M.2 is a NGFF (Next Generation Form Factor) socket that supports storage via either SATA 3.0 or PCIe 3.0. Theoretically, you could get 1GBps (500MBps per lane) out of this type of arrangement.

Four 6 Gbps SATA 3.0 sockets and one SATA Express 10 Gbps (far left) There is a faster version of the socket, called SATA Express , that provides up to 10 Gbps, but the normal one is fast enough ...

By bundling two SATA ports and transferring them via PCI Express, the previous SATA 6G speed was to be doubled. This creates a PCIe x2 connection. With PCIe 2.0 this corresponds to 1,000MB/s, with ...

Dual socket 2P motherboards support four AMD External Global Memory interconnect xGMI links, or one per die. The standard 2P board comes with maximum of 64 PCIe lanes per socket, 16 SATA laners ...