Supports 2230/2242/2260/2280 type M.2 interface. It takes the high-speed PCIe lanes that are typically used inside a PCIe slot on your motherboard and them to an M.2 connector. 1 M2 TO PCIE Riser. PCI-E 4X Slot edge is free, so supports PCI-E 1X/4X/8X/16X card.