QuantumZERO USB3.0 4-Port Hub (Top load, Aluminum Body) Instant access to 4 USB 3.0 SuperSpeed ports. VIA VL813 chipset with latest firmware for best performance and widest compatibility. Built-in 1.3 ft USB 3.0 cable offers greater mobility at work. LED light indicates power status and USB working status Data transfer rate up to 5 Gbps. Backward compatible with USB 2.0, USB 1.1 at their native speeds. You get: QuantumZERO USB 3.0 Aluminum 4-Port Bus Powered Hub with 1.3 ft built-in USB 3.0 cable, Welcome Guide Instant access to 4 USB 3.0 SuperSpeed ports Built-in 1.3 ft USB 3.0 cable offers greater mobility at work VIA VL813 chipset with latest firmware for best performance and widest compatibility. Data transfer rate up to 5 Gbps (640MBps) (actual rates depend on device and computer USB host controller) Backward compatible with USB 2.0 Hi-Speed devices (rates up to 480Mbps), and USB 1.1 Full/Low Speed devices (rates 12/1.5 Mbps) USB over-current protection up to 900 mA per port (limited to maximum USB bus power available from host computer) Sleek design, Aluminum material saves space, enhances mobility LED light indicates power status and USB working status Bus powered, plug and play (individual devices / USB 3.0 host controller may require drivers), supports hot swap