Question about Lenovo 4x90q84427

yes it fits the connector, but i have to mention that the usb-c slot is obstructed by it, so either usb-c or network socket... i don't know why they built this socket like this... would recommend an usb hub with network connector, so you can use the usb-c connector...

Hello Dmadeo,
I think it's incompatible. The connector of the adapter is curved on one side and the connector on the PC is fully rectangular.
I would try with this adapter:
Lenovo Product Specific to (Ethernet / Lan)