WD_BLACK SN850X 2TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS200T2X0E

Sandisk

Sandisk WD_BLACK SN850X 2TB NVMe SSD (WDS200T2X0E)

Name: WD_BLACK SN850X 2TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal
Brand: Sandisk
SKU: B0B7CMZ3QH

Status: WD_BLACK SN850X 2TB NVMe SSD - M.2 2280: Unavailable on Amazon as of 2026-11-07 17:13 UTC. SpecPicks has no in-stock 2TB NVMe SSD on file; an Amazon search for "2TB NVMe SSD" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The Sandisk WD_BLACK SN850X 2TB NVMe SSD: Up to 7,300 MB/s sequential read, near the PCIe Gen4 ceiling; main trade-off: superseded by the SanDisk Optimus GX PRO 850X per the manufacturer.

Unavailable on Amazon as of 2026-11-07 17:13 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-11-07

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Up to 7,300 MB/s sequential read, near the PCIe Gen4 ceiling
✓ Up to 6,300 MB/s sequential write for fast large-file transfers
✓ TLC 3D NAND, not slower QLC, on the 2TB model
✓ Standard M.2 2280 form factor fits most desktop boards

Cons

✗ Superseded by the SanDisk Optimus GX PRO 850X per the manufacturer
✗ No heatsink mentioned in this listing configuration
✗ Gen4 interface, so no Gen5 headroom on newer platforms
✗ 7,300 MB/s read applies to 1TB-4TB models, not the whole range

Manufacturer description

This product has been replaced by our latest generation. Please search for the SANDISK Optimus GX PRO 850X NVMe SSD TRANFORM YOUR PC: Insane speeds up to 7,300MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times for your gaming PC or workstation — for the elite experience you’ve been waiting for. MORE ROOM FOR MORE GAMES: Capacities up to 8TB built with SANDISK TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.

SpecPicks Verdict

SpecPicks scored Sandisk WD_BLACK SN850X 2TB NVMe SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Sandisk's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the WD_BLACK SN850X 2TB?

Up to 7,300 MB/s sequential read and up to 6,300 MB/s sequential write. Those read speeds apply to the 1TB through 4TB models.

Will the SN850X fit my motherboard?

It is a standard M.2 2280 internal NVMe drive, the most common size on desktop motherboards. Confirm your board has a free M.2 2280 slot before ordering.

What type of NAND does it use?

SanDisk TLC 3D NAND. TLC generally holds write speeds better under sustained load than the QLC found in cheaper drives.

Is this drive discontinued?

Sandisk states this product has been replaced by the SanDisk Optimus GX PRO 850X NVMe SSD. The SN850X is still widely sold.

What capacities does the SN850X come in?

The family runs from 1TB up to 8TB. This listing is the 2TB model, part number WDS200T2X0E.

Key Features

This product has been replaced by our latest generation. Please search for the SANDISK Optimus GX PRO 850X NVMe SSD
TRANFORM YOUR PC: Insane speeds up to 7,300MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times for your gaming PC or workstation — for the elite experience you’ve been waiting for.
MORE ROOM FOR MORE GAMES: Capacities up to 8TB built with SANDISK TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.

Full Specifications

Size	2TB
Brand	Sandisk
Color	Black
Model	WDS200T2X0E
Warranty	5 year limited warranty
UnitCount	1
ReleaseDate	2022-08-03T00:00:01Z
Manufacturer	Sandisk Technologies, Inc.
ItemPartNumber	WDS200T2X0E
Full listing title	WD_BLACK SN850X 2TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS200T2X0E

Hardware benchmark data

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