Lenovo USB 2.0 Ethernet Adapter - USB/RJ-45 for Network Device, Ultrabook - 1 x Male USB - 1 x RJ-45 Female Network - 0A36322
The Lenovo USB 2.0 to Ethernet Adapter (0A36322) connects the ThinkPad X1 Carbon to fast and reliable 10/100 Ethernet. Connect to your corporate VPN at the office or go online in a hotel suite. The adapter's small form factor allows a convenient fit into any computer case or bag to travel, so you can easily take it with you anywhere. ...
eForCity 2x USB A Female F to Ethernet RJ45 Male Router Adapter - 905492
Rosewill USB A Male to RJ45 Network Adapter - RA-USB-RJ45-EX
Compliant with USB 1.1 specificationSupport up to 12Mb/sEmbedded USB transceivers to prevent signal loss10/100 Base-T Ethernet interfaces for extension of up to 120 ft.Self-powered no external power requiredPlug and Play no configuration required