Lenovo SYSTEM BOARDS
5B21R00837
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 13th Gen (21NS, 21NT) Laptop - 21NSCTO1WW
ThinkPad X1 2-in-1 Gen 10 (Type 21NU, 21NV) Laptop - 21NUCTO1WW