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Rectangular 2.5 inch SSD with blue label and silver metal casing

Western Digital

Western Digital WDS200T2B0A Blue 2TB 2.5" SATA internal SSD

SKU CH-SP2W-2PE6N MPN WDS200T2B0A

2.5 inch SATA SSD with 2TB capacity, 3D NAND, sequential read up to 560 MBps and write up to 530 MBps, 500 TBW endurance and 1.75M hours MTTF

  • Total capacity2 TB
  • 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 2TB

  • 2TB capacity for large files and games
  • Sequential reads up to 560 MB/s for fast boot and load times
  • Sequential writes up to 530 MB/s for quick file saves and installs
  • 75M hours MTTF plus 500TB written endurance for long-term reliability
  • Low idle power at 56mW and 5-12mW DEVSLP to extend laptop battery life

WD Blue 2TB SATA SSD for consumers

The Western Digital WDS200T2B0A is a 2TB internal solid-state drive built with 3D NAND technology for consumer workloads. It connects through a SATA III interface and fits the standard 2.5-inch form factor. Sequential read reaches 560 MBps and sequential write reaches 530 MBps, while random performance delivers 95,000 IOPS read and 84,000 IOPS write. The drive is rated for 500 TBW and an MTTF of 1.75M hours.

Thermals noise and power in daily use

Operating temperature spans 0°C to 70°C, with storage tolerance from -55°C to 85°C. Average active power draw is 60mW, peaking at 3,000mW during max read and 3,800mW during max write. Idle consumption drops to 56mW in slumber and as low as 12mW in DEVSLP. With no moving parts the drive produces no audible noise during operation.

Build fit SATA power and 7mm bay

The 2.5-inch 7mm profile slides into any standard drive bay or caddy that accepts a SATA data and power connection. Low active power helps extend battery life in laptops, while the 500 TBW endurance supports heavy write workloads. WD F.I.T. Lab certification confirms broad system compatibility. Free downloadable software provides drive monitoring, cloning and backup functions.

How it compares

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

Price $192.99
Typical for this category: the median of 1,994 items is $180.49.
Total capacity 2 TB
Higher 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 $96.50 per TB
Cheaper than about 86% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineBlue
Model nameWDS200T2B0A
Total capacity2 TB
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 endurance500 TB
Ports & slots
Interface typeSATA III
Power
Idle power draw56mW (Slumber)
5-12mW (DEVSLP)
Active power draw60mW (Avg. Active Power)
3,000mW (Max Read Operating)
3,800mW (Max Write Operating)
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100.2 mm
Product weight57.9g
Shipping weight0.09 kg
Package size127 × 102 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
Max shock tolerance1500G
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

How do I install the 2.5" SATA drive and what step is often missed?

Mount the 2.5" drive in a 2.5" bay or use a 2.5-to-3.5 adapter, connect the SATA data and power cables, then enable AHCI mode in BIOS so the SATA III interface runs at full speed — skipping AHCI is the common oversight.

What maintenance or replacement will the 3D NAND SSD need later?

The 3D NAND SSD has no moving parts to service; monitor health with the free downloadable software and plan replacement once the 500 TBW endurance rating or the 1.75M-hour MTTF threshold is approached.

What limit appears first during sustained writes on this SATA III drive?

The SATA III 6 Gb/s interface caps sequential write throughput at 530 MB/s, so the interface bottleneck arrives before the 3D NAND or controller reaches its own thermal or current limits.

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