Western Digital WD4000YS - RE2 Istruzioni per l'installazione

Enterprise Hard Drives

Interface

Width/Height

Rotational Speed

Capacities

Model Numbers

As demand for storage continues to expand, the need for more efficient power

solutions becomes paramount. WD RE2-GP enterprise SATA hard drives make

it possible for large-scale data centers to increase storage capacity without

exceeding available power, and in many cases actually reducing power

consumption. WD RE2-GP drives help combat the four major challenges large

data installations face—total drive slots, maximum capacity, power allotment, and

financial constraints—while lowering the total cost of ownership.

Product Benefits

Reduced power consumption —The combination of WD’s IntelliSeek™, IntelliPark™, and

IntelliPower™technologies brings optimized performance at industry-leading low power

consumption; power is reduced as much as 40 percent.

Helps enable eco-friendly servers — Each WD RE2-GP drive consumes an average of

4-5 watts less than competitor drives making it possible for energy-conscious customers

to build servers with higher capacities, ensured reliability, and promote energy

conservation.

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

service providers can save up to $10 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.

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 disengages read/write 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 (750 GB and

1 TB models only).

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.

1.2 million hours MTBF — The highest available reliability rating on a high-capacity drive.

SATA

IntelliPower

WD5000ABPS

WD7500AYPS

WD1000FYPS

Note: Not all products

may be available in all

regions of the world.

500 GB to 1 TB

3.5-inch/1-inch

WD RE2-GP

Power-Saving Hard Drives

Reduced Power Consumption

Environmentally Responsible

Lower Cost of Ownership

Enterprise Hard Drives

WD RE2-GP

Power Saving Hard Drives

Physical Specifications

500 GB (2-disk) 750 GB (3-disk) 1 TB (4-disk)

Model numbers WD5000ABPS WD7500AYPS WD1000FYPS

Formatted capacity

1500,107 MB 750,156 MB 1,000,204 MB

User sectors per drive 976,773,168 1,465,149,168 1,953,525,168

Interface SATA 3 Gb/s SATA 3 Gb/s SATA 3 Gb/s

Form factor 3.5-inch 3.5-inch 3.5-inch

Bytes per sector (STD) 512 512 512

Actuator latch/auto park Yes Yes Yes

SATA latching connector Yes Yes Yes

RoHS compliant2 Yes Yes Yes

For service and literature:

support.wdc.com

www.westerndigital.com

Western Digital, WD, and the WD logo are

registered trademarks; and IntelliSeek,

IntelliPower, IntelliPark, StableTrac, RAFF,

GreenPower, and FIT Lab 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 U.S.A. 92630

2879-701236-A01 Nov 2007

800.ASK.4WDC North America

949.672.7199 Spanish

+800.6008.6008 Asia Pacific

+31.20.4467651 EMEA

Power Requirements (3- and 4-disk)

Environmental Specifications7

Shock

Vibration

Acoustics (average)8

Limited Warranty9

Performance mode 12V (±10%) 5V (±5%) Power

Read/Write 340 mA 675 mA 7.4W

Idle 254 mA 195 mA 4W

Standby 6 mA 180 mA 0.97W

Sleep 6 mA 180 mA 0.97W

Operating (2 ms) 30G (read/write), 65G (read)

Non-operating (2 ms)

2-disk models 300G

3- and 4-disk models 250G

Half sine wave measured in 2 ms duration, measured without isolation.

Operating

- Random 0.004 g2/Hz (10 to 300 Hz)

- Linear 20-300 Hz, 0.75G (0 to peak)

Non-operating

- Random 0.05 g2/Hz (10 to 300 Hz)

- Linear 20-500 Hz, 4.0G (0 to peak)

Idle mode 24 dBA

Perfomance seek mode 29 dBA

Quiet seek mode 25 dBA

5 years

Performance Specifications

Data Transfer Rate

Read seek time 58.9 ms (average)

Physical Dimensions

Power Requirements (2-disk)

Buffer to host 3 Gb/s 3

Buffer to disk 84 MB/s sustained 4

Rotational speed IntelliPower

Buffer 16 MB

Drive ready time (2-disk) 11.0 sec (average)

Drive ready time

(3- and 4-disk)

17.0 sec (average)

Load/unload cycles6600,000 minimum

LBA support Yes

Error rate

(non-recoverable) <1 in 1015 bits read

Height 1.028 in (26.1 mm) max

Length 5.787 in (147.0 mm) max

Width 4.0 in (101.6 mm) ± .01 in.

Weight (2-disk) 1.39 lb (0.63 kg) ± 10%

Weight (3-disk) 1.52 lb (0.69 kg) ± 10%

Weight (4-disk) 1.61 lb (0.73 kg) ± 10%

Performance mode 12V (±10%) 5V (±5%) Power

Read/Write 220 mA 700 mA 6W

Idle 180 mA 220 mA 3.3W

Standby 6 mA 180 mA 0.97W

Sleep 6 mA 180 mA 0.97W

1One gigabyte (GB) = one billion bytes. One terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.

2WD hard drive products manufactured and sold worldwide after June 1, 2006, 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.

3Effective maximum SATA 3 Gb/s transfer rate.

4Maximum drive capacity model.

5Read Seek Time=Move Time + Read Settle Time (excluding command overhead & latency).

6 Controlled unload at ambient condition.

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

8 Sound power level.

9The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.

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