The Lenovo part number 5B21B85040 refers to a motherboard designed for the Lenovo V14 G2-ITL and V15 G2-ITL laptops. This motherboard comes equipped with an Intel Core i3-1115G4 processor and 4GB of onboard RAM. It’s identified by the model number NM-D474 and is intended to replace or upgrade the existing motherboard in compatible laptop models. As of February 2025, availability may vary, with some retailers listing it around $169 to $179. citeturn0search4
