RMA Asrock AM4 AB350M - ASRock Super Alloy Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge) Supports DDR4 3200 (OC) (Ryzen CPU) 2400 (A-series APU) 1 PCIe 3.0 x16, 1 PCIe 2.0 x1 7.1 CH HD Audio (Realtek ALC887 Audio Codec), ELNA Audio Caps 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 SATA3) 8 USB 3.0 (2 Front, 6 Rear) Realtek Gigabit LAN