Socket: AMD Socket AM4, Chipset: AMD® B550 Chipset, Memory Channel: Dual, Dimm Slots: 4, Max Memory (GB): 128, Warranty: 03 Years Limited Warranty. PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.