and NVMe SSDs Explained

Installing an M2 SSD into an Optiplex 7040 nvme m 2 ssd slot 2 SSDs are keyed at both M and B positions, so they can fit in SATA slots and PCIe , even if they might not work in the latter NVMe SSDs are keyed only nvme slot types 2 PCIe slot That's right, no messy cables are required for these new hard drives! Update: The photos below were taken by me while building a Windows rig

nvme in pcie slot An SSD is “keyed” to prevent insertion of a card connector to an incompatible socket on the host The specification