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WD Blue 250GB SN550 NVMe M.2 2280 SSD

WD Blue SN550 NVMe SSD

Put NVMe Power at the Heart of your PC


Drive Performance Beyond SATA

The WD Blue™ SN550 NVMe™ SSD boosts performance immensely over our high-end SATA SSDs with lightning-fast, ultra-responsive performance. The WD Blue SN550 NVMe SSD allows resellers, system builders and consumers to take advantage of our reliable NVMe storage solution when creating their next PCs. Available in capacities up to 1TB in an M.2 2280 form factor, the WD Blue SN550 NVMe SSD will give your system the boost you need.1

  • Over 4x faster than our SATA SSDs with read speeds up to 2,400 MB/s for ultra-responsive PC performance
  • Boost your system’s performance with next-gen NVMe™ SSDs
  • Slimline M.2 2280 form factor
  • Western Digital designed controller and firmware for optimized performance
  • Western Digital SSD Dashboard constantly monitors the health of your SSD
  • 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 and utilizing PCIe NVMe Gen3 x4 interface.
  • Boost your performance
  • Get breakneck sequential read speeds up to 2,400 MB/s to improve your productivity no matter what you’re doing or creating.
  • Do more with less
  • Scalable NVMe™ hardware and accelerated architecture enable both high performance and low power consumption that maxes out at only 3.5W.




PCIe Gen3 8Gb/s, up to 4 Lanes

Formatted Capacity



Sequential Read MB/s up to (Q=32, T=1) : 2,400

Sequential Write MB/s up to (Q=32, T=1) : 950

Random Read 4KB IOPS up to (Q=32, T=8) : 170K

Random Write 4KB IOPS up to (Q=32, T=8) : 135K

Endurance (TBW) : 150TBW


Average Active Power (mW) : 75mW

Low Power (PS3) (mW) : 20

Maximum Operating Power : 3.5W

Sleep (PS4) (low power) : 5mW


MTTF : 1.7M hours


Operating Temperature : 32ºF to 158ºF (0ºC to 70ºC)

Non-operating Temperature : -67ºF to 185ºF (-55ºC to 85ºC)

Non-Operating Vibration : 4.9 gRMS, 7-800 Hz, 3 axes

Operating Vibration : 5 gRMS, 10-2000 Hz, 3 axes

Maximum Operating Power : 3.5W

Shock : 1,500G @0.5 ms half sine

Certifications : UL, TUV, FCC, BSMI, CE, KCC, RCM, Morocco, VCCI and CAN ICES-3(B)/NMB-3(B)

Physical Dimensions M.2 2280

Form Factor : M.2 2280

Length : 80 ± 0.15mm

Width : 22 ± 0.15mm

Height : 2.38mm

Weight : 6.5g + 1g


5 Years Limited Warranty


Price, feature and specifications are subject to change without notice.


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