Maximum extension,Most USB interfaces: Update your Computer to 7 ports USB3.0-2 Port Type C and 5 ports Type A, You can connect keyboard, mouse, external hard drives, CD/DVD drives, webcams,usb printers, scanners, game controllers,USB VR, digital cameras, etc Increasing Efficiency: Supports transfer rates of up to 5Gbps copying HD videos, music, photos,data files between USB devices and the computer at blazing fast speeds.Note:The actual transmission speed is limited by the setting of the device connected Widely compatibility: USB 3.0 Backwards compatible with USB 2.0 and 1.1 devices; Comply with PCI-e 3.0 PCIe 2.0 motherboards, Fits PCI Express x1, x4, x8 or x16 socket.Operating System Supports Windows XP/Vista/2008 Server/7/8/10,and Mac 0s (10.8.2 above). Note: Windows XP,/Vista/7, Server,requires driver installation, Windows 10 and Mac OS 10.8.2 above don't need drivers Easy to install: Shut down the PC, unplug the power supply,remove the PC case,push the card in