New Thunderbolt 2 Gigabit Ethernet Converter Apple Lightning Port Converter RJ45 Wire Converter A1433
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter : Amazon.co.uk: Computers & Accessories
Plugable 2.5G USB C and USB to Ethernet Adapter, 2-in-1 Adapter Compatible with USB-C Thunderbolt 3 or USB 3.0, USB-C to RJ45 2.5 Gigabit LAN Ethernet, Compatible with Mac and Windows :
Kanex Thunderbolt Gigabit Ethernet + USB 3.0 Adapter