1.Add 2X USB 3.1 Gen2 10Gbps (16Gbps total bandwidth) USB type C ports on desktop computer. Each USB-C port will get 10Gbps max superb speed for video, audio data transfer. | 2. Equipped with LTERIVER Smart Power Control Technology.No need to plug any power cable,but each USB port can get 5V/3A max power,5V/6A in total.Make sure connected USB 3.1 Gen2 device works in high performance. | 3.Select ASMedia ASM3142 USB 3.1 extensible host controller,the latest USB 3.1 Gen2 expansion card solution.PCIE 3.0 X4 interface design will compatible with PCIE X4, X8, X16 slot. | 4.Need to install driver on Windows 7 and Windows Server 2008,2008R2(32/64bit) system. Driver free on Windows 8.0,8.1,10(32/64bit) and Windows Server 2012,2012R2,2016, 2019 system.Plug and play on MAC OS 10.9,10.10,10.12,10.13,10.14 and 10.15 system,NOT support MAC OS 10.11 system. | 5.WARNING:1.Check if computer have empty PCIE X4/X8/X16 slot for this USB 3.1 Gen2 card before purchase.2. Windows7, Windows Server 2008, 2008R2(32/64bit) system need to install driver.3.Please change to low profile bracket if using it on slim desktop computers.4. Driver Download: www.lteriver.com Tech-support: [email protected]