What is the difference between M.2 PCIe and M.2 NVMe? - Quora
Answer (1 of 4): My layman’s distinctions are as follows:
M.2 is the connection specification and describes the form factor.
PCIe is the communication bus specification, essentially the same as those larger slots on a motherboard where a graphics card slots in. It is much faster than the older ...
What are PCIe Slots and Their Uses? - Beginners Guide
The best expansion slot for a video card in a modern desktop computer is typically the PCI Express (PCIe) slot, specifically the PCIe x16 slot.
smallest pc with pcie slot.html - doctorplus.club
PCIe x1 is the smallest PCIe slot that is not compatible with mPCIe cards.