This Startech Seven-Port Compact Black USB 2.0 Hub allows you to dramatically increase the number of high-speed USB peripherals connected to your computer. It connects via a single USB 2.0 port on Mac or PC computers and immediately adds seven more. You can charge iPod's or other portable devices that are USB 2.0 compatible with this black hub. You can even move USB ports farther away or make them more accessible. This Startech Hub also supports cascaded installation with other USB 2.0 hubs. It supports up to 127 USB 2.0 device connections offering a scalable solution for connecting multiple USB devices to a single host computer. It is self-powered or bus-powered and delivers data transfer speeds up to 480Mbps. This Startech Seven-Port Compact Black USB 2.0 Hub is also backward compatible with USB 1.1.