Adapter supporting Gigabit Ethernet via Thunderbolt connection. - Brand: Apple - Product Name: Thunderbolt to Gigabit Ethernet Adapter - Color: White - Type: Adapter - Connection Type: Thunderbolt - Model Number: MD463ZM/A Unused, but old, so the paper has yellowed. Some of the paper items are torn. Operation not confirmed. Please note that I do not have a Mac to test it with. Thunderbolt Ethernet