IOGEAR 2-port USB 3.1 Gen II, 10Gbps SuperSpeed+ USB-C PCI-Express Card, GIC3C2 Add two USB Type-C ports to your desktop computer USB 3.1 PCIe physical x4 Lane Host Adapter Two USB 3.1 Type-C downstream connectors on board Supports data transfer speed of up to 10Gbps Compliant with USB 3.1 Specification Revision 1.0 Compliant with PCI Express Specification 3.0 Each USB port supplies maximum 5V/3A power output Operating System Support Windows 7, Windows 8, Windows 8.1, Windows 10 (32/64-Bit)