Features: USB 2.0 high speed 480MBPS support 500GB HDDFully plug-and-play USB 2.0 hubJust plug into the computer and instantly enables 4-high speed USB 2.0 ports for your peripheralsEach port has an individual on/off switch for charging stations, tech benches and industrial applicationsPrevent damage to your computer and devices with over-current protectionNo external power requiredHalf-transparent design with blue LED for powerLow power consumptionCompatible with USB 1.1 and USB 2.0 devicesData transfer rate: 1.5Mbps/12Mbps/up up 480MbpsBus-power limit current protection: 500mAColor: blackSystem requirement: Operating System: Windows 98/SE/Me/2000/XP/Vista/7 Package content: 1 x high speed USB 2.0 Hub