Lenovo ThinkPad T15 Gen 2 T14 Gen 2 Mainboard Mainboard UMA 16G 5B21D65257
5B21H15935, 5B21D65257, 5B21M82431. 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.