WD_Black SN770M 2TB SSD, Speeds up to 5150 MB/s, M.2 2230 for Handheld Gaming Devices and Compatible laptops, PCIe Gen 4.0, TLC 3D NAND, Great for Asus ROG Ally, Steam Deck, Microsoft Surface

Sandisk

Sandisk WD_Black SN770M 2TB SSD

Name: WD_Black SN770M 2TB SSD, Speeds up to 5150 MB/s, M.2 2230 for Handheld Gaming Devices and Compatible laptops, PCIe Gen 4.0, TLC 3D NAND, Great for
Brand: Sandisk
SKU: B0CN17F7XC

Status: WD_Black SN770M 2TB SSD (2TB PCIe 4.0 NVMe SSD M.2 2230): Unavailable on Amazon as of 2026-10-06 22:13 UTC. Closest in-stock match (same 2TB PCIe 4.0 NVMe M.2 2230): DATO 2TB M.2 2230 SSD, $305.99 on Amazon as of 2026-10-06 10:25 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $305.99 🛒 Search eBay for this model

Bottom line: The Sandisk WD_Black SN770M 2TB SSD: M.2 2230 form factor fits Steam Deck, ROG Ally, and Surface handhelds; main trade-off: 5,150 MB/s peak trails 7,000 MB/s flagship Gen 4 SSDs.

Unavailable on Amazon as of 2026-10-06 22:13 UTC

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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives with matching specs:

Same 2TB PCIe 4.0 NVMe M.2 2230: DATO 2TB M.2 2230 SSD — $305.99 on Amazon as of 2026-10-06 10:25 UTC (price may vary).

View Current Price — $305.99

Same 2TB PCIe 4.0 NVMe M.2 2230: Crucial P310 2TB M.2 2230 SSD — $376.90 on Amazon as of 2026-10-06 04:20 UTC (price may vary).

View Current Price — $376.90

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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

✓ M.2 2230 form factor fits Steam Deck, ROG Ally, and Surface handhelds
✓ Sequential reads up to 5,150 MB/s over PCIe Gen 4.0
✓ 2TB of Western Digital TLC 3D NAND holds a large game library
✓ Microsoft DirectStorage support cuts level-load times on Windows handhelds

Cons

✗ 5,150 MB/s peak trails 7,000 MB/s flagship Gen 4 SSDs
✗ 2230 size only fits handhelds and select laptops, not desktop 2280 slots
✗ Load-time gains depend on DirectStorage-ready games
✗ Swapping the stock handheld drive means cloning or reimaging the OS

Manufacturer description

Introducing the WD_BLACK SN770M SSD, the first M.2 2230 NVMe SSD built from a brand gamers trust. Upgrade compatible handheld devices such as the ASUS ROG Ally and Steam Deck with speeds up to 5,150 MB/s (1TB and 2TB models) for blazingly quick game installations and level loads. Take your large game library wherever you are with up to 2TB of trusted Western Digital TLC NAND storage.

SpecPicks Verdict

SpecPicks scored Sandisk WD_Black SN770M 2TB 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.

Key Features

Introducing the WD_BLACK SN770M SSD, the first M.2 2230 NVMe SSD built from a brand gamers trust.
Upgrade compatible handheld devices such as the ASUS ROG Ally and Steam Deck with speeds up to 5,150 MB/s (1TB and 2TB models) for blazingly quick game installations and level loads.
Take your large game library wherever you are with up to 2TB of trusted Western Digital TLC NAND storage.
Get ready for an immersive experience with exclusive gaming features including PCIe Gen 4.0, Western Digital's nCache 4.0 Technology, and Microsoft’s DirectStorage Support.
Revitalize and expand the storage of your M.2 2230 SSD compatible laptop such as many Microsoft Surface and Dell models.

Full Specifications

Size	2tb
Brand	Sandisk
Color	Black
Model	WDS200T3X0G
UnitCount	99
ReleaseDate	2024-02-22T00:00:01Z
Manufacturer	Western Digital Technologies, Inc.
ItemPartNumber	WDS200T3X0G
Full listing title	WD_Black SN770M 2TB SSD, Speeds up to 5150 MB/s, M.2 2230 for Handheld Gaming Devices and Compatible laptops, PCIe Gen 4.0, TLC 3D NAND, Great for Asus ROG Ally, Steam Deck, Microsoft Surface

Ready to buy?

WD_Black SN770M 2TB SSD, Speeds up to 5150 MB/s, M.2 2230 for Handheld Gaming Devices and Compatible laptops, PCIe Gen 4.0, TLC 3D NAND, Great for Asus ROG Ally, Steam Deck, Microsoft Surface is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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