IOGEAR's 4-port USB 2.0 hub provides 4 Hi-Speed USB 2.0 ports for your high-speed connectivity needs. This device is USB 2.0 certified and provides a data transfer rate of up to 480 Mbps (high speed). It supports Windows 98SE, 2000, ME, XP, Vista and Mac OS X or later. The MicroHub 2.0 also supports USB 1.1 devices since it is backward compatible with USB 1.1 specifications. It is very easy to use, Plug-n-Play, hot swappable and portable. It is backed by IOGEAR's 3 Year Limited Warranty. Features - 4 USB 2.0 ports for easy expansion - Supports a data transfer rate of up to 480 Mbps - 40 Times faster than USB 1.1 products - Guarantees 12Mbps bandwidth to each port for USB 1.1 devices - Plug-n-Play, hot swappable - Backward compatible with USB 1.1 specifications - Supports Windows 98SE, 2000, ME, XP, Vista and Mac OS X or later version - Overcurrent Protection - LEDs allow for easy status monitoring