PCI-E 4X to 2 Ports Type-C add on card Superspeed USB 3.1 Gen2 output, Supports transfer rates of up to 10Gbps Equipped with SATA 15PIN power supply backup interface Compatible with PCIe x4, PCIe x8, PCIe x16,But does not support PCI-E 1X slot Equipped SATA 15PIN power supply backup interface Stable and reliable ASMEDIA ASM3142 Chipset Full-profile and Low-profile PCI Slot Brackets are included