IOGEAR brings you the first two-port USB 2.0 PCI card (GIC220U). USB 2.0 will move data at a blazing rate of 480 Mbps (Megabits per second) and is fully backward compatible with the first generation of USB devices. With the increase in speed USB 2.0 will offer enhanced functionality allowing more devices to share the increased bandwidth. The USB 2.0 PCI card will allow you to take full advantage of the USB 2.0 technology on your current USB 1.1 systems. Don"t get left in the dust with out-of-date technology; take advantage of the scalability that USB 2.0 products provide. Primary InformationNetworking Type : USB adapter Form Factor : Plug-in card Networking Interface : PCI Networking / Ports Qty : 2 ports Data Transfer Rate : 480 Mbps Data Link Protocol : Hi-Speed USB Connectivity Technology : Wired 40 times faster than USB 1.1;Supports high speed data transfer rates of up to 480 Mbps;Supports Mac OS 8.6 to 9.2 (USB 1.1 only) OS X.0.3 (USB 2.0); Windows98SE 2000 ME XP;2 External Type A USB Ports;Hot Swappable - Plug-n-Play Dimensions&MiscellaneousWidth : 0.75 Inch Depth : 4.75 Inch Height : 4.75 Inch ExpansionInterfaces & Connections : Interfaces: 2 x Hi-Speed USB - 4 pin USB Type A - 2 Compatible Slots: 1 x PCI Service&SupportService & Support Type : 3 Year Limited Warranty UNSPSC CodeUNSPSC Code : 43201404 Product IDUPC: 672792500435Manufacturer Part: GIC220U