MSI MEG B550 UNIFY Socket AM4

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, Dual Channel 5100(OC) MHz+
Quadruple M.2 Connectors: Maximum onboard 4x M.2 slots, support the latest Gen 4 solution with up to 64GB/s bandwidth for maximum transfer speed.
Extreme Power Design: Direct 14+2 phases with 90A Power Stage and dual CPU power connectors to unleash your true power.
Premium Thermal Solution: Aluminum Cover with additional choke thermal pad rated for 7W/mk and PCB with 2oz thickened copper are built for high performance system and non-stop gaming experience.
2.5G LAN with LAN Manager and Intel Wi-Fi 6 AX Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection.
Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 double-side Shield Frozr, AMD Turbo USB 3.2 GEN 2.
Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions.
Pre-installed I/O Shield: Better EMI protection and more convenience for installation.