Lenovo ThinkPad X280 motherboards

The Lenovo ThinkPad X280 appears with 3 different motherboards in the catalog. Laptops sold under one model name often use several boards over their production life — integrated or discrete graphics, different CPU generations, regional variants — so compare the board code printed on your PCB with the list below.

Board codes seen for this model: NM-B521, LA-F421P.