Western Digital Computer Drive WD10EARS User Manual

®
WD Caviar Green  
Desktop Hard Drives  
As hard drive capacities increase, the power required to run  
those drives increases as well. WD Caviar Green drives  
make it possible for energy-conscious customers to build  
systems with higher capacities and the right balance of  
system performance, ensured reliability, and energy  
conservation.  
INTERFACE  
WIDTH/HEIGHT  
ROTATIONAL SPEED  
CAPACITIES  
SATA  
3.5-inch/1-inch  
IntelliPower™  
750 GB to 3 TB  
MODEL NUMBERS  
WD30EZRX  
WD30EZRSDTL  
WD25EZRX  
WD25EZRSDTL  
WD20EARX  
WD20EARS  
WD7500AARX  
WD7500AARS  
WD7500AADS  
Note: Not all products may be  
available in all regions of the world.  
WD15EARX  
WD15EARS  
WD10EARX  
WD10EARS  
Product Features  
Massive capacity  
Cool and quiet  
IntelliPower  
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.  
WD Caviar Green SATA drives now  
deliver up to 3 TB of storage on a  
single drive.  
Drives with WD GreenPower  
Technology™ yield lower operating  
temperatures for increased reliability  
and low acoustics for ultra-quiet PCs  
and external drives.  
A fine-tuned balance of spin speed,  
transfer rate, and caching algorithms  
designed to deliver both significant  
power savings and solid performance.  
Additionally, WD Caviar Green drives  
consume less current during startup  
allowing lower peak loads on systems  
as they are booted.  
Reduced power consumption  
WD has reduced power consumption  
making it possible for our energy-  
Perfect for external drives  
Advanced Format (AF)  
conscious customers to build systems External drive manufacturers can  
Technology being adopted by WD and  
other drive manufacturers as one of  
multiple ways to continue growing  
hard drive capacities. AF is a more  
efficient media format that enables  
increased areal densities. (RX, RS, and  
RSDTL models only)  
with higher capacities and the right  
balance of system performance,  
ensured reliability, and  
eliminate the need for a fan in a  
high-capacity product with a  
WD Caviar Green drive, the coolest  
and quietest in its class.  
IntelliSeek™  
Calculates optimum seek speeds to  
lower power consumption, noise,  
and vibration.  
energy conservation.  
Applications  
Desktop PCs, high capacity external storage, and NAS.  
Desktop / Consumer RAID Environments - WD Caviar Green Hard Drives are tested and recommended for use in consumer-type RAID applications (RAID-0 /  
RAID-1).  
- Business Critical RAID Environments – WD Caviar Green Hard Drives are not recommended for and are not warranted for use in RAID environments utilizing Enterprise HBAs and/or  
expanders and in multi-bay chassis, as they are not designed for, nor tested in, these specific types of RAID applications. For all Business Critical RAID applications, please consider WDs  
Enterprise Hard Drives that are specifically designed with RAID-specific, time-limited error recovery (TLER), are tested extensively in 24x7 RAID applications, and include features like  
enhanced RAFF technology and thermal extended burn-in testing.  
 
WD Caviar Green  
1.5 TB  
1.5 TB  
1 TB  
1 TB  
750 GB  
750 GB  
750 GB  
Specifications  
Model number  
WD15EARX  
SATA 6 Gb/s  
1,500,301 MB  
2,930,277,168  
Yes  
Yes  
3.5-inch  
Yes  
WD15EARS  
SATA 3 Gb/s  
1,500,301 MB  
2,930,277,168  
Yes  
Yes  
3.5-inch  
Yes  
WD10EARX  
SATA 6 Gb/s  
1,000,204 MB  
1,953,525,168  
Yes  
Yes  
3.5-inch  
Yes  
WD10EARS  
SATA 3 Gb/s  
1,000,204 MB  
1,953,525,168  
Yes  
Yes  
3.5-inch  
Yes  
WD7500AARX  
SATA 6 Gb/s  
750,156 MB  
1,465,149,168  
Yes  
Yes  
3.5-inch  
Yes  
WD7500AARS  
SATA 3 Gb/s  
750,156 MB  
1,465,149,168  
Yes  
Yes  
3.5-inch  
Yes  
WD7500AADS  
SATA 3 Gb/s  
750,156 MB  
1,465,149,168  
No  
Yes  
3.5-inch  
Yes  
Interface  
Formatted capacity  
User sectors per drive  
Advanced Format (AF)  
SATA latching connector  
Form factor  
RoHS compliant  
Performance  
Data transfer rate (max)  
Buffer to host  
Host to/from drive (sustained)  
Cache (MB)  
6 Gb/s  
3 Gb/s  
6 Gb/s  
3 Gb/s  
6 Gb/s  
3 Gb/s  
3 Gb/s  
110 MB/s  
110 MB/s  
110 MB/s  
110 MB/s  
110 MB/s  
110 MB/s  
110 MB/s  
64  
64  
64  
64  
64  
64  
32  
Rotational speed (RPM)  
IntelliPower  
IntelliPower  
IntelliPower  
IntelliPower  
IntelliPower  
IntelliPower  
IntelliPower  
Reliability/Data Integrity  
3
Load/unload cycles  
300,000  
300,000  
300,000  
300,000  
300,000  
300,000  
300,000  
Non-recoverable read errors  
per bits read  
Limited warranty (years)  
<1 in 1014  
<1 in 1014  
<1 in 1014  
<1 in 1014  
<1 in 1014  
<1 in 1014  
<1 in 1014  
4
3
3
3
3
3
3
3
Power Management  
12VDC (A, peak)  
1.75  
1.75  
1.65  
1.65  
1.65  
1.65  
1.65  
Average power requirements (W)  
Read/write  
Idle  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
5.3  
3.3  
0.7  
0.7  
Standby  
Sleep  
5
Environmental Specifications  
Temperature (°C)  
Operating  
Non-operating  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
0 to 60  
-40 to 70  
Shock (Gs)  
Operating (2 ms, read)  
Operating (2 ms, read/write)  
Non-operating (1 ms)  
30  
30  
30  
30  
30  
30  
30  
65  
65  
65  
65  
65  
65  
65  
250  
250  
300  
300  
300  
300  
300  
6
Average acoustics (dBA)  
Idle mode  
24  
29  
25  
24  
29  
25  
23  
27  
24  
23  
27  
24  
23  
27  
24  
23  
27  
24  
23  
27  
24  
Performance seek mode  
Quiet seek mode  
Physical Dimensions  
Height (in./mm, max)  
Length (in./mm, max)  
Width (in./mm, .01 in.)  
Weight (lb./kg, 10%)  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.028/25.4  
5.787/147  
4/101.6  
1.40/0.64  
1.40/0.64  
1.32/0.60  
1.32/0.60  
1.32/0.60  
1.32/0.60  
1.32/0.60  
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-  
2
WD 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.  
3
4
5
6
Controlled unload at ambient condition  
The term of the limited warranty may vary by region. Visit support.wdc.com/warranty for details.  
No non-recoverable errors during operating tests or after non-operating tests.  
Sound power level.  
WD Caviar Green is part of WD’s complete lineup of desktop hard drives.  
For service and literature:  
Western Digital  
3355 Michelson Drive, Suite 100  
Irvine, California 92612  
U.S.A.  
800.ASK.4WDC  
800.832.4778  
North America  
Spanish  
Asia Pacific  
Europe  
+800.6008.6008  
00800.27549338  
(toll free where available)  
Europe/Middle East/Africa  
+31.880062100  
Canada ICES-003 Class B / NMB-003 Classe B  
Western Digital, WD, the WD logo, WD Caviar, and Put Your Life On It are registered trademarks in the U.S. and other countries; and WD Caviar Blue, WD Caviar Green, WD Caviar Black, IntelliSeek,  
IntelliPower, NoTouch, WD GreenPower Technology, 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.  
2879-701229-A21 May 2011  
© 2011 Western Digital Technologies, Inc. All rights reserved.  
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