https://noctua.at/en/nm-amb15 NM-AMB15The NM-AMB15 are offset AM5 mounting bars for Noctua CPU coolers with 78mm mounting pitch that require their mounting points at the east and west side of the socket for optimal orientation, such as the popular NH-U14S, NH-U12A, NH-U12S or NH-U9S (see detainoctua.at https://youtu.be/eRsv1dOuOHk