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.