Western Digital Power-saving Hard Drives WD RE4-GP Manual de usuario

Enterprise Hard Drives

Interface

Width/Height

Rotational Speed

Capacities

Model Numbers

3.5-inch/1-inch

2 TB

WD2002FYPS

Note: Not all products

may be available in all

regions of the world.

IntelliPower

SATA

WD RE4-GP

Power-Saving Hard Drives

Faster Performance

Reduced Power Consumption

Lower Cost of Ownership

Available in capacities up to 2 TB, WD RE4-GP SATA hard drives offer data-hungry

organizations massive capacity with significant power savings and lower cost of

ownership compared to competitors’ standard enterprise-class drives. Based on WD's

exclusive GreenPower™ platform, these drives are designed to deliver power savings

as the primary attribute and are equipped with 64 MB cache, dual processors, and

IntelliPower™, a fine-tuned balance of spin speed, transfer rate, and caching algorithms

designed to deliver both significant power savings and solid performance.

Product Benefits

Faster — 64 MB cache, dual processors, and increased areal density yield twice the

processing power which results in up to a 25 percent performance improvement over the

previous generation.

Greener — Improvements in our power-conserving technologies — IntelliSeek™,

IntelliPark™, and IntelliPower™ — deliver improved power consumption over our previous

generation of WD RE-GP drives.

Improved rotary vibration tolerance — Optimized drive mechanics, system

characterization, and process validation yields unmatched performance in high vibration

environments.

Lower total cost of ownership — Large data-hungry financial institutions and web

service providers can save up to $10 savings per drive per year in electricity costs (U.S). A

large data center with 10,000 drives could realize up to $100,000 in savings per year.

24x7 reliability — With 1.2 million hours MTBF, these drives have the highest available

reliability rating on a high-capacity drive.

Product Features

IntelliPower —A fine-tuned balance of spin speed, transfer rate, and caching algorithms

designed to deliver both significant power savings and solid performance. Additionally,

GreenPower™drives consume less current during start up allowing more drives to spin up

simultaneously resulting in faster system readiness.

IntelliSeek —Calculates optimum seek speeds to lower unnecessary power

consumption, noise, and vibration.

IntelliPark — Delivers lower power consumption by automatically unloading recording

heads during idle to reduce aerodynamic drag, and by disengaging read/write channel

electronics.

Active Power Management —WD GreenPower drives monitor work load and

automatically invoke idle mode whenever possible to further reduce unnecessary power

consumption. Drive recovery time from idle mode is less than one second, providing

seamless power management between the drive and the host controller.

StableTrac™—Secures the motor shaft at both ends to reduce system-induced vibration

and stabilize platters for accurate tracking during read and write operations.

RAID-specific time-limited error recovery (TLER) — Pioneered by WD, this feature

prevents drive fallout caused by the extended hard drive error-recovery processes common

to desktop drives.

Rotary Acceleration Feed Forward (RAFF™) optimizes operation and performance

when the drives are used in vibration-prone multi-drive systems such as rackmounted

servers.

Enterprise Hard Drives

For service and literature:

support.wdc.com

www.westerndigital.com

Western Digital, WD, and the WD logo are registered

trademarks in the U.S. and other countries; and

IntelliSeek, IntelliPower, GreenPower, StableTrac,

IntelliPark, 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.

Western Digital

20511 Lake Forest Drive

Lake Forest, California 92630

U.S.A

2879-701312-A00 Apr 2009

800.ASK.4WDC North America

800.832.4778 Spanish

+800.6008.6008 Asia Pacific

00800.27549338 Europe

(toll free where available)

+31.880062100 Europe/Middle East/Africa

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.

2WD 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.

3Controlled unload at ambient condition.

4The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.

5No non-recoverable errors during operating test or after non-operating tests.

6Sound power level.

Specifications12 TB

Model number WD2002FYPS

Interface SATA 3 Gb/s

Formatted capacity 2,000,398 MB

User sectors per drive 3,907,029,168

Native command queuing Yes

SATA latching connector Yes

Actuator latch/auto park Yes

Form factor 3.5-inch

RoHS compliant2Yes

Performance

Data transfer rate (max)

Buffer to host

Host to/from drive (sustained)

3 Gb/s

110 MB/s

Cache (MB) 64

Rotational speed (RPM) IntelliPower

Average drive ready time (sec) 17

Configuration/Organization

Heads/disks 8/4

Bytes per sector (STD) 512

Reliability/Data Integrity

Load/unload cycles3600,000

Non-recoverable read errors per bits read <1 in 1015

Limited warranty (years)45

Power Management

12VDC (A, max) 1.8

Average power requirements (W)

Read/Write

Idle

Standby

Sleep

6.8

3.7

0.8

Environmental Specifications5

Temperature (°C)

Operating

Non-operating

5 to 55

-40 to 70

Shock (Gs)

Operating (2 ms, read)

Operating (2 ms, read/write)

Non-operating (2 ms)

300

Average acoustics (dBA)6

Idle mode

Performance seek mode

Quiet seek mode

Physical Dimensions

Height (in./mm, max) 1.028/26.1

Length (in./mm, max) 5.787/147

Width (in./mm, ± .01 in.) 4/101.6

Weight (lb./kg, ± 10%) 1.61/0.73

WD RE4-GP

Power Saving Hard Drives

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