Lenovo SYSTEM BOARDS
5B21K96238
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L15 Gen 4 (21H7, 21H8) Laptops - 21H70001AU
ThinkPad L15 Gen 4 (21H7, 21H8) Laptops - 21H8S00J00