ORICO W9PH4 Universal 4 Port Multi Strip Powered USB 3.0 HUB with Individual On Off Power Switch (black) 4-Port USB 3.0 Hub at 5.0Gbps - backwards Compatible with USB 2.0 and 1.1 devices Supports Windows 8/7/Vista/XP/2003/2000/ME, Mac OS X Plug and play - does not require any software, drivers, or complicated installation process The connection cable is attached to the hub -no need to worry about leaving it behind or losing it Bus Powered - does not require an AC adapter - compatible with Microsoft Surface, Ultrabooks and MacBook Air