10/100/1000 Mbps Gigabit Ethernet SuperSpeed USB 3.0. Supports SuperSpeed USB 3.0 interfaces and is downward compatible to USB 2.0 and USB 1.1. Hot-swappable (no need to power down). Full duplex with auto-speed detection. Supports Windows XP Vista and Windows 7/8. Compatible to Mac OS X. Low power consumption via a USB bus.