Lenovo SYSTEM BOARDS
5B21L33524
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L14 Gen 4 (21H5, 21H6) Laptops - 21H5CTO1WW
ThinkPad L14 Gen 4 (21H5, 21H6) Laptops - 21H6S30C00