WD BlueTM SN550 NVMeTM SSD

WD BlueTM SN550 NVMeTM SSD 

Put NVMeTM 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 over 4 times the speed of our best 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 1TB* 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 2,400 MB/s** 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

Product Highlights 

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

• Over 4 times faster than our SATA 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.

WD Blue SN550 NVMe SSD 

Product Features and Specifications 

Specification 

-Interface M.2 22801

PCIe Gen3 8 Gb/s, up to 4 Lanes 

-Formatted Capacity 

250GB, 500GB, 1TB 

Performance³
250GB
500GB
1TB
Sequential Read (MB/s) up to
2,400
2,400
2,400
Sequential Write (MB/s) up to
950
1,750
1,950
Random Read 4KB IOPS up to 
170K
300K
410K
Random Write 4KB IOPS up to
135K
240K
405K
Endurance (TBW)?
150
300
600
Power



Average Active Power?
75
75
75
Low Power (PS3)?
20mW
20mW
20mW
Sleep (PS4) (low power)?
5mW
5mW
5mW
Maximum Operating Power
3.5W
3.9W
4.9W

Reliability



MTTF3 
1.7M
1.7M
1.7M
Environmental



Operating Temperatures
32°F to 158°F (0°C to 70°C)
32°F to 158°F (0°C to 70°C)
32°F to 158°F (0°C to 70°C)
Non-operating Temperatures
-67°F to 185°F (-55°C to 85°C)
-67°F to 185°F (-55°C to 85°C)
-67°F to 185°F (-55°C to 85°C)
Operating Vibration
5.0 gRMS, 10–2000 Hz, 3 axes 
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 axes
4.9 gRMS, 7–800 Hz, 3 axes
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
1,500 G @ 0.5 msec half sine
Certifications
BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI
BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI
BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI
Limited Warranty
5 years
5 years
5 years
Physical Dimensions



Form Factor 
M.2 2280
M.2 2280
M.2 2280
Length
 80 ± 0.15mm
 80 ± 0.15mm
 80 ± 0.15mm
Width
22 ± 0.15mm
22 ± 0.15mm
22 ± 0.15mm
Height
2.38mm
2.38mm
2.38mm
Weight 
6.5g ± 1g
6.5g ± 1g
6.5g ± 1g
Ordering Information



Model Number
WDS250G2B0C
WDS500G2B0C
WDS100T2B0C