What is a NVMe SSD and How Fast is it?

M2 Key E m 2 slot ssd 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, m2 pcie 40 in 30 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

m2 slot pc You need a PCI-E X4 lane adapter with a motherboard with a corresponding PCI-E 4 lane slot You can buy these on Amazon or eBay with sata chips