RJ45 NETWORK Adapter Dongle Cable for Lenovo ThinkPad X1 Carbon Gen 8 Laptop Par | eBay
StarTech 2.5GB USB A To Ethernet Adapter, Nbase-t Nic, USB 3.0 Type-A 2.5 GB /1 GB Multi-Speed Gigabit Network, USB 3.1 Laptop To RJ45/LAN, Lenovo X1 Carbon, EliteBook/ Zbook, Type-A to Gigabit
thinkpad ethernet extension adapter gen 2 modification - YouTube