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Rectangular 2.5 inch internal SSD with a blue label on a silver metal casing

Western Digital

Western Digital WDS100T2B0A Blue 1TB SATA internal SSD

SKU CH-R2VB-EMBG8 MPN WDS100T2B0A

A 1TB 2.5-inch SATA SSD with 3D NAND delivering up to 560 MB/s reads and 530 MB/s writes, rated for 400TB written and 1.75M hours MTTF

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity1TB
  • Memory Components3D NAND
  • InterfaceSATA III

Options 1TB

  • 1TB capacity stores more games and media
  • 3D NAND technology delivers up to 560 MB/s sequential read speed
  • 400 TBW endurance rating supports heavy daily workloads
  • 75M hour MTTF indicates long-term drive reliability
  • WD F.I.T. Lab certification ensures broad system compatibility

What this drive is

The Western Digital Blue 1TB SATA SSD uses 3D NAND to deliver sequential reads up to 560 MBps and writes up to 530 MBps. It is built for everyday consumer workloads such as OS boot, application launch and general file storage. Endurance is rated at 400 TBW with an MTTF of 1.75M hours.

Check your system first

Verify that your motherboard or laptop has a free SATA III port and a 2.5 inch drive bay or caddy. Confirm the operating system supports the SATA interface and that you have a SATA data cable and a SATA power connector available. The drive operates between 0°C and 70°C, so ensure adequate airflow in the chassis.

How it fits a build

The 2.5 inch form factor slides into standard drive bays and leaves M.2 slots open for other devices. Average active power draw is 60mW with max read at 2,550mW and max write at 3,750mW, reducing thermal load. WD F.I.T. Lab certification confirms broad compatibility, and free downloadable software handles drive monitoring, cloning and backup.

Highlights

  • 1TB capacity stores more games and media
  • 3D NAND technology delivers up to 560 MB/s sequential read speed
  • 400 TBW endurance rating supports heavy daily workloads
  • 75M hour MTTF indicates long-term drive reliability
  • WD F.I.T. Lab certification ensures broad system compatibility

Specifications

BrandWestern Digital
SeriesBlue
ModelWDS100T2B0A
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity1TB
Memory Components3D NAND
InterfaceSATA III
Max Sequential ReadUp to 560 MBps
Max Sequential WriteUp to 530 MBps
4KB Random ReadUp to 95,000 IOPS
4KB Random WriteUp to 84,000 IOPS
Terabytes Written (TBW)400TB
MTTFUp to 1.75M hours
Features3D NAND SATA SSD for capacities up to 4TB with enhanced reliability.
Sequential read speeds up to 560 MB/s and sequential write speeds up to 530 MB/s.
An industry-leading 1.75M hours mean time to failure (MTTF) and up to 400 terabytes written (TBW) for enhanced reliability.
WD F.I.T. Lab certification for compatibility with a wide range of computers.
Free downloadable software to monitor the status of your drive and clone a drive, or backup your data.
Power Consumption (Idle)56mW (Slumber)
5-12mW (DEVSLP)
Power Consumption (Active)60mW (Avg. Active Power)
2,550mW (Max Read Operating)
3,750mW (Max Write Operating)
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Max Shock Resistance1,500G @ 0.5 msec half sine
Max Vibration ResistanceOperating: 5.0 gRMS, 10-2000 Hz
Non-operating: 4.9 gRMS, 7-800 Hz
Height7.00mm
Width69.85mm
Depth100.20mm
Weight37.40g
Shipping weight0.08 kg
Package size127 × 102 × 23 mm

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Questions about this item

What comes in the box with the WD Blue WDS100T2B0A and what must I buy separately?

The drive itself is a 2.5-inch 1TB SATA III SSD using 3D NAND. You will need a SATA data cable and a SATA power connector from your power supply; mounting brackets or adapter trays for your specific case or laptop are also sold separately.

How do I choose between the capacities available for this WD Blue SATA SSD?

This model is the 1TB version. The same series offers capacities up to 4TB, all sharing the same 560 MB/s read and 530 MB/s write speeds, so pick the capacity that matches your storage budget and space needs.

What does the 560 MB/s sequential read figure mean once the drive is installed in my PC?

It is the peak throughput the controller can deliver over the SATA III link when reading large, contiguous files; real-world speeds will be lower due to OS overhead, file fragmentation and the 6 Gb/s bus limit.

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