PCIe vs PCIe NVMe SSDs: What's the difference?

Nvme in slot? :: Hardware and Operating Systems nvme 4 0 in 3 0 slot It looks like there are different PCIe specs Dell's slot can be used for Intel Optane memory or for a bootable SSD apparently PCIe now nvme slot vs m2 We suspected there may be a small performance advantage with high-end parts such as the RTX 3080 and 3090 when using PCIe over ,

nvme m2 slot motherboard PCIe was already crazy fast: you just need to look at a PCIe NVMe SSD and the kinds of readwrite speeds it can achieve