MSI MPG B550 GAMING PLUS AM4 AMD B550 USB 3.0 ATX AMD Motherboard

The MSI MPG B550 GAMING PLUS is a full-size ATX motherboard built for AMD Ryzen 5000, 4000 G-Series, and 3000 Series processors (Socket AM4). It features a robust 12+2 phase DrMOS Core Boost power design with digital PWM, extended heatsinks, and an extra choke for stable delivery during heavy overclocking.



Memory support includes four DDR4 DIMM slots up to 128 GB with speeds reaching 5100+ MHz (OC) via A-XMP and MSI Memory Boost. Expansion consists of one PCIe 4.0 x16 slot with Steel Armor, one PCIe 3.0 x16 (x4 mode), two PCIe 3.0 x1 slots, one M.2 PCIe 4.0 x4 slot with Shield Frozr heatsink, one M.2 PCIe 3.0 x2/SATA slot, and six SATA 6Gb/s ports supporting RAID 0/1/5/10.

Connectivity includes Realtek RTL8125B 2.5 GbE LAN, Realtek ALC1200 7.1-channel HD Audio with Audio Boost, HDMI 2.1, DisplayPort 1.4, USB 3.2 Gen 2 Type-C (rear), front-panel USB 3.2 Gen 1 Type-C header, and Mystic Light RGB with addressable Gen2 headers. Additional features comprise Flash BIOS Button, pre-installed I/O shield, Core Boost, DDR4 Boost, and a 3-year warranty, making the MPG B550 GAMING PLUS a proven, feature-rich platform for high-performance Ryzen gaming and productivity builds.