Western Digital WD5002ABYS User Manual

WD RE3

Enterprise Hard Drives

High Performance

24x7 Reliability

1.2 Million Hours MTBF

Enterprise Hard Drives

Interface

SATA

Width/Height

3.5-inch/1-inch

Rotational Speed

7200 RPM

Capacities

250 GB to 1 TB

Model Numbers

WD1002FBYS
WD7502ABYS
WD5002ABYS
WD3202ABYS
WD2502ABYS

Note: Not all products

may be available in all

regions of the world.

WD RE3 7200 RPM Enterprise SATA hard drives are packed with
performance and reliability features making them the perfect solution for
servers, video surveillance, and other demanding write-intensive applications.
With a designed, manufactured and demonstrated MTBF of 1.2 million hours
at 100% duty cycle in nominal enterprise conditions, up to 32 MB cache, and
best-in-class vibration tolerance, these drives are the ultimate in Enterprise
SATA storage.

Product Benefits

Massive capacity - WD RE3 Enterprise SATA drives are available in capacities up to 1 TB.
Dual processor - Twice the processing power delivers best-in-class performance for

demanding Enterprise applications.
RAFF™ - Our fourth generation RAFF technology includes sophisticated electronics to

monitor the drive and correct both linear and rotational vibration for up to a 60% performance
improvement in high vibration environments over the previous generation of drives.

IntelliSeek™ - Calculates optimum seek speeds to lower power consumption, noise, and
vibration in active seek modes without degrading performance.

StableTrac™ - The motor shaft is secured at both ends to reduce system-induced vibration
and stabilize platters for accurate tracking during read and write operations. (750 GB and
above)

Multi-axis shock sensor - Automatically detects the subtlest shock events and
compensates to protect the data.

RAID-specific, time-limited error recovery (TLER) - Prevents drive fallout caused by the
extended hard drive error-recovery processes common to desktop drives.

Third generation dynamic fly height - Each read-write head’s fly height is adjusted in real
time for optimum reliability.

Thermal extended burn-in test - Each drive is put through extended burn-in testing with
thermal cycling to ensure reliable operation.

NoTouch™ ramp load technology - The recording head never touches the disk media
ensuring significantly less wear to the recording head and media as well as better drive
protection in transit.

Perpendicular Magnetic Recording (PMR) - WD RE3 Enterprise SATA drives utilize PMR
technology to achieve even greater areal density, reliability, and design margin.

5-year limited warranty

Applications

Ideal for servers, storage arrays, video surveillance, and other demanding applications.

The WD Promise

WD understands the importance of the information you save to your hard

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drive and we are committed to protecting that data with exceptionally reliable

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products, advanced data protection technology, and superior customer support.

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No one does more to safeguard your data than WD.

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WD RE3

Enterprise Hard Drives

Enterprise Hard Drives

Specifications

1

1 TB 750 GB 500 GB 320 GB 250 GB

Model number WD1002FBYS WD7502ABYS WD5002ABYS WD3202ABYS WD2502ABYS
Interface SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s
Formatted capacity 1,000,204 MB 750,156 MB 500,107 MB 320,072 MB 251,059 MB
User sectors per drive 1,953,525,168 1,465,149,168 976,773,168 625,142,448 490,350,672
Native command queuing Yes Yes Yes Yes Yes
SATA latching connector Yes Yes Yes Yes Yes
Actuator latch/auto park Yes Yes Yes Yes Yes
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
RoHS compliant

Performance

2

Yes Yes Yes Yes Yes

Data transfer rate (max)

Buffer to host
Host to/from drive (sustained)

3 Gb/s
113 MB/s

3 Gb/s
113 MB/s

3 Gb/s
113 MB/s

3 Gb/s
118 MB/s

3 Gb/s
118 MB/s

Cache (MB) 32 32 16 16 16
Average latency (ms) 4.2 4.2 4.2 4.2 4.2
Rotational speed (RPM) 7200 7200 7200 7200 7200
Average drive ready time (sec) 17 17 11 6.5 6.5

Configuration/Organization

Heads/disks 6/3 5/3 4/2 2/1 2/1
Bytes per sector (STD) 512 512 512 512 512

Reliability/Data Integrity

Load/unload cycles
Non-recoverable read errors per bits read <1 in 1015 <1 in 1015 <1 in 1015 <1 in 1015 <1 in 1015
Limited warranty (years)

Power Management

3

4

300,000 300,000 300,000 300,000 300,000

55555

12VDC (A, max) 2.1 2.1 2.1 2.1 2.1
Average power requirements (W)

Read/Write
Idle
Standby
Sleep

Environmental Specifications

Temperature (°C)

Operating
Non-operating

Shock (Gs)

Operating (2 ms, read)
Operating (2 ms, read/write)
Non-operating (2 ms)

Average acoustics (dBA)

Idle mode
Performance seek mode
Quiet seek mode

Physical Dimensions

6

5

8.0

7.2

0.85

0.85

0 to 60

-40 to 70

30
65
250

28
33
29

8.0

7.2

0.85

0.85

0 to 60

-40 to 70

30
65
250

28
33
29

7.1

6.6

0.85

0.85

0 to 60

-40 to 70

30
65
300

25
29
26

5.5

5.1

0.85

0.85

0 to 60

-40 to 65

30
65
350

29
30
30

5.5

5.1

0.85

0.85

0 to 60

-40 to 65

30
65
350

29
30
30

Height (in./mm, max) 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1
Length (in./mm, max) 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147
Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6
Weight (lb./kg, ± 10%) 1.52/0.69 1.52/0.69 1.39/0.63 0.97/0.44 0.97/0.44

1

As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total
accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or
interface, megabyte per second (MB/s) = one million bytes per second, and gigabit per second (Gb/s)= one billion bits per second. Effective maximum SATA 3
Gb/s transfer rate calculated according to the Serial ATA specification published by the SATA-IO organization as of the date of this specification sheet. Visit
www.sata-io.org for details.

2

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. The RoHS Directive 2002/95/EC of the European Parliament, which is effective in the EU
beginning July 1, 2006, aims to protect human health and the environment by restricting the use of certain hazardous substances in new equipment, and consists
of restrictions on lead, mercury, cadmium, and other substances.

3

Controlled unload at ambient condition.

4

The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.

5

No non-recoverable errors during operating test or after non-operating tests.

6

Sound power level.

For service and literature:

support.wdc.com
www.westerndigital.com

800.ASK.4WDC North America

800.832.4778 Spanish
+800.6008.6008 Asia Pacific

00800.27549338 Europe

+31.880062100 Europe/Middle East/Africa

Western Digital, WD, and the WD logo are registered
trademarks in the U.S. and other countries; and
IntelliSeek, StableTrac, NoTouch, 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.
All rights reserved.

Western Digital
20511 Lake Forest Drive
Lake Forest, California 92630
U.S.A

2879-701281-A06 Nov 2008

(toll free where available)