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WD_BLACK SN850X M.2 SSD without a heatsink

Manufacturer product-family image; capacity label may differ. Image: SanDisk / WD_BLACK ↗

Western Digital · SSDs

WD_BLACK SN850X 2 TB

PCIe 4.0 · 7300 MB/s · Heatsink option

90/100 editorialManufacturer source →

US launch / reference price: $219 · Released 2022-07-13

Editorial overview

The PCIe 4.0 reference for gaming — 7,300 MB/s sequential read, BiCS5 TLC, 1,200 TBW endurance and 5-year warranty. The most-recommended NVMe drive for PS5 expansion. Released July 2022.

This is a sourced product profile with editorial judgments. Specdex has not tested this device in an in-house lab.

Reasons to consider it

  • Best PCIe 4.0 sustained speed under load
  • 5-year warranty
  • Excellent gaming/load times

Tradeoffs to check

  • PCIe 4.0 not 5.0
  • Game Mode 2.0 is software gimmick
  • Premium pricing per TB

Specifications

Configurations and regional models can differ. A dated source beside a field identifies a specific cross-check; other fields remain catalog reference information.

Battery & charging

Capacity
1 / 2 / 4 / 8 TB

Storage

Sequential read
7300 MB/s
Sequential write
6600 MB/s
NAND
BiCS5 TLC
Endurance
1200 TBW (2TB)

Software & support

Warranty
5 years

Other

Interface
PCIe 4.0 x4 NVMe 1.4

Prices & availability

US launch / reference: $219. This is not a current retailer offer.

Checking current offers…

Price history
History appears when an approved retailer provides observations.
Watch for a price drop →

Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.

Sources & confidence

Manufacturer source: www.westerndigital.com ↗

Catalog source check recorded 2026-05-11. A reference link is not proof that every field has been independently checked. Consult the linked source for model, region and test conditions.

Editorial scores use rubric editorial-2026-09; they are not manufacturer ratings or measured benchmark results. Missing information is not scored as zero.

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