Broonel USB Ethernet, USB Network Adapter,LAN Adapter with Multi USB 3.0 Ports Compatible with The Lenovo ThinkPad X1 Carbon Gen 7 14" - Newegg.com
StarTech.com LENX1MDPUGBK Lenovo ThinkPad X1 Carbon VGA and Gigabit Ethernet Adapter Kit - MDP to VGA - USB 3.0 to GbE - Newegg.com
StarTech.com 2.5GbE USB A to Ethernet Adapter, NBASE-T NIC, USB 3.0 Type A 2.5 GbE /1 GbE Multi Speed Gigabit Network, USB 3.1 Laptop to RJ45/LAN, Lenovo X1 Carbon, HP EliteBook/ ZBook -
New RJ45 LAN PORT NETWORK Adapter Dongle Cable for LENOVO X1 CARBON 7TH 8th Gen - Walmart.com