PCI Express to USB 3.0
Up to 5.Gbps transfer speed - The actual speeds limited by connected device's settings Data Transfer Rate
This card provides your desktop PC with 2 additional USB 3.0 ports. With only a PCI-E slot and a 4PIN power cable of your PC you can enjoy 10 times faster transfer speed than USB 2.0. Backwards compatible with USB 2.0 and 1.1 devices.