WD WDS100T1R0B, WDS100T1R0A, WDS400T1R0A, WDS500G1R0A, WDS200T1R0A Product Data Sheet
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WD Red™ SA500 SSD
PRODUCT BRIEF
Highlights
• Storage optimized for
caching in NAS systems to
rapidly access your most
frequently used files.
• Superior endurance can
handle the heavy read and
write loads demanded
by NAS, giving you the
reliability you need in a
24/7 environment.
• Reduces latency and
improves responsiveness
for OLTP databases, multiuser environments, photo
rendering, 4K and 8K video
editing, and more.
• Available in 2.5” and M.2
form factors to fit the slots
in modern NAS systems.
• Capacities from 500GB up
to 4TB* (2.5” only) gives you
the flexibility to customize
your NAS to meet your most
demanding storage needs.
NAS SDD
Supercharge Your NAS
Boost your NAS system’s performance and responsiveness with the WD Red™ SA500 NAS SATA SSD.
Since your NAS system is always on, a reliable drive is essential. Unlike standard SSDs, WD Red NAS
SATA SSDs are specifically designed and tested for 24/7 usage. This durability together with efficient
caching of big files make these drives ideal for OLTP databases, multi-user environments, photo
rendering, 4k and 8k video editing and other demanding applications. With 2.5” and M.2 form factors
and capacities from 500GB up to 4TB* (2.5” only), the WD Red SA500 NAS SATA SSD lets you optimize
your existing or next NAS system for superior performance and endurance.
Access Big Files Fast
WD Red™ SA500 NAS SATA SSD storage is optimized for caching in NAS systems to rapidly access
your most frequently used content.
Give It Your Tough Workloads
WD Red™ SSD’s superior endurance can handle the heavy read and write loads demanded by NAS,
giving you the reliability you need in a 24/7 environment.
Work More Efficiently
Purpose-built for NAS with proven Western Digital® 3D NAND, the WD Red™ SSD delivers maximum
SATA performance to boost your productivity and effectiveness at home or in the office.
Use it for Your Demanding Applications
The drive reduces latency and improves responsiveness for OLTP databases, multi-user environments,
photo rendering, 4K and 8K video editing, and more.
Customize Your NAS System
The WD Red™ SSD comes in 2.5” and M.2 form factors so you can upgrade your existing NAS system
or design a new one from scratch..
Build With Flexibility
Customize your NAS to meet your most demanding storage needs with capacities ranging from 500GB
up to 4TB* (2.5” only).
PRODUCT BRIEF
WD Red™ SA500 NAS SATA SSD Product Features and Specifications
Form Factor 2.5”/7mm cased, M.2 2280
Interface SATA III 6 Gb/s
Size and Weight 2.5”/7mm cased: 500GB: 100.2mm x 69.85mm x 7.00mm @ 37.4g
M.2 2280: 500GB: 80.00mm x 22.00mm x 2.38mm @ 7 ± 1g
1TB: 100. 2mm x 69.85mm x 7.00mm @ 37.4g
2TB: 100. 2mm x 69.85mm x 7.00mm @ 57.9g
4TB: 100.2mm x 69.85mm x 7.00m m @ 57.9g
1TB: 80.00mm x 22.00mm x 2.38mm @ 7 ± 1g
2TB: 80.00mm x 22.00mm x 2.38mm @ 7 ± 1g
Formatted Capacity
Form Factor 2.5"/7mm
Form Factor M.2 2280
500GB
WDS500G1R0A
WDS500G1R0B
1TB
WDS100T1R0A
WDS100T1R0B
2TB
WDS200T1R0A
WDS200T1R0B
4TB
WDS400T1R0A
Performance
Sequential Read up to (MB/s) 560 560 560 560
Sequential Write up to (MB/s) 530 530 530 530
Random Read up to (IOPS) 95K 95K 95K 95K
Random Write up to (IOPS) 85K 85K 85K 82K
Endurance (TBW) 350 600 1300 2500
Power
Average Active Power (mW) 52 60 60 60
Max. Read Operating (mW) 2,050 2,550 3,000 3,000
Max. Write Operating (mW) 3,350 3,750 3,800 3,800
Slumber (mW) 56 56 56 56
DEVSLP (mW ) 5–7 5–12 5–12 5–1 2
Reliability
MTTF (M hours) Up to 2M Up to 2M Up to 2M Up to 2M
Uber 1E10^17 1E10^17 1E10^17 1E10^17
Environmental
Operating Temperatures 0°C to 70° C
Non-Operating Temperatures -55°C to 85°C
Operating Vibration 5.0 gRMS, 10–2000 Hz
Non-Operating Vibration 4.9 gRMS, 7–800 Hz
Shock 1,500 G @ 0.5 msec half sine
Certifications 500GB-2TB: FCC, UL, TUV, KC, BSMI, VCCI
Limited Warranty
Back wards compatible to SATA 3 Gb/s and SATA 1.5 Gb/s.
As used fo r storage ca pacity, one me gabyte (MB) = one million bytes, one gigabyte (GB)
= one billion bytes, and one teraby te (TB) = one trillion bytes. Total a ccessible capacity
varies depending on operating environment. As used for buffer or cache, one megabyte
(MB) = 1,048,576 bytes. As used fo r transfer r ate or interf ace, megaby te per secon d
(MB/s) = one million bytes per second, and gigabit per seco nd (Gb/s) = one billion bits
per second. Effec tive maxim um SATA 6 Gb/s transfer r ate calcula ted accordin g to the
Serial ATA specif ication pu blished by th e SATA-IO organi zation as of the date of this
specification sheet. Visit www.sata-io.org for details.
Measured using CrystalDiskMark, 1000MB LBA range, on D esktop wit h Intel Z77 chipset,
Windows 8 with Intel iRST version 11.7.0.1013, secon dary drive Lenovo X240 wi th Intel®
Core i5–4300U, 4GB R AM, Windows 8.1 up date1 x64, Intel RST 12.8.10.1005. Performance
may var y based on hos t device. 1 MB = 1,00 0,000 bytes. IO PS = input/output operations
per second.
TBW (teraby tes writte n) values calculated using JEDEC client wor kload (JESD219) and vary
by product capacity.
Measured using the Mo bileMark™ 2012 benchmar k with DIPM (Dev ice Initiate d Power
Management) enabled.
MTTF = Mean Time To Failure based on inter nal testin g using Telcordia s tress par t testing.
See http://support.WesternDigital.com for regional specific warranty details.
4TB: FCC, UL, TUV, KC, BSMI, VCCI, Morocco
5 years
5601 Great Oaks Parkway
San Jose, CA 95119, USA
US (Toll-Free): 80 0.801.4618
International: 408.717.6000
www.westerndigital.com
© 2019 Western Di gital Corpora tion or its af filiates. All rig hts reserved . Western Digita l, the Western Digit al logo, and WD Red are re gistered trad emarks or
tradem arks of Western Digi tal Corporati on or its affilia tes in the U.S. and/or othe r countries. Al l other marks are th e property o f their respec tive owners. Pic tures
shown may va ry from actual p roducts. Refe rences in this pub lication to Weste rn Digital pro ducts, program s, or services do n ot imply that they wi ll be made availab le
in all coun tries. Produc t specificatio ns provided are sa mple specificat ions that are subje ct to change and do no t constitute a warr anty. Please visit o ur website,
http://www.westerndigital.com for additional information on product specifications.
02–01-WW-04– 00048-A01 January 2020
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