Powered by AMD Ryzen AM4 processors, the MSI B550-A PRO combines stable functionality and high-quality assembly to solve professional workflows. Extended Heatsink Design and Core boost keep critical components operating reliably. PCIe 4.0 slots and M.2 with Shield Frozr provides the latest in device connectivity.
Make sure this fits by entering your model number.
Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update
Supports dual channel DDR4 memory up to 128 GB (4400 MHz)
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
Core Boost technology combines optimized power circuit layouts and digital power regulation which allows for precise and steady current delivery to the CPU
AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences
Premium Thermal Solution: Heatsink thermal pad rated for 7W/mk and PCB with 2oz thickened copper
Flash BIOS Button lets users flash the BIOS even without a CPU or memory
Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost