Lenovo SYSTEM BOARDS
5B21L33959
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S00000
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S0W305
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S5N402
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2SB5S03