Lenovo IdeaPad 5-15ARE05 scheda madre scheda madre UMA Advanced Micro Devices Ryzen 3 4300U 5B20S44360
5B20S44360, 5B21B33105. Motherboard Mainboard Logicboard Board. This part is a genuine part direct from Lenovo so you can be sure you are receiving the highest quality product available. Genuine Lenovo.