Conquer the Battlefield Introducing the all new B550-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 PRO series lets you work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly. The MSI B550-A Pro motherboard provides not only optimized professional workflows but also less troubleshooting and longevity. Lightning Gen 4 Solution The latest Gen 4 PCI-E and M. 2 solution with up to 64GB/s bandwidth for maximum transfer speed. DDR4 Boost The Fully isolated DIMM slots to deliver pure data signals for the best gaming and overclocking performance. Extended Heatsink The MSI B550-A Pro features an all-metal extended heatsink to enlarge the surface area you can also expect more efficient heat dissipation allowing even high end processors to run at full speed. faster and undistorted current delivery Core Boost technology combines MSI\'s premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, but creating the perfect conditions for your CPU overclocking. LIGHTNING GEN 4 PCI-E MSI lightning Gen 4 PCI-E is the latest and 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 and forward compatibility with older and newer specifications. Optimized by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise.