Compatibility answer

Will the WD_BLACK SN770M 1TB M.2 2230 NVMe SSD work with the MSI MAG B550 TOMAHAWK?

Q: Will the WD_BLACK SN770M 1TB M.2 2230 NVMe SSD work with the MSI MAG B550 TOMAHAWK?

Yes, with conditions. Works only with the M.2 2230-to-2242 extender bracket. Conditions: M.2 2230-to-2242 extender bracket. Sources: https://www.msi.com/Motherboard/MAG-B550-TOMAHAWK/Specification, https://www.sandisk.com/products/ssd/internal-ssd/wd-black-sn770m-nvme-ssd

Yes, with conditions. Works only with the M.2 2230-to-2242 extender bracket.

Both records are reviewed against the manufacturers' sources; sources last checked 2026-10-13. Informational only: confirm with the manufacturer before buying.

Why

✓ A 2230 drive is shorter than the 22110 bay, which has no 2230 mounting point.
✓ NVMe is supported by this slot.

Conditions

M.2 2230-to-2242 extender bracket: The slot has no 2230 mounting point.

Good to know

The manufacturer lists only 2242/2260/2280/22110 mounting points. It works only with an M.2 2230-to-2242 extender bracket (not included) to secure the drive.

Sources

Check your exact setup

Other parts in the cart, current configuration (installed memory, fan brackets) and adapters can change the answer.

Check a whole cart

Also checked with the MSI MAG B550 TOMAHAWK

16GB DDR4-3200 desktop DIMM (CT16G4DFRA32A) Yes
970 EVO Plus 1TB NVMe M.2 (MZ-V7S1T0) Yes
990 PRO 1TB NVMe M.2 (MZ-V9P1T0) Yes
AMD Ryzen 5 5600X Yes
AMD Ryzen 7 5800X Yes
AMD Ryzen 7 5800X3D Yes
AMD Ryzen 9 5900X Yes
AMD Ryzen 9 5950X Yes

Everything checked with it

AI assistants and developers: the same answer, with a signed receipt, from check_compatibility at https://tetheredtrust.com/mcp or POST https://tetheredtrust.com/v1/check with existing_id: "msi-mag-b550-tomahawk", candidate_id: "wd-black-sn770m-1tb".