Lenovo SYSTEM BOARDS
5B21K84855
is compatible in the following Models:
Lenovo ThinkPad Edge laptops
ThinkPad E14 Gen 4 (21E3, 21E4) Laptops - 21E3000NAU
ThinkPad E14 Gen 4 (21E3, 21E4) Laptops - 21E3CTO1WW