4 USB 3.0 Port SuperSpeed PCI Express Controller Card Adapter 15-pin SATA Power

Use this product to expand 4 USB3.0 ports on the PCIE X1/X2/X4/X8/X16 card slot of the computer motherboard. The USB3.0 interface can provide 900mA of current to power external devices. USB 3.0 provides 900mA current.

eBay