Support System: Compatible with all WINDOWS systems, LINUX MAC Bus Interface: PCI-E X1 (compatible with X4 X8 X16/ card interface) Effectively solve the problem that the motherboard PCI-E interface is enough, an interface can be extended out of 4. Plug-in board design, directly connected to the motherboard interface without extension cable, and can be fixed to the chassis, greatly improving the stability and reliability. This extension is applicable to the mainboard PCI - E 1X slot, Please plug in the power cord for the floppy. When plug PCI - E extension must be computer broken wires plug again The form a complete set of wire rod is customized, never grab line to plug in. Remember that When plug wire must identify the direction, not to counter or offset, prevent burning equipment, plug wire when the socket of equipment first, then plug wire, avoid too hard plug socket pin is broken. PCI-E slot power solution, no extra power cable needed. Supported OS: DOS, Linux, Windows XP/7/8/10