AGKupel HUB3-Y72BU2US 7-Port Hub USB 2.0 A desktop USB hub designed especially for desktop computers, iMacs, and desktop USB devices. Easily add 7 USB 2.0 Ports to any compatible system, eliminating the hassle of switching between devices. Fast data transfer speeds with a USB 2.0 transfer rate of 480Mbps. Compatible with USB 1.1 and 1.0 as well; No drivers required for Windows XP/Vista/7/8 and Mac OS X 10.2 and above. Worry-free after-sales service: provides a 12-month warranty and free lifetime technical support globally.