PCIe vs NVMe: What's the difference?

How to install an NVMe SSD in an old desktop PC with a PCIe slot nvme pcie slot Reviewing the AMPCOM NVME SSD to PCIe Adapter Card, 64Gbps SSD X4 nvme pcie slot Yes, NVMe uses the PCIe bus, but I'm talking about the slotinterface

nvme vs m2 slot difference PCIe, is a standard interface used for connecting high-speed motherboard components while NVMe is the communication protocol or interface