Western Digital WD10EFRX, WD20EFRX, WD30EFRX User Manual
™
WD Red
NAS Hard Drives
WD Red is the only hard drive designed for NAS systems
that have 1-5 drive bays. The drives are designed and
extensively tested for compatibility in the unique 24x7
operating environment and demanding system requirements
of home and small office NAS.
INTERFACE
SATA 6 Gb/s
MODEL NUMBERS
WD30EFRX
WD20EFRX
WD10EFRX
Product Features
NAS compatibility
WD eliminates the confusion.
WD Red is the only hard drive
designed for NAS systems that
have 1 to 5 drive bays. The drives
are designed and extensively tested
for compatibility in the unique 24x7
operating environment and
demanding system requirements of
home and small business NAS.
Enhanced reliability
With a 35% MTBF improvement
over standard desktop drives, the
WD Red drive is designed and
manufactured to be a more reliable
and robust solution.
WIDTH/HEIGHT
3.5-inch/1-inch
The secret is in the
technology–NASware
Advanced firmware technology built
into every WD Red drive, enables
seamless integration, robust data
protection and optimal performance
for systems operating in NAS and
RAID environments.
™
Energy efficient
Innovative technology reduces
power consumption and lowers the
operating temperature, resulting in a
more reliable and affordable solution
for always on 24x7 NAS
environments.
ROTATIONAL SPEED
IntelliPower™
3D Active Balance Plus
Our enhanced dual-plane balance
control technology significantly
improves the overall drive
performance and reliability. Hard
drives that are not properly
balanced may cause excessive
vibration and noise in a multi-drive
system, reduce the hard drive life
span, and degrade the performance
over time.
CAPACITIES
1 TB to 3 TB
Note: Not all products may be
available in all regions of the world.
Longer warranty coverage
The WD Red drive is backed by a
3-year limited warranty for greater
peace of mind.
Premium support
Exclusively for WD Red drive
customers, free dedicated 24x7
support line.*
* Support outside of normal business hours is available in
English only. Go to http://support.wdc.com for further
details.
Applications
WD Red NAS hard drives are recommended for use in home and small office 1-5 bay NAS systems. For systems that use more than 5 bays or are rack mount
solutions, please consider WD enterprise hard drives.*
* WD hard drives are designed and tested for use in specific applications and environments. This ensures that your hard drive is compatible with and functions properly in your application. Our
hard drives are warranted against defects in materials and workmanship in the system for which they were designed. Use in systems other than for what the hard drive was designed could
result in compatibility problems that affect proper function, unrelated to material and/or workmanship defects. For best results, be sure to select the appropriate product for your application
by consulting our product spec sheets on our website at www.wd.com or by calling our customer support line where we would be happy to help you through the selection process.
The WD Advantage
WD puts our products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently meet the
highest quality and reliability standards of the WD brand. WD also has a detailed Knowledge Base with more than 1,000 helpful articles as well as helpful software
and utilities. Our customer support lines have longer operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are
here to help or you can access our WD Support site for additional details.
WD Red
™
Specifications
1
3 TB 2 TB 1 TB
Model number WD30EFRX WD20EFRX WD10EFRX
Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
Formatted capacity 3,000,592 MB 2,000,398 MB 1,000,204 MB
User sectors per drive 5,860,533,168 3,907,029,168 1,953,525,168
Advanced Format (AF) Yes Yes Yes
SATA latching connector Yes Yes Yes
Form factor 3.5-inch 3.5-inch 3.5-inch
RoHS compliant
2
Yes Yes Yes
Performance
Data transfer rate
Buffer to host (max)
Host to/from drive (typical)
Cache (MB) 64 64 64
Rotational speed (RPM)
Reliability/Data Integrity
Load/unload cycles
Non-recoverable read errors
per bits read
MTBF (hours)
5
Limited warranty (years)
3
4
6
6 Gb/s
145 MB/s
6 Gb/s
145 MB/s
6 Gb/s
150 MB/s
IntelliPower IntelliPower IntelliPower
600,000 600,000 600,000
<1 in 10
14
<1 in 10
14
<1 in 10
14
1,000,000 1,000,000 1,000,000
333
Power Management
12VDC (A, peak) 1.73 1.73 1.20
Average power requirements (W)
Read/write
Idle
Standby
Sleep
Environmental Specifications
Temperature (°C, on the base casting)
Operating
Non-operating
Shock (Gs)
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (1 ms)
Average acoustics (dBA)
Idle mode
Seek mode
8
4.4
4.1
0.6
0.6
7
0 to 70
-40 to 70
30
65
250
23
24
4.4
4.1
0.6
0.6
0 to 70
-40 to 70
30
65
250
23
24
3.7
3.2
0.6
0.6
0 to 70
-40 to 70
30
65
350
21
22
Physical Dimensions
Height (in./mm, max) 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
Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6
Weight (lb./kg, ± 10%) 1.40/0.64 1.32/0.60 0.99/0.45
1
As used for storage capacity, one megabyte (MB) = one million bytes, on e 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, mega byte per second (MB/s) = one million bytes per second, and gigabit per second (Gb/s) = one billion bits per second. Effective maximum SATA 6 Gb/s transfer rate calculated according to the Serial ATA specification published by the SATAIO organization as of the date of this specification sheet. Visit www.sata-io.org for details.
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 RoHS Directive 2011/65/EU.
3
A fine-tuned balance of spin speed, transfer rate and caching algorithms designed to deliver both significant power savings and solid performance. For each drive model, WD may use a differe nt, invariable RPM.
4
Controlled unload at ambient condition.
5
Based on a typical NAS product environment under normal operating conditions.
6
The term of the limited warranty may vary by region. Visit http://support.wdc.com/warranty for details.
7
No non-recoverable errors during operating tests or after non-operating tests.
8
Sound power level.
WD Red is part of WD’s complete lineup of internal hard drives.
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3355 Michelson Drive, Suite 100
Irvine, California 92612
U.S.A.
Learn more about WD Red hard drives
WD Blue
Desktop Hard Drives
for everyday computing.
™
For service and literature:
http://support.wdc.com
www.wd.com
800.ASK.4WDC
(800.275.4932)
800.832.4778 Spanish
+800.6008.6008 Asia Pacific
00800.27549338 Europe
+31.880062100 Europe/Middle East/Africa
WD Red premium support
855.55.WDRED
(855.559.3733)
+800.55593733 Europe/Middle East/Africa
North America
(toll free where available)
North America
Asia Pacific
WD Green
Desktop Hard Drives
for energy efficient applications.
™
Western Digital, WD, and the WD logo are registered trademarks in the U.S. and other countries; and
WD Blue, WD Green, WD Black, WD Red, NASware, 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.
© 2012 Western Digital Technologies, Inc. All rights reserved.
WD Black
Desktop Hard Drives
™
.for performance users
WD Red
NAS Hard Drives
for home and small office NAS systems.
™
Canada ICES-003 Class B / NMB-003 Classe B
2879-771442-A02 Aug 2012
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