The Apple MD463ZM/A Thunderbolt to Gigabit Ethernet Adaptor Cable provides smooth connectivity to any high-performance Gigabit Ethernet network. It comes with built-in Thunderbolt cable that provides efficient and easy connectivity. This adaptor is compatible with any Thunderbolt-equipped Mac computer. You can connect this compact accessory to the Thunderbolt port on your Mac to support any 10/100/1000BASE-T networks.