Features Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) & AMD Ryzen™ 4000 G-Series desktop processors Supports DDR4 Memory, up to 4600 (OC) MHz Lightning Fast Experience: PCIe 4.0, Lightning Gen 4 x 4 M.2 Core Boost: With premium layout & digital power design to support more cores & provide better performance DDR4 Boost: Advanced technology to deliver pure data signals for the best performance & stability 2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation & 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. Unmatched efficiency with PRO Series Introducing the all new B550M-A PRO Motherboard from MSI. The MSI B550 motherboard supports the 3rd Gen AMD Ryzen processors with the addition of PCIe 4.0 technology for eye watering speeds, MSI DDR4 & Core Boost technologies which incorporate a premium layout & digital power design to squeeze every ounce of performance from your components & provide better overall performance & stability, 2oz copper PCB to help with additional thermal dissipation. PRO series motherboards help users work smarter by delivering an efficient & productive experience. Featuring stable functionality & high-quality assembly, PRO series motherboards provide not only optimised professional workflows but also less troubleshooting & longevity. Faster & undistorted current delivery Core Boost technology combines MSI’s premium layout & digital power design which allows for faster & undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPUs, but also creating the perfect conditions for CPU overclocking allowing you to always get the most from your 3rd generation AMD Ryzen Processor. LIGHTNING GEN 4 PCI-E MSI lightning Gen 4 PCI-E is the latest & the fastest PCI-E data transfer solution with 64GB/s of unidirectional transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward & forward compatibility with older & newer specifications. Optimised by steel armor design & server grade PCB, you can enjoy next-gen devices without any compromise.