Yubi Power 7 Port Portable USB 3.0 Hub for Ultra Book, MacBook Air, Windows 8 Tablet PC Expand by connecting up to 7 USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 capable computer Compatible with all Windows and Linux systems. Mac systems require latest Apple updates. Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts Powerful 4A laptop-style power adapter with 6 foot cable. Hub is not a standalone charger. 7 per-port LEDs. Sleek Aluminum finish. All 7 ports on one side to minimize cable clutter.