XTG Home Power Station: Slim 7 Port Powered USB (2.0 & 3.0) Hub for Fast Charge & High Speed Data Transfer. For use with Mac, Linux and Windows. Includes AC Adapter and USB 3.0 (Type A to Type B) Cable. Transfer data up to 5GBPS with USB 3.0 compatible devices. USB ports are backwards compatible 3 USB 3.0 ports. 3 USB 2.0 ports for charging smartphones. 1 USB port designed specifically for the Samsung Galaxy tab Charge 7 devices simultaneously. Supports plug & play and hot swapping Windows XP/Vista/7/8 or Mac OS X 10.2(Jaguar) & above or Linux 2.4 & above Package contents: XTG Technology USB 2.0/3.0 7-Port Hub, AC adapter & USB type A to type B cable. 1 year warranty