New OneLink+ to Ethernet Adapter Interface Connector Cable For Lenovo ThinkPad Yoga 260 460 X1 Yoga Cable X1 Carbon 20FB 00JT801 - Newegg.com
Genuine New original For Lenovo ThinkPad X1 Carbon Ethernet Extension Cable adapter RJ45 4X90F84315/04X6435 - AliExpress Computer & Office
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
Original New 4x90f84315 For Lenovo Thinkpad X1 X380 L380 P1 Carbon Ethernet Extension Cable Adapter 04x6435 - Computer Cables & Connectors - AliExpress
HyperDrive USB-C to 2.5Gbps Ethernet Adapter – HyperShop.com
STCLENX1MDPUGBK - StarTech.com Lenovo ThinkPad X1 Carbon VGA and Gigabit Ethernet Adapter Kit - MDP to VGA - USB 3.0 to GbE - Connect your Ultrabook to a VGA projector or display