The JUH340 high-performance USB 3.0 4-Port Hub allows up to four USB 3.0 devices to be connected simultaneously at a transmission speed of 5 Gbps, while still providing connectivity and support for USB 2.0 (480 Mbps) and 1.1 (12 Mbps) devices. It works with high-bandwidth SuperSpeed USB 3.0 devices, such as external disk drives, high-resolution webcams, video surveillance cameras, digital video cameras, multi-channel audio and more. In addition, it supports fast charging for smart phones, tablets and iPads.