Apple Thunderbolt to Gigabit Ethernet Adapter Introduction
Both adapters are in brand new condition with very little usage. $25 each.
Easily connect to high-performance networks with the Apple Thunderbolt to Gigabit Ethernet Adapter. The adapter connects to the Thunderbolt port on your Mac computer and provides an RJ-45 port that supports 10/100/1000BASE-T networks. Small and compact, it is easy to pack and take with you on your daily commute or when you travel. Enjoy fast, secure transfer of files and quick streaming of audio or video anywhere. The Ethernet adapter works with OS X v10.7.4 or later and is compatible with Thunderbolt-equipped Mac computers.