NM-B421 For Lenovo ThinkPad E480 E580 Motherboard i5 CPU 01LW914 01LW183 01LW193
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.