Bluwee USB 3.0 7-Port Portable Aluminum Hub with 5V 4A Power Adapter and 3.3-Foot USB 3.0 Cable [Silver] Easily add 7 USB 3.0 SuperSpeed ports to your PC and enjoy data transfer rates of up to 5Gbps for faster sync times Supports super-speed (5Gbps), full-speed (480Mbps) and low-speed (12Mbps) USB device profiles, compatible with USB 2.0 and 1.1 specifications Drivers free for Windows (32/64-bit) 8.1/8/7/Vista/XP, Mac OS X 9.0 or above, Linux 2.6.14 or above 7 port USB interface supports hot-swappable, Plug-and-play, easy to use With 5V 4A AC/DC power adapter, Apple-style aluminum Housing creates a natural extension to your Mac