PCI-E USB3.0 expansion card uses a VIA controller chips - VL805
The maximum transfer rate of up to 5Gbps
Backward compatible with USB2.0， USB1.1， USB1.0
Transfer Rate: 5000 / 480 / 12 / 1.5Mbps
USB power output: 5V 900mA maximum
Built-in four independent external USB 3.0 ports
Supports USB hot-plug function
Big 4P need to plug the power supply port (white 4-pin on the card interface) to work properly
Compliant with PCI-Express specification version 2.0