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A silver 2.5 inch rectangular SSD with SATA connectors on one end

Western Digital

Western Digital WDS500G2B0A 500GB SATA internal SSD

SKU CH-KMHS-N909K MPN WDS500G2B0A

A 2.5-inch SATA SSD with 500 GB capacity using 3D NAND for sequential reads up to 560 MB/s and writes up to 530 MB/s

  • Total capacity500 GB
  • Sequential read speedUp to 560 MB/s
  • Sequential write speedUp to 530 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Model 500GB

  • Faster boot and load times with sequential reads up to 560 MB/s
  • Responsive multitasking from random reads up to 95,000 IOPS
  • Longer laptop battery life with active power draw up to 25% lower
  • Proven endurance rated at 200 TBW and 1.75M hours MTTF
  • Broad system compatibility verified by WD F.I.T. Lab certification

WD Blue 3D NAND SATA SSD

The WD Blue WDS500G2B0A is a 2.5-inch internal solid-state drive with 500GB capacity. It uses 3D NAND technology and a SATA III interface for consumer desktops and laptops. Sequential reads reach up to 560 MBps and writes up to 530 MBps. The drive is rated for 200 TBW and 1.75M hours MTTF.

Fits 2.5-inch 7mm bays and SATA III ports

This drive installs in standard 2.5-inch drive bays with a 7mm height and connects via a SATA III 6Gb/s port. It requires no additional power cables beyond the SATA power connector. The low active power draw of 52 mW average and idle consumption of 56 mW slumber or 5-7 mW DEVSLP frees up system power budget. WD F.I.T. Lab certification confirms broad compatibility with a wide range of computers.

Sustained workloads within thermal limits

Under sustained load the drive operates within a 0°C to 70°C temperature range. Maximum read power reaches 2,050 mW and maximum write power reaches 3,350 mW. Random performance delivers up to 95,000 IOPS read and 84,000 IOPS write. The 200 TBW endurance rating and 1.75M hours MTTF reflect reliability during continuous operation. Free WD SSD Dashboard software monitors drive health and enables cloning or backup.

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 nameWDS500G2B0A
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
Write endurance200 TB
Ports & slots
Interface typeSATA III
Power
Idle power draw56 mW (Slumber)
5-7 mW (DEVSLP)
Active power draw52 mW (Avg. Active Power)
2,050 mW (Max Read Operating)
3,350 mW (Max Write Operating)
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100.2 mm
Product weight37.4g
Shipping weight0.06 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 is the max write power draw when the WDS500G2B0A runs sustained workloads?

The drive can draw up to 3,350 mW during maximum write operations, which is the peak power figure for sustained heavy use.

How much heat and noise should I expect from this 500 GB SATA SSD during all-day operation?

With no moving parts the drive is silent; typical active power averages 52 mW and idle slumber power is only 56 mW, so heat output stays low inside a laptop or desktop.

What existing interface must my system provide for this 2.5-inch WD Blue drive to work?

Your motherboard or laptop needs a standard SATA III 6 Gb/s port and a 2.5-inch 7 mm drive bay or caddy for the drive to connect and function.

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