Which processors are not supported by the Gigabyte B550 AORUS ELITE?

The Gigabyte B550 AORUS ELITE does not support Ryzen 2000 series processors or the Ryzen 5 3400G and Ryzen 3 3200G APUs, because those two APUs are Picasso-based and incompatible with B550’s PCIe 4.0 implementation.