Product DescriptionAdd high speed USB 2.0 ports to your desktop computer with this PCI-Express x1 to 4+1-Port USB 2.0 Controller Card! This Controller Card lets you connect up to five USB 2.0 devices (four external ports and one internal port) and enjoy fast 480 Mbps data transfers! It's compliant with PCI Express base specifications 1.0a and features a PCI-Express x1 interface! Order today!