The EzeeHUB.4X is a 4 ports Hi-Speed USB 2.0 hub for your connectivity needs. This device is USB 2.0 and provides a data transfer rate of up to 480 Mbps (high speed). It supports Windows® 2000, ME, XP, Vista, 7 and Mac OS X or later. The EzeeHUB 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.