Product Description ASUS PRIME A520M-A II/CSM AMD AM4 (3rd Gen Ryzen?) microATX commercial motherboard (ECC memory, M.2 support, 1Gb Ethernet, DP/HDMI 2.1/D-Sub, 4K@60HZ, USB 3.2 Gen 1 Type-A, ARGB header with AURA sync and ASUS Control Center Express)