Lenovo SYSTEM BOARDS
5B20W76020
is compatible in the following Models:
Lenovo ThinkPad T Series laptops
T490 (Type 20N2, 20N3) Laptop (ThinkPad) - 20N3S3R1U
T590 (Type 20N4, 20N5) Laptop (ThinkPad) - 20N4NTO1WW