MoKo Preminum 4 Port Aluminum USB 3.0 Hub with Built-in 3.3ft USB 3.0 Cable For Mac, iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or any PC Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini Superspeed USB 3.0 port enables data transfer rate up to 5Gbps. Backward compatible with USB 2.0(High Speed 480Mbps),USB 1.1(Full Speed 12Mbps) Easily add four usb 3.0 ports for your laptops and tablet PCs, allow to connect hard drive disk, smartphones, card reader and more external devices No power adapter included, with its lightweight body and compact size, its portable for carry and travel Hot swappable, plug and play, no drivers required for Windows (32/64 bit) 8.1 / 8 / 7 / Vista / XP, Mac OS X 10.6 to 10.9, Linux 2.6.14 or above