StarTech.com Value 6 Port USB 2.0 PCI Card (PCI625USB2I) Installs easily into an available PCI slot Easily add six USB 2.0 ports to your desktop computer (4 external ports, 2 internal ports) Hot swap capabilities allow you to connect and disconnect devices without turning off your computer Offers high speed data transfer rates of up to 480 Mbps PC and Mac compatible