[. . . ] [. . . ] Moreover, with USB 3. 0 you also have more bandwith which means you can receive and transmit data at the same time. This makes this USB 3. 0 Hub ideal for connecting an external hard-disk and copying large files such as HD movies or music. Simply activate the long-term warranty by registering your product within 3 weeks of purchase. Technical specifications: • 5000 Mbps transfer speed • 4 USB 3. 0 ports • USB 3. 0 A - Micro B cable This package contains: - USB 3. 0 hub 4 port - USB 3. 0 A - Micro B cable - Power adapter (100-240V) System requirements: - Windows 7/Vista/XP/2000/ Mac OS X 10. 4 and up - 1 USB 1. 1, 2. 0 or 3. 0 port USB 3. 0 compatible RoHS compliant [. . . ] [. . . ]