iXCC 4 Port USB 3.0 Hub for MacBook Air, Surface Pro, and Windows 8 Tablet / Black Bus-Powered Super Speed Compact Hub [VIA VL812 Chipset, Built-in 2 Feet USB 3.0 Cable] Adds 4 USB 3.0 Ports for your Computer with Fully-Integrated USB3.0 controller offering Super Speed Connection up to 5Gbps. VIA VL812 Chipset with Latest v9080 Firmware with Linux, OS X, and Windows support and full USB 2.0 backwards compatibility. 2 Feet Attached USB 3.0 Cable offers convenient and reliable connectivity, for your laptop / notebook / ultrabook / nettop / desktop / tablet PC / mini PC / HTPC / Media Center computers. LED light indicates operation. Compatible with any USB 3.0, USB 2.0, USB 1.1 and USB 1.0 Devices. Plug and play / hot plugging. No driver needed. Supports Windows XP/2003/Vista/7/2008/8 & Mac/Macbook/Macbook Air/Macbook Pro; and Linux Computer with USB port. ALL iXCC products have 2-Year warranty. User's manual and warranty card included.