M.2 vs. NVMe: What is the difference when it comes to SSDs?

nvm slotIncredible value. Just remember this has one port for sata and one port for nvm. I love that it came with everything needed for a full install.The ‘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.