One step update your windows computer with Type C and USB 3.0 Port easily with PCI Express to USB3.0 controller adapter card.Supports up to 7 USB 3.0 devices: 1 USB C + 4 USB A; 5 port hub and 1 internal 19PIN connector for connecting two front USB ports.USB 3.0 supports transfer rates of up to 5Gbps - The actual transmission speed is limited by the setting of the device connected.Quick and easy installation; Operating system compatibility: Windows XP/Vista/Server/7/8/10, LinuxWe provide warranty for all our products. Please feel free to contact us if you need any help.