WD WDS120G1G0B Specification Sheet
WD Green™ SSD
(Solid State Drive)
For use in laptops and desktop computers, WD Green SSDs offer high
performance and reliability to boost your daily computing activities.
With comprehensive WD F.I.T. Lab™ certification testing, and
available in 2.5 7mm cased or M.2 2280 models, WD Green solid state
drives are compatible with most PCs. The free WD SSD Dashboard
lets you monitor your storage, and when combined with the 3-year
limited warranty, upgrading your digital storage is worry-free.
INTERFACE
SATA III 6 Gb/s
FORM FACTOR
2.5 inch/7mm cased
M.2 2280
Product Features
Improved performance for
everyday computing
Enhance your system with a
WD Green solid state drive and
help improve the performance of
your laptop or desktop computer
for your daily computing needs.
SLC (single-level cell) caching
technology helps boost write
performance in a WD Green SSD to
browse the web, play your favorite
casual games, or simply start up
your system in a flash.
Solid state reliability
Designed without any moving
parts, WD Green SSDs are built to
be lightweight and shock-resistant
to help protect against data loss
if a drive is accidentally bumped
or dropped. Combined with the
comprehensive WD Functional
CAPACITY
120GB – 240GB
Integrity Testing Lab (F.I.T. Lab™)
certification, every WD Green
SSD is tested to ensure it meets
the highest WD brand standards
for digital storage. And with no
moving parts in a WD Green
SSD, you get reliable storage to
withstand normal wear and tear for
years to come.
Less power. More play.
WD Green solid state drives
are among the lowest in power
consumption in the industry. And
with less power used, you can run
your laptop PC for longer periods
of time.
An easy upgrade for your PC
WD Green SSDs are available in a
2.5”/7mm cased model, and an M.2
2280 version to evolve with newer
and smaller computers. With form
factors to accommodate most
laptop and desktop PCs, a
WD Green SSD is ready for the job.
Free WD SSD Dashboard
The downloadable WD SSD
Dashboard provides a suite of tools
so you’re always able to check on
the health of your solid state drive.
Available for free, this WD SSD
Dashboard helps you track things
like disk model, firmware version,
S.M.A.R.T. attributes, or simply find
out how much space you have left
on your WD Green SSD.
3-year limited warranty
Every WD Green SSD comes with a
3-year limited warranty, so you can
be confident of your storage when
you upgrade or replace any of your
drives.
Applications
WD Green SSDs are tested and recommended for use in desktop, all-in-one, and small form-factor PCs.
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 software and utilities. Our customer support lines have long 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 Green™ SSD
Specifications 240GB 120GB
1, 3
4
[4KB QD32]
2
SATA III 6 Gb/s SATA III 6 Gb/s
5
6
80 40
50 50
Up to 1.75M hours Up to 1.75M hours
8
3 years 3 years
Model Numbers
WD Green SSD 2.5”/7mm cased WDS240G1G0A WDS120G1G0A
WD Green SSD M2 2280 WDS240G1G0B WDS120G1G0B
Interface
WD Green SSD 2.5”/7mm cased SATA III 6 Gb/s SATA III 6 Gb/s
WD Green SSD M2 2280
Performance
Sequential Read up to (MB/s) 540 540
Sequential Write up to (MB/s) 465 430
Random Read up to (IOPS) 37k 37k
Random Write up to (IOPS) 68k 63k
Endurance (TBW)
6
Power
Average Active Power (mW)
Max Read Operating (mW) 2000 2000
Max Write Operating (mW) 2500 2000
Slumber (mW) 30 30
DEVSLP (mW) 3 3
Reliability
7
MTTF
Environmental
Operating Temperatures 0°C to 70°C 0°C to 70°C
Non-operating Temperatures -55°C to 85°C -55°C to 85°C
Operating Vibrations 5.0 gRMS, 10–2000 Hz 5.0 gRMS, 10–2000 Hz
Non-operating Vibrations 4.9 gRMS, 7–800 Hz 4.9 gRMS, 7–800 Hz
Shock 1,500 G @ 0.5 msec half sine 1,500 G @ 0.5 msec half sine
Certifications FCC, UL, TUV, KC, BSMI, VCCI FCC, UL, TUV, KC, BSMI, VCCI
Limited Warranty
Physical Dimensions
Size: 2.5”/7mm cased 7.00mm x 69.85mm x 100.50mm 7.00mm x 69.85mm x 100.50mm
Size: M.2 2280 2.23mm x 22.0mm x 80mm 2.23mm x 22.0mm x 80mm
Weight: 2.5”/7mm cased 32.0g, ± 0.5g 32.0g, ± 0.5g
Weight: M.2 2280 ± 6.51g ± 6.46g
Specifications subject to change without notice.
1
Backward compatible to SATA II and I.
2
Not all products may be available in all regions of the world.
3
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 environ-
ment. 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 6 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.
4
Performance is based on the CrystalDiskMark benchmark using a 1000MB LBA range on Gigabyte GA-Z77X-UD5H desktop with Intel Z77 chipset, Intel i7–3770 3.4GHz, 8M, Ivy Bridge, Windows 8 64-bit SP1 using Intel
iRST version 11.7.0.1013, secondary drive, C-state off. Performance may vary based on host device. 1 MB = 1,000,000 bytes. IOPS = input/output operations per second.
5
TBW (terabytes written) values calculated using JEDEC client workload (JESD219) and vary by product capacity.
6
Measured using the MobileMark™ 2012 benchmark with DIPM (Device Initiated Power Management) enabled.
7
MTTF = Mean Time To Failure based on internal testing using Telcordia stress part testing.
8
See http://support.wdc.com for regional specific warranty details.
Western Digital
3355 Michelson Drive, Suite 100
Irvine, California 92612
U.S.A.
For service and literature:
http://support.wdc.com
www.wdc.com
800.ASK.4WDC
(800.275.4932)
800.832.4778 Spanish
+86.21.2603.7560 Asia Pacic
00800.27549338 Europe
+31.880062100 Europe/Middle East/Africa
North America
(toll free where available)
Western Digital, WD, the WD logo, FIT Lab and WD Green are registered trademarks of Western
Digital Corporation or its afliates in the U.S. and/or other countries. All other marks that may be
mentioned herein are the property of their respective owners. Pictures shown may vary from actual
products. Product specications subject to change without notice.
© 2016 Western Digital Corporation or its afliates. All rights reserved.
CAN ICES-3 (B) / NMB-3 (B)
2879-800083-A01 Oct 2016
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