Lenovo SYSTEM BOARDS
5B21R31848
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X9-15 Gen 1 (Type 21Q6, 21Q7) Laptop - 21Q6003SAU
ThinkPad X9-15 Gen 1 (Type 21Q6, 21Q7) Laptop - 21Q6CTO1WW