PCIE To 3.0 Expansion Card 2 Port PCI Express 1X 4X 8X 16X Slot H SG
Compatible Slots And Systems: With PCIE X1 interface, it works well on PCIE X1, X2, X4, X8, X16 slots and supports PCIe 1.0 2.0 3.0 protocol on motherboards. Compliant with Serial version 3.0; PCIE 2.0 specification.