

Outside of the
boardroom, it's all
the power you need

Massive 2 TB capacity
High performance technology
24x7 reliability

Ideal for servers, video surveillance, and other
demanding write-intensive applications,
WD RE4 7200 RPM Enterprise SATA hard
drives offer up to 2 TB capacity, 64 MB
cache, 4th generation vibration tolerance
and 5-year limited warranty.
WD RE4
Enterprise SATA Hard Drives

Product features

massive capacity Dual actuator technology multi-axis shock sensor thermal extended burn-in test
WD RE4 Enterprise SATA drives are A head positioning system with two Automatically detects the subtlest Each drive is put through extended
available with up to 2 TB of cavernous actuators that improves positional shock events and compensates to burn-in testing with thermal cycling to
capacity. accuracy over the data track(s). The protect the data. ensure reliable operation.
primary actuator provides coarse
Dual processor displacement using conventional RaID-specific, time-limited third generation dynamic fly
With double the processing power, electromagnetic actuator principles. The
error recovery (tlER) height
WD RE4 boasts the highest secondary actuator uses piezoelectric
Prevents drive fallout caused by the Each read-write head's fly height is
performance of any drive in the motion to fine tune the head positioning
extended hard drive error-recovery adjusted in real time for optimum
RE family. to a higher degree of accuracy.
processes common to desktop drives. reliability.
(2 TB only)
RaffTM notouchTM ramp load
Enhanced RAFF technology includes
StabletracTM
The motor shaft is secured at both ends technology
sophisticated electronics to monitor The recording head never touches the
to reduce system-induced vibration and
the drive and correct both linear and disk media ensuring significantly less
stabilize platters for accurate tracking
rotational vibration in real time. The wear to the recording head and media
during read and write operations.
result is a significant performance as well as better drive protection in
improvement in high vibration transit.
environments over the previous IntelliSeekTM
generation of drives. Calculates optimum seek speeds to
lower power consumption, noise, and
vibration.

Product Specifications
IntERfacE fORm factOR SPIn SPEED cachE
SATA 3 Gb/s 3.5-inch 7200 RPM 64 MB

mODElS caPacItIES mtBf lImItED WaRRanty
WD2003FYYS 2 TB 1.2 million hours at 100% duty cycle 5 years
WD1503FYYS 1.5 TB
WD1003FBYX 1 TB
WD5003ABYX 500 GB
WD2503ABYX 250 GB

Western Digital, WD, the WD logo and Put Your Life On It are registered trademarks in the U.S. and other countries; IntelliSeek, NoTouch, RAFF and StableTrac are trademarks of Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies.
Pictures shown may vary from actual product. Not all products may be available in all regions of the world. All product and packaging specifications subject to change without notice.