A520M-A PRO, Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™ 4000 G-Series Desktop Processors, AMD Socket AM4, 1x PCI-E 3.0 x16 slot, HDMI, DVI-D – Requires Processor Graphics, 2 DIMMs, Dual Channel DDR4-4600MHz, 1x PCI-E 3.0 x1 slot, 1x M.2 Gen3 x4 slot, 4x SATA 6Gbs ports