Lenovo SYSTEM BOARDS
5B21L33943
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S28C00
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S2XW00
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2S5AJ00
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2SACE01
ThinkPad L14 Gen 4 (21H1, 21H2) Laptop - 21H2SCMA00