MSI B550M-A PRO Motherboard AMD Ryzen AM4 DDR4 2x DIMM Slots (Max 64GB) 1x PCI-e 4.0 HDMI DVI 1x M.2 4x SATA3 6x USB 3.2 Gen 1 6x USB 2.0

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.

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors
Supports DDR4 Memory, up to 4600(OC) MHz
Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2
Core Boost: With premium layout and digital power design to support more cores and provide better performance
DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability
2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation and performance reliability
Audio Boost: Reward your ears with studio grade sound quality
Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.