4 PT USB3 Hub 3 Charging Ports 2x1A 1x2A The ST4300U3C3 USB 3. 0 Hub enables simultaneous data hub and USB charging functionality by adding three dedicated USB charge ports, as well as four USB 3. 0 data ports, for a total of seven ports, all through a single USB 3. 0 host connection. The USB hub ports are compliant with the SuperSpeed USB 3. 0 specification, offering data transfer rates up to 5 Gbps, and are backward compatible with USB 2. 0 and 1. x specifications. This externally powered USB hub also integrates 3 dedicated USB charging ports, providing 2 x 1A and 1 x 2A ports, enabling both data hub and USB charging station functionality. Support for USB Battery Charging Specification 1. 2 lets you charge most mobile devices, including the Apple� iPhone�, iPad�, Microsoft� Surface�, Samsung Galaxy Tab� and more. Designed for easy access to the ports when connecting or disconnecting devices, the hub features an upright port orientation, in a compact and durable metal enclosure. For added flexibility, the hub includes a bracket for wall-mounted installations. Backed by a StarTech. com 2-year warranty and free lifetime technical support.