M.2 slots can use either of the two interfaces, depending on how expensive and newer your motherboard is. SATA M.2 slots are cheaper and slower than PCIe M.2 slots, but both interfaces support an SSD.

Even if you’re never going to design a M.2 card, now you know how to tell SATA and NVMe M.2 SSDs apart, and why pushing a B-key 4G card into your M-key SSD slot will not result in anything good.

M.2 SSDs for PCIe (x2 and x4) can be recognized by a cut-out — Key M. Variants with two cut-outs on the right and left (Keys B+M) usually only support PCIe x2 or SATA.

M.2 SSD in a laptop. Image used with permission by copyright holder The difference between 22mm and 25mm is small in terms of size, but it can potentially hold a lot of benefits for these future SSDs.

And perhaps the most important part is that you get a three-year warranty on this enclosure, which should provide some peace ...

I’ve also built a trove of M.2 key-to-key adapters for my friends’ usecases, such as one that lets you replace an A/E WiFi card with a M-key SSD, or vice-versa, and an adapter for Apple Xserve ...

If your only CPU-connected M.2 socket is right underneath your power-thirsty GPU, then by all means, install it in M.2_2 or _3, even if it goes through the chipset.

WD_BLACK 500GB SN850 NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, 3D NAND, Up to 7,000 MB/s - WDS500G1X0E A high-speed SSD for the latest motherboards.

M.2 SSD drive option: An add-on board provides a socket for an M.2 SSD drive, with key-B or key-B&M connection, and a jumper plug that then connects the SSD drive to a USB 3 port.

Head to head We took six M.2 SSD drives for a spin. The state of the art was represented by these drives: The 256GB Samsung SM951 PCIe (AHCI) ($240; available for less at retailers like Amazon ...

TAIPEI, TAIWAN - Media OutReach Newswire - 19 August 2025 - Solid State Storage Technology Corporation (SSSTC) proudly ...

Both SSDs can hit over 7,000MB/sec read speed, require a PCIe 4.0 M.2 interface on your motherboard and are about as fast as you'll get without stepping up to a PCIe 5.0 SSD such as Crucial's T700 ...