TP-Link UE300 - USB 3.0 Gigabit Ethernet Network adapter, RJ45, white
The USB 3.0 to Gigabit Ethernet Adapter UE300 adds Gigabit Ethernet network connectivity to your Ultrabook,MacBook Air or desktop through a USB 3.0 port. Backward compatible with USB 2.0/1.1 standards,transferring files at ultrafast speed over an Ethernet port.
Plug and Play in Windows (XP/Vista/7/8/8.1), Mac OS X (10.9/10.10), Linux OS. 
Note: Driver required for Mac OS X (10.5-10.8)
Measurements(WxDxH): 71x26x16,2mm