The Apple Thunderbolt to Gigabit Ethernet adapter allows you to connect your MacBook or iMac to a wired network. Useful when, for example, you have limited or no access to wireless internet, or when you want to transfer data quickly. This adapter supports 10/100/1000BASE-T networks.
This is an original Apple accessory.Use this adapter to turn the 'standard' USB(-A) input of your MacBook or iMac into an Ethernet input. You'll also need an extra (not included) ethernet cable.