Lenovo SYSTEM BOARDS
5B21B35257
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L380 (20M5, 20M6) Laptops - 20M50044AU
ThinkPad L380 (20M5, 20M6) Laptops - 20M5CTO1WW
ThinkPad L380 (20M5, 20M6) Laptops - 20M63136
ThinkPad L380 (20M5, 20M6) Laptops - 20M6S0CP00
ThinkPad L380 (20M5, 20M6) Laptops - 20M6S0E600
ThinkPad L380 (20M5, 20M6) Laptops - 20M6S1H100