Sunix 4-Port USB 3.0 PCI-E USB4300NS USB-IF Certified Tid 350000211 USBIF certificated USB3.0 host card TID 350000211 Supports PCI Express Base Specification Revision 2.0. Single-lane (x1) PCI Express throughput rates up to 5 Gbps. Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices. Supports USB data transfer rate of 1.5/12/480/5000 Mbps. Expands four external USB3.0 Super-Speed ports on the system. Each USB port supplies +5V / 900mA power output to USB device. Certified by CE, FCC, RoHS, and Microsoft WHQL approval.