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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

  • Total capacity2 TB
  • Sequential read speedUp to 7,000 MB/s
  • Sequential write speedUp to 5,100 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 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.

How it compares

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

Price $201.99
Pricier than about 54% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 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 $101.00 per TB
Cheaper than about 84% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameWestern Digital
Product lineBLACK SN850 NVMe
Model nameWDS200T1 × 0E
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 7,000 MB/s
Sequential write speedUp to 5,100 MB/s
Random read (4K)Up to 1,000,000 IOPS
Random write (4K)Up to 710,000 IOPS
Storage
NAND flash type3D NAND
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 weight0.04 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

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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