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

A HHHL NVMe solid-state drive card is easy to insert into a PCIe slot of a server ^ Kingston HyperX Predator PCI Express SSD Unveiled With LSI SandForce

2 drives are “keyed” at one end so as to prevent the end-user from inserting them in an incompatible socket PCIe NVMe drives are 'M' keyed SATA ones,

pcie m2 slot 2 adapters provide one slot for PCIe, and one for SATA True dual PCIe cards have x8 connector, for example AOC-SLG3-2M2 To fully

pciex16 slot configuration slots on motherboards and other devices do not support all SSD sizes 2 PCIe base SSD to PCIe ×4 Adapter HW Tools 14 February 2014