The Biostar B550MXC PRO DDR4 AMD AM4 Micro ATX Motherboard is a feature-rich and budget-friendly option designed for AMD Ryzen 3rd and 4th generation processors, including Matisse, Renoir, Vermeer, and Cezanne models. Built around the AMD B550 chipset, it supports up to 128GB of DDR4 memory across four DIMM slots, with speeds ranging from 1866MHz to 4933MHz (OC). The motherboard includes one PCIe 4.0 x16 slot for graphics cards and two M.2 slots: one supporting PCIe 4.0 x4 and SATA III SSDs, and the other supporting PCIe 3.0 x4 and SATA III SSDs. Connectivity features comprise one HDMI port, four USB 3.2 Gen1 ports, two USB 2.0 ports, and one USB 3.2 Gen2 Type-C port. Networking is handled by the Realtek RTL8111H Gigabit Ethernet controller, and audio is provided by the Realtek ALC897 codec, delivering 7.1-channel high-definition audio. The motherboard also supports WiFi 6 and Bluetooth 5.0 modules, enhancing wireless connectivity. Its compact Micro ATX form factor (24.4cm x 20.8cm) makes it suitable for space-constrained builds. The Biostar B550MXC PRO is compatible with Windows 10 and 11 (64-bit) operating systems.