The BIOSTAR A520MH 3.1 Ver. 6.0 is a compact Micro ATX motherboard designed for AMD's AM4 socket, supporting Ryzen 3000, 4000G, and 5000 series processors. It features the AMD A520 chipset, offering a solid foundation for budget-conscious builds. The motherboard supports up to 64GB of dual-channel DDR4 memory, with speeds ranging from 2133MHz to 4400MHz (OC), depending on the installed CPU. Storage options include one M.2 slot (M Key) supporting PCIe 3.0 x4 and SATA III SSDs, along with four SATA III (6Gb/s) connectors supporting AHCI & RAID 0, 1, and 10. For expansion, it offers one PCIe 3.0 x16 slot and two PCIe 3.0 x1 slots. Connectivity options comprise six USB 3.2 Gen1 ports, six USB 2.0 ports, one HDMI port, one VGA port, one LAN port, and three audio jacks. The motherboard also includes Realtek RTL8111H Gigabit Ethernet and Realtek ALC887 audio codec for reliable networking and high-definition audio. Designed with durability in mind, it features 100% solid capacitors and supports BIO-FLASHER and A.I FAN technologies for enhanced performance and cooling. The A520MH is compatible with Windows 10 and 11 (64-bit) operating systems.