Resolved! In 'G4 infographics, isn't it worth mentioning that they do have USB-device?
https://www.st.com/content/ccc/fragment/product_related/series_information/series_level_diagram/group0/ca/c2/20/64/b9/00/41/67/stm32g4_series_ss2024/files/stm32g4_series_ss2024.jpg/_jcr_content/translations/en.stm32g4_series_ss2024.jpgJW