12 Port USB 3.0 POWERED Hub (USB 3.0 X6 and USB 2.0 X6) 12 Port USB HUB 6 X 3.0 USB ports 6 X 2.0 USB ports Transfer speeds of up to 5Gbps As much as 10 times faster than USB 2.0! Affordably priced and easy to use. USB 3.0 cable and power adapter included. Backwards compatible with USB 2.0 and 1.0 Includes manufacturer's full One Year Warranty. Many USB devices will only work with "powered" USB hubs like this one.