iClever IC-HR004 3 Ports USB 3.0 Hub with RJ45 Adapter Supports data transfer rates of up to 5Gbps, and is backward compatible with USB 2.0 (at up to 480Mbps), or USB 1.1/1.0 at up to 12/1.5 Mbps respectively Adds 4 Superspeed USB 3.0 ports to your PC, laptops and tablets (e.g. Microsoft Surface, Ultrabooks and MacBook) so you can add peripherals with ease Simpler connection of multiple USB devices, with increased spacing between USB ports Built in with surge suppression circuitry and fully hot-swappableBuilt in with surge suppression circuitry and fully hot-swappable Comes with a full 12 month warranty from date of purchase