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Green rectangular M.2 2280 circuit board with black controller and gold edge connector

Western Digital

Western Digital WDS200T1X0E BLACK SN850 2TB NVMe internal SSD

SKU CH-Q0KE-JQ4QM MPN WDS200T1X0E

PCIe 4.0 x4 NVMe drive with 2TB capacity and up to 7000 MB/s read speed for high-performance gaming PCs

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity2TB
  • Memory Components3D NAND
  • InterfacePCI-Express 4.0 x4

Options 2TB

  • PCIe 4.0 x4 interface delivers up to 7000 MB/s read speed
  • Sequential write reaches up to 5100 MB/s for fast game installs
  • Random read up to 1000000 IOPS keeps gameplay responsive
  • 2TB capacity stores a large library of titles
  • 75M hours MTTF indicates long-term drive endurance

WD BLACK SN850 2TB NVMe SSD

The WD BLACK SN850 is a 2TB internal solid-state drive built for consumer PCs and laptops. It uses a PCI-Express 4.0 x4 interface and 3D NAND memory to deliver sequential reads up to 7000 MBps and writes up to 5100 MBps. Random performance reaches 1,000,000 IOPS read and 710,000 IOPS write for responsive gaming and heavy workloads.

Check M.2 2280 slot and PCIe 4.0 support

Verify that your motherboard or laptop has an M.2 2280 slot wired for PCI-Express 4.0 x4 to use the full bandwidth. The drive operates between 0°C and 70°C, so ensure adequate airflow in the chassis. It is not intended for NAS or server environments, so confirm the usage scenario matches consumer workloads.

Fits compact builds and frees 2.5-inch bays

At 22.00mm wide, 80.00mm long and 2.38mm high, the M.2 2280 form factor installs directly on the board without cables. This saves drive-bay space for additional storage or cooling. The WD_BLACK Dashboard software is available for monitoring health, updating firmware and tuning performance settings.

Highlights

  • PCIe 4.0 x4 interface delivers up to 7000 MB/s read speed
  • Sequential write reaches up to 5100 MB/s for fast game installs
  • Random read up to 1000000 IOPS keeps gameplay responsive
  • 2TB capacity stores a large library of titles
  • 75M hours MTTF indicates long-term drive endurance

Specifications

BrandWestern Digital
SeriesBLACK SN850 NVMe
ModelWDS200T1X0E
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity2TB
Memory Components3D NAND
InterfacePCI-Express 4.0 x4
Max Sequential ReadUp to 7000 MBps
Max Sequential WriteUp to 5100 MBps
4KB Random ReadUp to 1,000,000 IOPS
4KB Random WriteUp to 710,000 IOPS
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 weight0.04 kg
Package size127 × 102 × 22 mm

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the WD BLACK SN850 WDS200T1X0E come with a heatsink or mounting screw, or must I buy them separately?

The drive is supplied as a bare M.2 2280 module. Most motherboards include the M.2 standoff and screw; a heatsink is optional and sold separately if your board lacks one.

Should I choose the 2 TB model or a smaller capacity for gaming and heavy workloads?

The 2 TB version gives you the full 7000 MB/s read and 5100 MB/s write speeds plus 1,000,000 IOPS random read, so large game libraries and heavy workloads stay on one fast drive.

Will I actually see 7000 MB/s read speed in my PCIe 4.0 system?

In a PCIe 4.0 x4 slot the drive can reach the rated 7000 MB/s sequential read and 5100 MB/s write; real-world throughput depends on workload, thermal conditions and motherboard implementation.

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