MSI B550-A PRO AM4 ATX Motherboard

The MSI B550-A PRO is an ATX motherboard designed around the AMD B550 chipset for the AM4 socket. It provides native compatibility with AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors, establishing a stable foundation for professional and high-performance builds. The primary steel-reinforced PCIe 4.0 x16 slot supplies maximum bandwidth for modern graphics cards. The board's power delivery system is supplemented by an 8-pin EPS connector, which contributes to reliable operation under sustained CPU loads.

Memory support includes four DIMM slots for up to 128GB of dual-channel DDR4 RAM, with overclocked speeds reaching 4400 MHz. For data storage, the board is equipped with two M.2 slots for high-speed NVMe SSDs alongside six traditional SATA III ports, supporting RAID 0, 1, and 10 configurations. Connectivity is handled by a comprehensive rear I/O panel that features USB 3.2 Gen 2 Type-A and Type-C ports, a 1GbE LAN port, and both HDMI 2.1 and DisplayPort video outputs for use with APUs.

• Supports AMD Ryzen 5000, 4000 G-Series, and 3000 Series desktop processors
• Utilizes the AMD B550 chipset
• Features a standard ATX form factor
• Provides four DDR4 memory slots with up to 128GB capacity
• Includes two M.2 slots and six SATA 6Gb/s ports for storage
• Offers one PCIe 4.0 x16 and one PCIe 3.0 x16 slot
• Equipped with a 1GbE LAN port for wired internet access
• Integrates Realtek ALC892/ALC897 7.1-channel high definition audio
• Contains internal headers for chassis fans, USB, and RGB lighting