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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

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity1TB
  • Memory Components3D NAND
  • InterfacePCI-Express 4.0 x4

Options 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.

Highlights

  • 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

Specifications

BrandWestern Digital
SeriesBLACK SN850 NVMe
ModelWDS100T1X0E
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity1TB
Memory Components3D NAND
InterfacePCI-Express 4.0 x4
Max Sequential ReadUp to 7000 MBps
Max Sequential WriteUp to 5300 MBps
4KB Random ReadUp to 1,000,000 IOPS
4KB Random WriteUp to 720,000 IOPS
Terabytes Written (TBW)600TB
MTTF1.75M Hours
FeaturesEXPERIENCE SUPREME PERFORMANCE
Prepare for the next evolution of speed with the WD_BLACK SN850 NVMe SSD, giving you supreme PCIe Gen4 technology for your PC or laptop (not intended for NAS or server environments) so you don't lag out on the next generation of games.
SPEED KILLS. THIS DECIMATES.
You asked for fast, we over delivered. The WD_BLACK SN850 NVMe SSD reaches irrational 7000 MB/s read speed and 5300 MB/s write speed (1TB model) to get you in quicker, with up to 1,000,000 IOPS (1TB and 2TB models) for a smooth, responsive and powerful gaming experience.
STORE MORE, PLAY MORE
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Height2.38mm
Width22.00mm
Depth80.00mm
Weight7.50g
Shipping weight0.05 kg
Package size127 × 102 × 22 mm

Other versions of this model

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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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