MSI B550M-A Pro Motherboard

The MSI B550M-A Pro is a Micro-ATX form factor motherboard built on AMD’s B550 chipset, designed for the AM4 socket platform. It is engineered to support AMD Ryzen 5000 Series and Ryzen 3000 Series desktop processors, giving builders a straightforward upgrade path within the AM4 ecosystem. Note that this board is not compatible with the AMD Ryzen 5 3400G or Ryzen 3 3200G APUs, so prospective buyers should verify processor compatibility before purchase. The board uses DDR4 memory, which remains a widely available and cost-effective standard, making it accessible for new builds and upgrades alike. Its mATX footprint makes it a practical choice for compact desktop cases while still offering the connectivity expected of a mainstream enthusiast platform. As part of MSI’s PRO series, the B550M-A Pro is positioned toward productivity-focused and value-conscious builders who want reliable platform fundamentals without paying a premium for features they may not use. The board ships in a black PCB colour and is covered by MSI’s stated 3-year warranty, providing a meaningful layer of after-purchase support. For those building an AMD-based system on a budget, the B550M-A Pro pairs naturally with MSI’s own discrete GPU lineup — from entry-level options to more powerful cards — as well as compatible ATX or mATX power supplies for a cohesive system build. Verified Specifications: • Chipset: AMD B550 • Socket: AM4 • Form Factor: Micro-ATX (mATX) • Memory Type: DDR4 • Compatible Processors: AMD Ryzen 5000 Series, AMD Ryzen 3000 Series (excluding Ryzen 5 3400G and Ryzen 3 3200G) • Platform: AMD • Colour: Black • Warranty: 3 Years • GTIN / EAN: 4719072752613 • Series: MSI PRO