Lenovo SYSTEM BOARDS
5B21R32088
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 13th Gen (Type 21NX, 21NY) Laptops - 21NX0028AU
ThinkPad X1 Carbon 13th Gen (Type 21NX, 21NY) Laptops - 21NXCTO1WW