SATA 3 vs vs NVMe

The specification identifies 12 keys A–M, but in common use are B and M SATA SSDs are B+M-keyed (can fit in sockets for B-keyed and M-

2 drives are “keyed” at one end so as to prevent the end-user from inserting them in an incompatible socket PCIe NVMe drives are 'M' keyed SATA ones,

nvme slot types pcie is about 4x faster The add in cards plugged into a X4-X16 pcie slot will have some sort of adapter

nvme slot For most users with regular storage needs of 2TB or less, an NVMe like the Samsung 980 Series is fast, widely available, and the best choice