Notice: Pls update your bios as newest.If your PCI card is short card,you can buy the version without SATA extension Cable.
Make it possible for PCI device to work on PCIe slot(Can't work in computer USB port directly)
It allows to add 2 PCI device on 1 single PCIe slot
PCIe 1X interface can fit in PCIE X1 X4 X8 X16 slot of motherboard