Can I Use a PCIe NVMe SSD in a PCIe Motherboard Slot?

PCIe vs NVMe: What's the difference? nvme in pcie slot Yes but the speed of the drive will be limited to the PCI-e spec, the number of lanes that the slot is wired at going to either the CPU or nvme pcie 40 in 30 slot Only if its a boot device or your intent is software raid, any most pcie adapter regardless of bios support will support an nvme data drive once

nvme m2 slot laptop 2 slot and supports PCIe SSDs Most modern motherboards support this feature, some older boards had an slot but it was only able to connect to the SATA bus