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 and provides a data transfer rate of up to 480 Mbps (high speed). The GUH275 is an updated, portable version of IOGEAR's first USB 2.0 hub, this updated version features a smaller form factor and uses an industry standard hub chip supporting the 480Mbps bandwidth to each device. 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.