The Biostar B550MX/E PRO is a feature-rich Micro ATX motherboard designed for AMD's AM4 socket, supporting Ryzen 3000 (Matisse/Renoir) and 5000 series (Vermeer) processors. It features the AMD B550 chipset, offering PCIe 4.0 support for enhanced graphics and storage performance. The motherboard supports up to 128GB of DDR4 memory across four DIMM slots, with overclocking capabilities up to 4933+ MHz, depending on the CPU. Storage options include two M.2 slots (one PCIe 4.0 x4 and one PCIe 3.0 x4) and four SATA III 6Gb/s ports, supporting RAID 0, 1, and 10 configurations. Connectivity features comprise HDMI, VGA, and DVI-D ports for video output, along with 4 USB 3.2 Gen1 ports and 2 USB 2.0 ports. Networking is handled by a Realtek RTL8111H Gigabit Ethernet controller. The motherboard also supports WiFi 6 modules via an M.2 E-Key slot (module not included). Audio is provided by the Realtek ALC897 codec, delivering 7.1-channel high-definition audio. Designed with durability in mind, it includes features like A.I FAN technology for intelligent fan control and is compatible with Windows 10 and 11 (64-bit). With dimensions of 24.4 cm x 24.4 cm, this motherboard is suitable for compact builds without compromising on performance.