Top-Longer Unibody USB 3.0 4-Port Aluminum Hub Simplistic. Speedy. Expansive. Complement your computer with added ports and style.SuperSpeed With transfer rates of up to 5Gbps per port, set aside less time for syncing and device switching, and more time for work (or play).The single piece of aluminum adds a bit of style to your desk which will last for years to come.User-Friendly Design Horizontally-positioned ports give a wider berth for over-sized USB connectors. Enjoy data access made as easy and intuitive as possible.System Requirements: Windows 10 / 8 / 7 / Vista / XP or Mac OS X 10.2 and above. Mac OS X Lion 10.7.4 users should upgrade to Mountain Lion 10.8.2 or later to avoid unstable connections.Compatibility: 2.4GHz wireless devices, MIDI devices and some USB 3.0 devices may not be supported. Try using the host port or a USB 2.0 connection.Power Usage: For a stable connection, dont use this hub with high power-consumption devices such as external hard drives. The hub will sync but not charge tablets and other devices which require a higher power input.