Asus prime b550m-a ryzen 7 5800x3d July 8, 2019 16 32 64 128 Asus prime b550m k ryzen 7 5800x3d Asus prime b550m-a ryzen 7 5800x Ryzen 7 5800x motherboard compatibility Amd ryzen 7 5800x 3.8 Amd ryzen 7 5800x processor
