MSI B550-A PRO AMD Ryzen ATX Motherboard / 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update / AMD Socket AM4 / AMD B550 Chipset / 1x PCI-E x16 Gen4 + 1x PCI-E x16 Gen3 / 2 x 16 slot / Support 2-way AMD CrossFire Technology / 2 x M.2 Slot / Shield FROZR / PCI-E Steel Armor + FREE DELIVERY !