Lenovo SYSTEM BOARDS
5B21L33667
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H3001
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H3CTO1WW
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H4S00600