NM-B191 per Lenovo Y520-15IKBN scheda madre con i5 i7 GTX1050 2/4G 5B20N00215
UMA or DIS (Graphics card). For Lenovo: FRU: 5B20SXXXXX/5B21BXXXXX. A:We promise that it can be compatible perfectly if you provide the correct information of Motherboard,such as the laptop model and the part number of Motherboard.