Function: Make it possible for old PCI device to work on PCI-e slot of motherboard(Can't work in USB port directly); It allows to add 1 PCI device on 1 single PCIe slot; Fit in all PCIe x1, x4, x8, x16 slots on the motherboard; Suport most PCI card such as PCI USB/LAN/serial/parallel card;
Notice: Pls update your bios as newest. Normaly it don't need extra DC power supply. USB 3.0 Cable is just bridge of PCIe signal, it can't work directly in USB ports of computer.