Features: 1.8A independent power supply, 4?phase power module, 4?way independent power supply. 2.Maximum transmission rate up to 5Gbps, wide range of compatibility design. 3.Extends four standard desktop USB3.0 connectors. USB 3.0 has 10 times the performance of USB 2.0. 4.USB 3.0 is full compatible with the original USB system, peripherals and cables. 5.USB 3.0 is backward?compatible with USB 1.0/1.1/2.0 devices (data transfer rate 1.5/12/480Mbps). specification:Condition: 100% Brand New Item Type: Converter NEC Material: Copper Chip Set: NEC D720201 Extends four standard desktop USB3.0 connectors. SuperSpeed USB 3.0 is full compatible with the original USB system, peripherals and cables. Compliant with onelane (X1) PCI Express 2.0 . SuperSpeed USB 3.0 has 10 times the performance of USB 2.0. USB 3.0 conforms to the Extensible Host Controller Interface (xHCI). Maximum transmission rate up to 5Gbps. SuperSpeed USB 3.0 is backward-compatible with USB 1.0/1.1/2.0 devices (data transfer rate 1.5/12/480Mbps). Compatible with PlugNPlay and hot swap. No external power supply. Required Configuration: PC with 512MB Random Access Memory and 1.0GHz or faster processor. 1pc PCI Express 1, X or 2, X slot available. Supported Operating Systems: For Win XP 32/64 For Win 7 32/64 For Win 8 (plug and play support) For Win 8.1 (plug and play support) For Win 10 (plug and play support) PackageList: 1 x Converter 1 x CD