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Green circuit board with gold edge connector and black controller chip

Western Digital

Western Digital WDS250G2B0C 250GB internal SSD

SKU CH-1T5B-MK73X MPN WDS250G2B0C

A 250GB M.2 2280 NVMe SSD with PCI-Express 3.0 x4 interface delivering up to 2400 MBps sequential read and 950 MBps write speeds for faster system responsiveness

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity250GB
  • Memory Components3D NAND
  • InterfacePCI-Express 3.0 x4

Options 250GB

  • Sequential reads up to 2400 MBps speed up boot and load times
  • Sequential writes up to 950 MBps accelerate file saves and installs
  • Random reads up to 170000 IOPS sharpen multitasking responsiveness
  • 150 TBW endurance rating supports heavy daily workloads
  • 7M hour MTTF underlines long-term reliability

What the Blue SN550 NVMe is

This internal SSD uses a PCI-Express 3.0 x4 interface and 3D NAND to deliver 250GB of consumer storage. It suits builders who want faster boot and load times without moving to a higher-priced tier. The single-sided M.2 2280 form factor fits most modern motherboards and compact laptops. No moving parts means silent operation and better shock resistance.

Build, connectors and daily use

The drive draws 3.5W active, 30 mW in low-power PS3 and 5 mW in sleep PS4, keeping thermals modest inside thin chassis. It operates from 0°C to 70°C and survives storage from -55°C to 85°C. A Western Digital-designed controller and firmware handle wear levelling and error correction. The SSD Dashboard utility monitors health and available spare blocks over the 1.7M-hour MTTF rating.

The spec that decides fit

Sequential read reaches 2400 MBps and write reaches 950 MBps, while 4KB randoms hit 170000 read and 135000 write IOPS. Endurance is rated at 150TB written. If your workload stays within these throughput and endurance bounds, the drive will serve well as a primary OS and application volume.

Points forts

  • Sequential reads up to 2400 MBps speed up boot and load times
  • Sequential writes up to 950 MBps accelerate file saves and installs
  • Random reads up to 170000 IOPS sharpen multitasking responsiveness
  • 150 TBW endurance rating supports heavy daily workloads
  • 7M hour MTTF underlines long-term reliability

Caractéristiques

BrandWestern Digital
SeriesBlue SN550 NVMe
ModelWDS250G2B0C
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity250GB
Memory Components3D NAND
InterfacePCI-Express 3.0 x4
Max Sequential ReadUp to 2400 MBps
Max Sequential WriteUp to 950 MBps
4KB Random ReadUp to 170,000 IOPS
4KB Random WriteUp to 135,000 IOPS
Terabytes Written (TBW)150TB
MTTF1.7M hours
FeaturesThe 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 lat
Power Consumption (Idle)PS3 (Low Power): 30 mW
PS4 (Sleep): 5 mW
Power Consumption (Active)3.5W
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Max Shock Resistance1,500G @ 0.5 ms half sine
Max Vibration ResistanceOperating: 5 gRMS, 10-2000 Hz, 3 axes
Non-operating: 4.9 gRMS, 7-800 Hz, 3 axes
Height2.38mm
Width22.00mm
Depth80.00mm
Weight6.50g
Poids d’expédition0.04 kg
Dimensions du colis127 × 100 × 3 mm

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Questions sur cet article

What speeds does the PCI-Express 3.0 x4 interface cap at for this drive?

The drive reaches up to 2400 MBps sequential read and 950 MBps sequential write over the PCIe 3.0 x4 link.

What slot and physical size does the M.2 2280 form factor require?

It needs an M.2 key-M slot that accepts a 22 mm wide, 80 mm long single-sided module.

How do you install the SSD and which step is often missed?

Insert the drive at an angle into the M.2 slot, press flat and secure with the motherboard screw; many forget the screw and leave the drive unsecured.

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