Understanding M.2, SATA, PCIe and NVMe SSDs - Crucial

nvm slotNVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open, logical-device interface specification for accessing a computer's non-volatileNVMe was desned for SSDs and communicates between the storage interface and the system’s CPU using hh-speed PCIe sockets without the limitations of form factor. The NVMe protocol