The USB 2.0 Hi-Speed Hub is compliant with the USB 2.0 Hi-Speed specification. It has 7 ports which will connect either the new USB 2.0 Hi-Speed high performance peripherals or the legacy USB 1.1 devices. It's providing easy plug and play USB expansion. Just like USB 1.1 you can connect as many as 127 devices to your computer using multiple USB 2.0 hubs. All ports are fully supported for compatibility with bus-powered peripherals.