MSI MPG B550 GAMING PLUS ATX Motherboard (AM4, DDR4, PCIe 4.0)

Description

Overview

The MSI MPG B550 GAMING PLUS is an ATX AM4 motherboard designed for gaming builds and high‑performance desktops. It provides PCIe 4.0 support for modern graphics cards and NVMe storage (when used with a compatible Ryzen CPU), an M.2 Shield Frozr thermal solution, and a robust power and cooling design intended to support higher core‑count Ryzen processors.

Key features

• Socket & chipset: AMD Socket AM4 with B550 chipset; supports Ryzen 3000/4000 G‑series/5000 series (check MSI support for the latest CPU compatibility and BIOS requirements).
• Memory: 4× DDR4 DIMM slots, up to 128GB, OC to 4400(OC) MHz (A‑XMP).
• Storage & expansion: 1× M.2 Gen4 x4 + 1× M.2 Gen3 x4, 6× SATA 6Gb/s, 2× PCIe x16 (one PCIe 4.0 from CPU) and 2× PCIe x1.
• Connectivity: USB 3.2 Gen2 (Type‑A + Type‑C), USB 3.2 Gen1, USB 2.0, DisplayPort and HDMI (requires APU), Realtek RTL8111H Gigabit LAN, optical S/PDIF and 7.1 channel HD audio with Audio Boost.
• Convenience: Pre‑installed I/O shield, Flash BIOS Button (BIOS flash without CPU/DRAM/GPU), EZ LED control and reinforced PCIe Steel Armor.

Technical specifications (summary)

• Form factor: ATX
• Chipset: AMD B550
• LAN: Realtek RTL8111H Gigabit
• Audio: 8‑channel (7.1) HD Audio with Audio Boost
• Rear I/O highlights: 2× USB 3.2 Gen2 (1× Type‑A, 1× Type‑C), multiple USB 3.2 Gen1 and USB 2.0 ports, HDMI, DisplayPort, Flash BIOS Button

For exact compatibility (BIOS versions, supported CPU microcodes and memory QVL), consult MSI’s product support and the official datasheet prior to purchase or BIOS updates.