DEVICE TYPE: PCIE TO M.2 ADAPTER CARD INTERFACE: PCI-E X16 FORM FACTOR: PCI-E ADAPTER SLOTS: ( 4 ) FOUR M.2 SLOTS M.2 FORM FACTOR: 2280 / 2260 / 2242 Board Form factor: BRACKET FULL HIGHT Remarcs: NVME drives not included. Works only on systems with PCIe 3.0 x16 BIFURCATION (x4x4x4x4) option in Bios.