Per Lenovo IdeaPad 330S-15IKB i3-7020U scheda madre 5B20R07389 R530-2G GPU 4 GB
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.