Based on photos at https://www.newegg.com/asrock-b550m-pro4/p/N82E16813157939 https://www.newegg.com/asrock-b550m-pro4/p/N82E16813157939 The audio chip has sid

Based on photos at https://www.newegg.com/asrock-b550m-pro4/p/N82E16813157939 https://www.newegg.com/asrock-b550m-pro4/p/N82E16813157939 The audio chip has side pin counts ending in 12, 24, and 36. According to https://www.igorslab.de/en/realtek-alc1200-demystifies-what-different-the-beginner-soundchip-is-really-different-from-the-larger-alc1220/ https://www.igorslab.de/en/realtek-alc1200-demystifies-what-... The ALC1220 has 14 pins per side, and the ALC1200 has 12. It must be the ALC1200. This review states it is ALC1200, and their photos match the 12-pins per side chip as well: https://epicgametech.com/asrock-b550m-pro4-overview-good-and-affordable-matx-motherboard/ https://epicgametech.com/asrock-b550m-pro4-overview-good-and...