The Lenovo Ethernet Extension Adapter Gen 2 is a network cable designed for select Lenovo ThinkPad and ThinkCentre systems. It converts Lenovo’s proprietary Ethernet extension connector to a standard female RJ-45 port, allowing for a wired Ethernet connection in cases where there is no built-in LAN port. The adapter is plug and play with no driver installation required and supports functions such as PXE boot, Wake on LAN, MAC pass through, remote control, and hot-plug operation, depending on the supported features of the host system. It features an 8 cm cable length, black finish, and a compact, portable form factor. The adapter is identified by MPN 01YU028 and Lenovo part number 4X90Q84427. It is packaged in a PE bag. Confirmed compatibility includes select ThinkPad models such as L13 Yoga Gen 2, P14s Gen 2, T14s Gen 2, X13 Gen 2, X1 Carbon Gen 6, X280, and ThinkCentre M75t Gen 2. Its purpose is to provide a practical Ethernet extension solution for Lenovo business and portable systems.