Types of M.2 Drives & Slots (An In-Depth Guide) - CG

nvm slotThe ‘Key M’ or ‘M key’ slot is specifically for PCI-E SSDs aka NVME SSDs which are currently the fastest SSD type that one can buy. The ‘Key B’ slot is for M.2 SATA SSDs.An NVMe slot is a specialized M.2 connector on a motherboard that allows you to install hh-speed NVMe SSDs. Recognizing an NVMe slot