ASUS PRIME A520M-K AM4 Micro ATX Motherboard (90MB1500-M0EAY0) - AMD Socket AM4: Supports 3rd Gen AMD Ryzen and 3rd Gen AMD Ryzen with Radeon Graphics Processors, Memory: 2 x DDR4 DIMM Sockets (up to 64GB), Rear IO Ports: 1 x PS/2, 1 x D-Sub, 1 x HDMI, 1 x LAN (RJ45), 4 x USB 3.2 Gen 1 (blue) Type-A, 2 x USB 2.0, 3 x Audio jacks, BIOS: 1 x 256 Mbit Flash, Form Factor: mATX (22.6cm x 22.1cm)