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A small rectangular green circuit board with gold edge connectors and black memory chips, labeled WD Blue 250GB

Western Digital

Western Digital WDS250G2B0B Blue 250GB internal SSD

SKU CH-ZE9X-S1893 MPN WDS250G2B0B

A 250 GB M.2 2280 internal SSD using 3D NAND and a SATA interface delivers sequential reads up to 550 MB/s and writes up to 525 MB/s with a 1.75M-hour MTTF rating

  • Total capacity250 GB
  • Sequential read speedUp to 550 MB/s
  • Sequential write speedUp to 525 MB/s
  • Interface typeSATA III
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 250GB M.2

  • Fast boot and app load with sequential reads up to 550 MB/s
  • Responsive multitasking from sequential writes up to 525 MB/s
  • Snappy random access at up to 95,000 read IOPS
  • Long-term reliability backed by 1.75M hours MTTF
  • Low average active power draw of 52 mW extends laptop battery life

WD Blue 3D NAND 250GB M.2 2280 SATA SSD

This Western Digital drive is a 250GB internal solid-state drive built on 3D NAND technology. It uses the SATA III interface in an M.2 2280 form factor. The drive targets everyday computing workloads such as booting an operating system, launching applications and storing documents. Sequential reads reach up to 550 MB/s and sequential writes up to 525 MB/s.

Upgrade from a mechanical hard drive or early SSD

Replacing a traditional 2.5-inch hard drive with this SSD removes moving parts and delivers much faster random access. The jump is worth it when a system feels sluggish during start-up or when opening large files. Random read performance reaches 95,000 IOPS and random write reaches 81,000 IOPS. The 1.75M hour MTTF and 100 TBW rating indicate a durable step up from older storage.

Fits any M.2 2280 SATA slot with low power draw

The drive slots directly into a motherboard or laptop M.2 key-M socket wired for SATA. It draws 52 mW average active power and as little as 5-7 mW in DEVSLP idle state. This low consumption helps extend battery life in portable machines. WD F.I.T. Lab certification confirms broad compatibility. Free downloadable software adds drive monitoring and cloning tools.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $43.99
Cheaper than about 92% of the 1,994 comparable items (median $180.49).
Total capacity 250 GB
Lower than about 84% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 550 MB/s
Lower than about 70% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $175.96 per TB
Typical for this category: the median of 1,362 items is $165.50 per TB.

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Specifications

Product
Brand nameWestern Digital
Product lineBlue
Model nameWDS250G2B0B
Total capacity250 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 550 MB/s
Sequential write speedUp to 525 MB/s
Random read (4K)Up to 95,000 IOPS
Random write (4K)Up to 81,000 IOPS
Storage
NAND flash type3D NAND
Ports & slots
Interface typeSATA III
Power
Idle power draw56 mW (Slumber)
5-7 mW (DEVSLP)
Active power draw52 mW (Avg. Active Power)
2,200 mW (Max Read Operating)
2,250 mW (Max Write Operating)
Size & build
Form factorM.2 2280
Overall height2.38 mm
Overall width22 mm
Product depth80 mm
Product weight7g
Shipping weight0.05 kg
Package size124 × 102 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
Max shock tolerance1,500G @ 0.5 msec half sine
Vibration toleranceOperating: 5.0 gRMS, 10-2000 Hz
Non-operating: 4.9 gRMS, 7-800 Hz
More details
Mean time to failureUp to 1.75M hours

Other versions of this model

5 more in the same range

Questions about this item

What motherboard slot and length does the M.2 2280 form factor require?

The drive fits a standard M.2 2280 slot, meaning it needs an M.2 key‑M or key‑B socket that accepts 80 mm long modules.

How is the WD Blue 250GB SSD installed, and what step do builders often miss?

Insert the drive at an angle into the M.2 socket, press it flat, and secure it with the single mounting screw; many forget to fasten that screw, leaving the drive unsecured.

What software maintenance does the drive need over its life?

Download the free WD Dashboard to monitor SMART health, track the 100 TBW endurance rating, and apply firmware updates when released.

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