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Rectangular green M.2 2280 SSD with gold edge connector and black label

Western Digital

Western Digital WDS500G2B0B 500GB SATA internal SSD

SKU CH-1T3N-1VK9K MPN WDS500G2B0B

M.2 2280 SATA solid-state drive with 500 GB of 3D NAND storage, sequential reads up to 560 MB/s and writes up to 530 MB/s, plus 1.75 million-hour MTTF for long-term reliability

  • Total capacity500 GB
  • Sequential read speedUp to 560 MB/s
  • Sequential write speedUp to 530 MB/s
  • Interface typeSATA III
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 500GB M.2

  • Fast boots and loads with sequential read up to 560 MB/s
  • Quick file saves with sequential write up to 530 MB/s
  • Snappy multitasking from 95,000 IOPS random read
  • Long-term reliability with 1.75M hours MTTF and 200 TBW endurance
  • Low power draw at 52 mW average active for cooler laptops

SATA III M.2 2280 500GB SSD

The Western Digital WD Blue WDS500G2B0B is a 500GB internal solid-state drive built with 3D NAND technology. It connects through a SATA III 6Gb/s interface in the M.2 2280 form factor. Sequential reads reach up to 560 MB/s and writes up to 530 MB/s, while random 4KB performance hits 95,000 read IOPS and 84,000 write IOPS.

Suits SATA M.2 slots and modest capacity needs

This drive fits laptops and desktops that provide a SATA-based M.2 socket and want a 500GB capacity boost. It is rated for 1.75M hours MTTF and 200 TBW, with active power averaging 52mW and idle as low as 5-7mW in DEVSLP. Systems limited to PCIe-only M.2 slots or those requiring higher throughput should consider a different interface.

Fits a SATA M.2 socket and frees a 2.5 bay

Installation requires a motherboard or laptop with an M.2 2280 slot wired for SATA signalling. The stick layout leaves the traditional 2.5-inch bay empty for additional storage. Free downloadable software supports drive monitoring, cloning and backup. Operating temperature spans 0°C to 70°C, and shock resistance is rated at 1500G.

How it compares

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

Price $63.99
Cheaper than about 85% of the 1,994 comparable items (median $180.49).
Total capacity 500 GB
Lower than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 560 MB/s
Lower than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $127.98 per TB
Cheaper than about 69% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineBlue
Model nameWDS500G2B0B
Total capacity500 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 560 MB/s
Sequential write speedUp to 530 MB/s
Random read (4K)Up to 95,000 IOPS
Random write (4K)Up to 84,000 IOPS
Storage
NAND flash type3D NAND
Ports & slots
Interface typeSATA III
Power
Idle power draw56mW (Slumber)
5-7mW (DEVSLP)
Active power draw52mW (Avg. Active Power)
2,050mW (Max Read Operating)
3,350mW (Max Write Operating)
Size & build
Form factorM.2 2280
Overall height2.38 mm
Overall width22 mm
Product depth80 mm
Product weight7g
Shipping weight0.04 kg
Package size135 × 102 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
Max shock tolerance1500G @ 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

Will this M.2 drive fit a laptop that only has a SATA M.2 slot?

Yes, the drive uses the M.2 2280 form factor and a SATA III interface, so it fits laptops with a SATA M.2 slot.

Does the 500 GB capacity leave enough space for Windows and common applications?

The 500 GB capacity provides ample room for the operating system, everyday programs and a good selection of personal files.

What software tools are included to help set up the new drive?

Free downloadable software is available to monitor drive health, clone an existing drive or back up your data.

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