Lenovo ThinkPad E15 Gen 2 Mainboard Mainboard UMA INTELI71165G7 5B21K59864
5B21K59864, 5B20Z48269, 5B21C71939. 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.