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Rectangular green circuit board with gold edge connector and black chips, M.2 2280 form factor

Western Digital

Western Digital WDS100T2B0B 1TB SATA internal SSD

SKU CH-8AC4-NWE8Y MPN WDS100T2B0B

A 1TB M.2 2280 SATA SSD with 3D NAND delivering up to 560 MB/s reads and 530 MB/s writes for consumer desktops and laptops

  • Total capacity1 TB
  • 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 1TB M.2

  • Faster boot and load times with sequential read up to 560 MB/s
  • Quick file saves and transfers with sequential write up to 530 MB/s
  • Responsive multitasking from 95,000 random read IOPS and 84,000 random write IOPS
  • Long-term endurance backed by 400 TBW and 1.75M hour MTTF
  • Low power draw extends laptop battery life with 56 mW idle and 60 mW average active

WD Blue 1TB SATA M.2 SSD

The WD Blue WDS100T2B0B is a 1TB internal solid-state drive built for everyday computing. Its M.2 2280 form factor fits modern laptops and desktops that need a compact storage upgrade. 3D NAND technology delivers reliable capacity for operating systems, applications and personal files.

SATA III interface limits peak throughput

This drive connects through the SATA III 6Gb/s interface, capping sequential reads at 560 MBps and writes at 530 MBps. Random performance reaches 95,000 IOPS read and 84,000 IOPS write for responsive multitasking. The SATA link is the single specification that determines whether the drive matches your system.

Low power draw suits thin laptops

Average active power sits at 60 mW with idle consumption as low as 12 mW in DEVSLP, leaving more battery capacity for other components. The drive operates from 0 to 70 °C and requires no extra cooling or mounting hardware beyond a standard M.2 slot. Free Western Digital 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 $106.99
Cheaper than about 70% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 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 $106.99 per TB
Cheaper than about 81% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineBlue
Model nameWDS100T2B0B
Total capacity1 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 endurance400 TB
Ports & slots
Interface typeSATA III
Power
Idle power draw56mW (Slumber)
5-12mW (DEVSLP)
Active power draw60mW (Avg. Active Power)
2,550mW (Max Read Operating)
3,750mW (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 size130 × 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

What does the 560 MB/s sequential read mean when the drive is installed in a laptop?

The 560 MB/s read ceiling is the SATA III interface limit; real-world loads such as game level loads or large file copies will typically sit a little below that figure.

How does the SATA III interface cap performance on this M.2 2280 drive?

SATA III tops out at 6 Gb/s, so even though the drive uses the M.2 2280 form factor it cannot exceed roughly 560 MB/s read and 530 MB/s write.

What physical slot and mounting does the M.2 2280 form factor require?

It needs an M.2 key-M or key-B slot that accepts 2280-length modules and a single screw to secure the drive at the far end.

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