【USB 3.0 4-Ports】Add four USB 3.0 Port to your to your PCIe-enabled desktop easily with PCI-Express to USB3.0 Expasion Card. | 【High-speed transmission】USB 3.0 Max 5Gbps transmission speed, 4 USB 3.0 port can work at the same time，will provide 5Gbps max data(total) transfer speed for video,audio,photos or files. | 【Self-Powered Technology】Users do not need to plug any additional power cable in the motherboard. | 【Quick and easy installation】Support hot plug, plug and play, low energy consumption, support 4 USB 3.0 devices, backward compatible with USB 2.0 and 1.1 devices. | 【Wide Compatibility】Support Windows 10 / 8 / 7 / Vista / XP (32/64-bit),Support PCIE X1 / X4 / X8 / X16 slot.