Lenovo SYSTEM BOARDS
5B20S42321
is compatible in the following Models:
Lenovo L Series laptops (ideapad)
L340-17IRH Gaming Laptop (ideapad) - 81LL0005US
L340-17IRH Gaming Laptop (ideapad) - 81LL0011AU
L340-17IRH Gaming Laptop (ideapad) - 81LL00AGUS
L340-17IRH Gaming Laptop (ideapad) - 81LLCTO1WW