AM4, AMD B550 Chipset, 4 x DIMM, DDR4, Max: 128GB, 2133-4600 Mhz, 2 x M.2 slots, 6 x SATA 6Gb/s ports, PCIe 4.0 x16, 3 x PCIe 3.0 x1, Back I/O panel: Intel I225-V 2.5Gb Ethernet, DisplayPort, HDMI, 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C), 4 x USB 3.2 Gen 1, 2 x USB 2.0, Optical S/PDIF out, BIOS FlashBack Button, 5x Gold-plated audio jacks, ATX Form Factor