The 7-port USB 2.0 hub provides 7 Hi-Speed USB 2.0 ports for your high-speed connectivity needs. This device is fully compliant to USB 2.0 specifications and provides a data transfer rate of up to 480 Mbps. The MS-UH2070 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.7 downstream and one upstream portsSupports data transfer rate of up to 480 Mbps40 times faster than USB 1.1 productsconnect up to 127 devices together ( through daisy chaining)Plug-n-Play, hot swappableAutomatically switches to the highest speed supported by peripheralBackward compatible with USB 1.1 specifications* This is a self-poweredhub withexternal power adapterincluded.Compatible Operating Systems:Windows 95Windows 98Windows MEWindows NTWindows 2000Windows XP (32-bit and 64-bit)Windows Vista (32-bit and 64-bit)Windows 7 (32-bit and 64-bit)Mac OS 9Mac OS 10.0Mac OS 10.1Mac OS 10.2Mac OS 10.3Mac OS 10.4Mac OS 10.5Mac OS 10.6Linux