ASUS PRIME A520M-A II. It is a micro-ATX form factor board designed for the AMD AM4 socket, making it compatible with Ryzen 3000, 4000 G-Series, and 5000 series desktop processors.
RAM Support: Features 4 x DDR4 DIMM slots supporting a maximum of 128 GB dual-channel memory.Storage Expandability: Includes 1 x M.2 slot (Key M) supporting PCIe 3.0 x4 modes and 4 x SATA 6Gb/s ports.PCI Express Expansion: Equipped with 1 x PCIe 3.0 x16 slot for dedicated graphics cards and 2 x PCIe 3.0 x1 slots.Onboard Cooling Headers: Contains 1 x 4-pin CPU Fan header and 2 x 4-pin Chassis Fan headers.Rear I/O Connectivity: Features a DisplayPort, HDMI port, D-Sub (VGA) port, 4 x USB 3.2 Gen 1 ports, 2 x USB 2.0 ports, a Realtek 1Gb Ethernet port, 3 x audio jacks, and a legacy PS/2