
MSI MPG B550 Gaming Plus AMD B550 Socket AM4 ATX Motherboard
Overview
The MSI MPG B550 Gaming Plus is a high-performance ATX motherboard built for AMD Ryzen processors, designed to deliver powerful gaming performance, advanced thermal solutions, and next-generation PCIe 4.0 connectivity.
Key Features
- Supports AMD Ryzen 3000 Series processors (Socket AM4)
- DDR4 memory support up to 128GB and 4400MHz (OC)
- PCIe 4.0 and Lightning Gen4 M.2 support
- Dual-channel memory architecture
- Premium thermal design with extended heatsinks
- 2-Way CrossFireX multi-GPU support
- Gigabit LAN with Realtek controller
- 7.1 channel HD audio with Realtek ALC892
Full Manufacturer Description
GAME IN STYLE – The MPG series brings out the best in gamers with RGB lighting control and full personalization.
PREMIUM HARDWARE DESIGN – Engineered for reliability under extreme conditions.
THERMAL SOLUTION – Extended heatsink and enhanced power design ensure stable high-performance CPU operation.
M.2 SHIELD FROZR – Prevents SSD thermal throttling for maximum performance.
DIGITAL POWER DESIGN – 10+2+1 phase design ensures stable power delivery.
CORE BOOST – Provides precise current delivery for multi-core CPUs.
FAST STORAGE – Lightning Gen4 M.2 delivers up to 64Gb/s transfer speeds.
USB 3.2 GEN 2 – Up to 10Gbps transfer speed via Type-A and Type-C ports.
AUDIO BOOST – High quality audio capacitors with isolated design for studio-grade sound.
MYSTIC LIGHT – RGB lighting with 16.8M colours and 29 effects.
Technical Specifications
Processor
| Processor Manufacturer | AMD |
| Processor Socket | Socket AM4 |
| Processor Compatibility | AMD Ryzen 3000 Series |
| Max Processors | 1 |
Memory
| Memory Type | DDR4-SDRAM |
| Memory Slots | 4 DIMM |
| Max Memory | 128 GB |
| Memory Speeds | 1866–4400 MHz |
| Channels | Dual-channel |
| ECC Support | ECC & Non-ECC |
Storage
| Drive Interface | SATA III |
| Drive Types | HDD & SSD |
| RAID | Yes (0,1,10) |
Graphics
| Multi-GPU | 2-Way CrossFireX |
| Max Resolution | 4096 x 2160 |
| Onboard Graphics | No |
Network
| Ethernet | Yes |
| LAN Controller | Realtek 8111H |
| Wi-Fi | No |
Internal I/O
| USB Headers | 2x USB2.0, 1x USB3.2 Gen1 |
| SATA Ports | 6 |
| Fan Headers | 6 |
| RGB Header | Yes |
Rear I/O
| USB Ports | 4x USB2.0, 2x USB3.2 Gen1, 2x USB3.2 Gen2 |
| Display Outputs | HDMI, DisplayPort |
| S/PDIF | Yes |
Audio
| Audio Chip | Realtek ALC892 |
| Channels | 7.1 |
Physical
| Width | 305 mm |
| Depth | 244 mm |
| Height | 65 mm |