Lenovo SYSTEM BOARDS
5B21L33978
is compatible in the following Models:
Lenovo Chromebooks Series
Lenovo 500e Yoga Chromebook Gen 4 - 82W50003AU
Lenovo 500e Yoga Chromebook Gen 4 - 82W5S02F00
Lenovo 500e Yoga Chromebook Gen 4 - 82W5S0A800