USB 3.0 Gigabit Ethernet Adapter - Convert A USB Port Into An Ethernet Port
For Ultrabooks or a Macbook Air with no Ethernet port, use the USB 3.0 Gigabit Ethernet adapter for simple plug-and-play Gigabit Ethernet network connection capability. Basic Specifications Edimax EU-4306 USB 3 to Gigabit Ethernet Adapter.