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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

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity1TB
  • Memory Components3D NAND
  • InterfaceSATA III

Options 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.

Highlights

  • 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

Specifications

BrandWestern Digital
SeriesBlue
ModelWDS100T2B0B
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
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 Resistance1500G @ 0.5 msec half sine
Max Vibration ResistanceOperating: 5.0 gRMS, 10-2000 Hz
Non-operating: 4.9 gRMS, 7-800 Hz
Height2.38mm
Width22.00mm
Depth80.00mm
Weight7.00g
Shipping weight0.04 kg
Package size130 × 102 × 20 mm

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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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