Gigabyte Aorus B550M Pro AMD 3rd Gen Micro ATX Motherboard Published March 1, 2021 at 500 × 500 in Gigabyte Aorus B550M Pro AMD 3rd Gen Micro ATX Motherboard Gigabyte Aorus B550M Pro AMD 3rd Gen Micro ATX Motherboard Gigabyte Aorus B550M Pro AMD 3rd Gen Micro ATX Motherboard