Western Digital WDS250G2B0C User Manual

PRODUCT BRIEF

Product Highlights

• Boost your system’s performance with next-gen
NVMe SSDs

• Up to 4 times faster than SATA SSDs

• Slimline M.2 2280 form factor

• Western Digital®-designed controller and
firmware for optimized performance

• Western Digital SSD Dashboard10 constantly
monitors the health of your SSD

WD BlueTM SN550 NVMeTM SSD

Put NVMe Power at the Heart of Your PC

Put NVMe™ power at the heart of your PC for lightning-fast, ultra­responsive performance. The WD Blue™ SN550 NVMe™ SSD can deliver
up to 4 times the speed of SATA SSDs. Whether you’re working,
creating, casually gaming, or processing large amounts of data, take
advantage of this powerful internal drive’s high speeds to do more,
faster. Available in capacities up to 2TB2 in an affordable M.2 2280 form
factor, there’s no time like now to make the change to NVMe.

The Right Storage for Your Next PC

NVMe goes mainstream with a powerful, cost-effective storage solution that adds to
the reliability of an SSD.

Boost Your Performance

Get breakneck sequential read speeds up to 2,600 MB/s3 to improve your productivity
no matter what you’re doing or creating.

Think Small

Build powerful small-form factor PCs with a slim single-sided M.2 2280 PCIe® Gen3 x4
NVMe SSD.

Do More With Less

Scalable NVMe hardware, accelerated architecture for high performance and low
power draw.

Do More, Faster

Western Digital-designed controller and firmware paired with our latest 3D NAND for
optimized, consistent performance.

Continuing the Legacy

Thousands of hours of hardware, firmware and validation testing combine to advance
the award-winning WD Blue heritage of quality and reliability.

WD Blue™ SN550 NVMe™ SSD

PRODUCT BRIEF

Specifications

Interface M.2 22801 PCIe Gen3 8 Gb/s, up to 4 Lanes

2

Formatted Capacity

Performance³ 250GB 500GB

Sequential Read (MB/s) up to 2,400 2,400

Sequential Write (MB/s) up to 950 1,750

Random Read 4KB IOPS up to 170K 300K

Random Write 4KB IOPS up to 135K 240K

Endurance (TBW)⁴ 150 300

Power

Average Active Power⁵ 75 75

Low Power (PS3)

Sleep (PS4) (low power)

Maximum Operating Power 3.5W 3.5W

Reliability

MTTF6 1.7 1.7

Environmental

Operating Temperatures

Non-operating Temperatures

Operating Vibration 5.0 gRMS, 10–2000 Hz, 3 axes 5.0 gRMS, 10–2000 Hz, 3 axes

Non-Operating Vibration 4.9 gRMS, 7–800 Hz, 3 a xes 4.9 gRMS, 7–800 Hz, 3 axes

Shock 1,500 G @ 0.5 msec half sine 1,500 G @ 0.5 msec half sine

Certifications

Limited Warranty

Physical Dimensions

Form Factor M.2 2280 M.2 2280

Length 80 ± 0.15mm 80 ± 0.15mm

Width 22 ± 0.15mm 22 ± 0.15mm

Height 2.38mm 2.38mm

Weig ht 6.5g ± 1g 6.5g ± 1g

250GB, 500GB, 1TB, 2TB

5

5

7

8

BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco,

9

5 years 5 years

-67°F to 18 5°F (-55°C to 85°C) -67°F to 18 5°F (-55°C to 85°C)

30mW 30mW

5mW 5mW

32°F to 158°F (0°C to 70°C) 32°F to 158°F (0°C to 70°C)

RCM, TUV, UL, VCCI

BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco,

RCM, TUV, UL, VCCI

Ordering Information

Model Number WDS250G2B0C WDS500G2B0C

¹ Back wards co mpatible wit h PCIe Ge n3 x2, PC Ie Gen2 x 4, PCIe G en2 x2, a nd PCIe G en2 x1.
² 1TB=1, 000,000,000,000 bytes. 1GB=1,000,000,000 bytes. Actual user storage less.
³ Test Conditions: Pe rformance is based on the Cr ysta lDisk Mark 6.0. 2 benchmark u sing a 100 0MB LBA range ASUS Z270A desk top with Intel ® i7–7700K 3.4 GHz, 8GB 2133MHz D DR4. Wi ndows 10

Pro 64-bit 19H1 usin g Micros oft Sto rNVMe driver, seco ndar y drive. Perfo rmance may var y base d on host device. 1 M B = 1,000,000 bytes. IOPS = inp ut/outpu t oper ations per second.
⁴ TBW (teraby tes wri tten) values ca lculated using JEDEC clie nt work load (J ESD219) and vary by product capac ity.
⁵ Measured using the MobileMa rk™ 2014 on ASU S B9440UA WI TH I5–7200U, 8G B RAM. Windows 10 Pro 64-bit 19H1 usin g Micros oft Sto rNVMe dr iver, Prim ary drive.
⁶ MTTF = Mean Ti me To Failure ba sed on internal testin g using Telco rdia st ress pa rt tes ting (Telcordia SR-332, GB, 25°C). MT TF is based on a sam ple population and is estim ated by st atistical

measurement s and acceleration al gorithms. MTTF do es not pre dict an individual drive’s reliabili ty and d oes not constitute a warrant y.
⁷ Operational temperature is measured by an on board temperature sensor.
⁸ Non-operational storage temperature does not guarantee data retention.
⁹ 5 years or M ax Endurance (TBW) lim it, whichever occurs fir st. See support.wdc.com/warranty for region al specific war ranty detai ls.

10

Available for dow nload at www.westerndigital.com.