The Biostar A520MH 3.0 is a Micro ATX motherboard designed for AMD's AM4 socket, supporting Ryzen 3rd and 4th generation processors, including Matisse, Renoir, and Vermeer models. It features the AMD A520 chipset and offers dual-channel DDR4 memory support, accommodating up to 64GB across two DIMM slots, with overclocking capabilities up to 4933+(OC) MHz, depending on the CPU. The motherboard includes one PCIe 3.0 x16 slot, two PCIe 3.0 x1 slots, and one M.2 socket (M Key) supporting PCIe 3.0 x4 and SATA III SSDs. Storage options are expanded with four SATA III (6Gb/s) connectors, supporting AHCI and RAID 0, 1, and 10 configurations. Connectivity features comprise one HDMI port, one VGA port, four USB 3.2 Gen1 ports, and two USB 2.0 ports. Networking is handled by the Realtek RTL8111H Gigabit Ethernet controller, while audio is provided by the Realtek ALC897 codec, delivering 7.1-channel high-definition audio. The motherboard also supports CPU/System temperature monitoring, fan control, and voltage monitoring. Its compact Micro ATX form factor (24.4cm x 20.8cm) makes it suitable for space-constrained builds. The Biostar A520MH 3.0 is compatible with Windows 10 and 11 (64-bit) operating systems.