Fully compliant with USB specification revision 2.0 Supports USB-based ExpressCard/34mm devices Support data transfer rate up to 480Mb/s Hot-plug support allows you to connect /remove this Adapter without turning off your system Quickly and easily adapts ExpressCard/34 (USB-based) devices to work through your notebook's CardBus slot Work with USB-based ExpressCard devices including broadband wireless modem (such as CDMA, EV-DO, GPRS, etc. ), flash memory, flash cards adapters, security, legacy I/O(PS2, serial, parallel), optical disk drives, GPS receivers, and more.. Supports Windows 2000/XP/Server 2003/Vista/Windows 7