Description: PCI-Express 2.0 specification, VL high-performance chip Expansion of more than 5 high-speed USB3.0 interface, which can be connected to five devices Expansion of a USB3.0 20PIN slot can be used to expand the chassis front panel USB3.0 interface USB3.0 transfer rate up to 5Gbps, backward compatible with USB2.0 / 1.1 USB3.0 interface provides 5V2A super strong power supply, adequate and stable power supply Support hot swap, plug and play SATA POWER power supply, adequate and stable power supply to ensure the stable operation of equipment Low-power, environmentally friendly energy-saving products, low fever, work stability Support Window 2000 / XP / 2003 / VISTA / 2008 / Windows 7 Specification: Material: metal + PC board Size: 120 * 67 * 1.5mm The expansion card can be installed in the Desktop Board PCI-E slot, providing an external five USB3.0 interface, an internal USB3.0 20PIN interface Package Includes: 1x expansion card 1x CD