General information BrandASRock ModelB550M-HDV Supported CPU CPU Socket Type AM4 CPU TypeSupports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors * * Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G. * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASRock website for CPU support list. Chipsets Chipset AMD B550 Memory Number of Memory Slots2×288pin