Lenovo SYSTEM BOARDS
5B21L33571
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 - 21H3001XAU
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H3003CIX
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H3CTO1WW
ThinkPad L15 Gen 4 (21H3, 21H4) Laptop - 21H4SCJ600