iXCC Aluminium 4 Port Compact Portable High Speed USB 3.0 Data Hub for Windows, Mac OS, Linux - Sliver Consolidate up to 4 everyday devices (such as a mouse and a printer) into a single hub; Sleek and compact aluminum alloy body; Fully-Integrated USB3.0 controller offering Super Fast Connection up to 5 Gigabit The self-powered hub installs quickly with no additional drivers or software required; Compatible with any USB 3.0, USB 2.0, USB 1.1 and USB 1.0 Devices [[Not Compatible with External Hard Drive]] and virtually supports all operating system - Window, Macintosh or Linux computer Attached USB 3.0 cable offers convenient and reliable data connectivity for your laptop / notebook / ultrabook / nettop / desktop / tablet PC / mini PC / HTPC / Media Center computers; Ideal accessory for Microsoft Surface / Pro and Macbook Pro / Air. Voltage and Current overload protection protect the HUB and connected devices. ALL iXCC products have 2 Year warranty. User's manual and warranty card included.