Lenovo IdeaCentre 3 24ARE05 Motherboard Mainboard UMA AMDR74700U 5B20U54079
5B20U54079, 5B20U54329. Motherboard Mainboard Logicboard Board. R7-4700U UMA HDMI OUT NO DPK. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available.