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

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-volatileNowadays, the acronym NVMe is often thrown around willy-nilly. To put it simply, it is a protocol that uses the PCIe interface and is much faster