MB ASROCK B550M HDV AMD AM4 / 64 GB DDR4 4733+ OC /1 PCIE 4.0 X 16/ 1 PCIE 3.0 X 1 / 1 HYPER M.2 / 4 SATA 3 / 6 USB 3.2 / HDMI 2.1 4K /