Manhattan USB 2.0 Hi-Speed 2-port PCMCIA Cardbus Type II Slot 32-bit interface Laptop Adapter Each port supports Hi-Speed USB 2.0 transfer rates of up to 480 Mbps 100% compatible with all USB devices Hot swappable - add and remove USB devices at any time Compatible with any 32 bit PC Cardbus Type II PCMCIA slot Windows 98SE / Me / 2000 / XP & Mac OS 8.6 and above compatible