Per Lenovo ThinkPad X1 Carbon X1C scheda madre i5 i7 CPU 4 GB/8 GB 11246-1 04X0848
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.