Adds 4 external and 1 (shared) internal Hi-Speed USB 2.0 ports Each port supports data transfer rates of up to 480 Mbps Compatible with all USB devices and hot-swappable — add and remove USB devices at any time Up to 500 mA power to attached devices 4 external and 1 (shared) internal Hi-Speed USB 2.0 ports, A-type PCI 32-bit interface VIA 6212 chipset Windows 2000/XP/Server 2003/Vista compatible
