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Western Digital

Western Digital WDS100T1X0E 1TB M.2 2280 internal SSD

SKU CH-QY1H-NB5RD MPN WDS100T1X0E

1TB M.2 2280 internal SSD with PCIe 4.0 x4 interface delivering up to 7000 MB/s read and 5300 MB/s write speeds for gaming

  • Total capacity1 TB
  • Sequential read speedUp to 7,000 MB/s
  • Sequential write speedUp to 5,300 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 1TB

  • Sequential reads up to 7000 MB/s slash game load times
  • Sequential writes up to 5300 MB/s accelerate large file saves
  • Random reads up to 1000000 IOPS keep gameplay responsive
  • 600 TBW endurance rating supports heavy daily workloads
  • 75M hour MTTF indicates long-term drive reliability

WD BLACK SN850 NVMe 1TB drive

This WD BLACK SN850 NVMe solid state drive delivers 1TB of PCIe 4.0 x4 storage in the M.2 2280 form factor. It is built for consumer PCs and laptops that need high sequential throughput and low latency for gaming and content workloads. The 3D NAND design supports up to 7000 MBps read and 5300 MBps write speeds. The drive is not intended for NAS or server environments.

Thermals and power in normal use

The controller operates between 0 °C and 70 °C, while the storage range extends from -55 °C to 85 °C. A thin 2.38 mm profile helps airflow in compact chassis. With a 600 TBW endurance rating and 1.75M hour MTTF, the drive sustains heavy write cycles without thermal throttling under typical desktop loads.

Build integration and system impact

The M.2 2280 module fits a standard PCIe 4.0 x4 slot and requires no extra cabling or power connectors. Its 22.00 mm width leaves room for motherboard heatsinks or additional expansion cards. WD BLACK Dashboard software provides firmware updates and health monitoring, freeing the user from manual maintenance while the high IOPS performance reduces game load stalls.

How it compares

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

Price $175.99
Typical for this category: the median of 1,994 items is $180.49.
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 7,000 MB/s
Higher than about 80% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $175.99 per TB
Typical for this category: the median of 1,362 items is $165.50 per TB.

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Specifications

Product
Brand nameWestern Digital
Product lineBLACK SN850 NVMe
Model nameWDS100T1 × 0E
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 7,000 MB/s
Sequential write speedUp to 5,300 MB/s
Random read (4K)Up to 1,000,000 IOPS
Random write (4K)Up to 720,000 IOPS
Storage
NAND flash type3D NAND
Write endurance600 TB
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Overall height2.38 mm
Overall width22 mm
Product depth80 mm
Product weight7.5g
Shipping weight0.05 kg
Package size127 × 102 × 22 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 85 °C
More details
Mean time to failure1.75M Hours

Other versions of this model

4 more in the same range

Questions about this item

How do I install the WD BLACK SN850 NVMe SSD in my PC or laptop, and what step do people often miss?

Insert the M.2 2280 module into a PCIe 4.0 x4 slot at a slight angle, press it down, and secure it with the motherboard screw. The step many miss is enabling PCIe 4.0 mode in the BIOS so the drive can reach its 7000 MBps read and 5300 MBps write potential.

What maintenance or replacement will this 1TB NVMe drive need over its lifespan?

No mechanical maintenance is required. The 3D NAND SSD is rated for 600 TBW and 1.75M hours MTTF. When the TBW counter approaches its limit, the drive should be replaced to avoid data loss.

What limit appears first on the WD BLACK SN850 during sustained heavy workloads?

Under continuous load the controller will hit its thermal throttle point at the 70°C operating ceiling before the 7000 MBps sequential read or 1,000,000 IOPS random read limits are reached.

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