Western Digital SN850 1TB Review & Specs

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Western Digital BLACK SN850 1TB NVMe Gen4 PCIe M.2 2280 WDS100T1X0E

Western Digital BLACK SN850 1TB NVMe Gen4 PCIe M.2 2280 WDS100T1X0E

- Western Digital

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  • Next-Gen Pcie Gen4 Technology Optimized For Top-Tier Gaming (Not Intended For NAS Or Server Environments)
  • Irrationally Fast Read/Write Speeds Up To 7000/5300MB/S (1TB Model) And Up To 1,000,000 IOPS (1TB And 2TB Models)
  • Up To 2TB Capacity To Hold Your Favorite Battle-Ready Games
  • Downloadable WD_BLACK Dashboard Software To Customize And Control Your Gaming Experience
  • Compact Form Factor Design For Easy Connectivity

Specs Overview

Model WDS100T1X0E
Release Date October 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Series BLACK SN850 NVMe
Capacity 1000GB
Interface M.2 (M)
Form Factor M.2-2280
NAND Flash Type 3D NAND
Max Sequential Read Up to 7000 MB/s
Max Sequential Write Up to 5300 MB/s

Western Digital SN850 1TB Performance comparison with similar Solid State Drives

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Critic Reviews


The WD SN850 is the fastest PCIe 4.0 SSD you can buy. Incredible sequential and random throughput makes for a drive that's way ahead of the pack.


WD’s Black SN850 is a high-performance PCIe 4.0 x4 M.2 NVMe SSD that was built from the ground up as the company’s fastest SSD for gamers and prosumers. Trading blows with Samsung’s best, it marks a dramatic improvement over its predecessor, ranking it as one of the best SSDs on the market.

Tom's Hardware

Read the full review

Priced at $230 for the tested 1 TB version, the WD Black SN850 is expensive. For that amount of money, you can get a pretty decent 2 TB M.2 NVMe SSD (PCIe Gen 3)—just not one that's as fast as the SN850. The two strongest competitors to the WD Black SN850 are the Corsair MP600 Pro and Samsung 980 Pro, which cost exactly the same—is anyone surprised ...


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