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 4400(OC) MHz Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr Premium Thermal Solution: 7W/mK pad, additional choke thermal pad and M.2 Shield Frozr are built for high performance system and non-stop works Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost 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.

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. FULLY CONTROLLABLE IN BIOS AND SOFTWARE MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier. B550M-A PRO 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.