MSI MPG B550 Gaming Plus ATX Motherboard
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About This Item
- AMD B550 chipset with Socket AM4 for AMD Ryzen 3000 Series CPUs
- ATX form factor with 4 DDR4 DIMM slots supporting up to 128GB
- 2 M.2 slots with PCIe 4.0 support for ultra-fast NVMe SSDs
- 6 SATA III ports with RAID 0/1/10 for versatile storage
- 7.1-channel audio with Realtek ALC892 codec and RGB LED headers
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MSI MPG B550 Gaming Plus | AMD B550 Socket AM4 ATX Motherboard
The MSI MPG B550 Gaming Plus AMD B550 Socket AM4 ATX is a feature-rich motherboard designed for AMD Ryzen 3000 Series processors. It delivers stable performance, robust power delivery, and comprehensive connectivity for gaming and content creation builds.
Key Specifications
| Metric | Spec. |
|---|---|
| Socket | AM4 |
| Memory Support | DDR4, up to 128 GB |
| Form Factor | ATX |
| Storage | 2x M.2, 6x SATA III |
| Maximum Supported Resolution | 4K (4096 x 2160) |
Premium Hardware Design & Thermal Management
Built with years of MSI engineering expertise, this motherboard uses high-quality components for reliability under demanding workloads. The extended PWM heatsink and enhanced VRM design ensure stable power delivery even during intensive multi-core processing, keeping temperatures under control for sustained performance.
Advanced Cooling & Storage Protection
M.2 SHIELD FROZR prevents SSD thermal throttling by providing direct heatsink coverage to the fastest M.2 drives. With six chassis fan headers and CPU fan support, you can maintain optimal airflow. The board is also optimised for water cooling setups, with a dedicated pump header supporting up to 3A for precise control.
Lightning Fast Connectivity
Featuring PCIe 4.0 x16 for the latest GPUs and Lightning Gen 4 M.2 slots, this board supports ultra-fast storage with up to 64 Gb/s transfer speeds. USB 3.2 Gen 2 ports (Type-A and Type-C) deliver 10 Gb/s data rates, while Gigabit Ethernet ensures stable online gaming.
Immersive Gaming Features
Mystic Light RGB lighting with 16.8 million colours and 29 effects lets you personalise your build. Pre-installed I/O shielding protects ports from electrostatic discharge, while Steel Armor PCIe slots reinforce heavy graphics cards against interference. EZ Debug LEDs help quickly identify hardware issues.
Comprehensive Software Control
MSI Dragon Center provides centralised control over hardware settings, lighting, and fan curves. Click BIOS 5 offers an intuitive interface for overclocking, with Game Boost enabling one-second CPU overclocking and A-XMP profiles for easy memory tuning. Hardware Monitor displays real-time system stats.
Package contents
- MSI MPG B550 Gaming Plus motherboard
- SATA cables (quantity not specified)
- I/O shielding (pre-installed)
- User manual and driver CD
Things to check first
- Confirm your AMD Ryzen processor is 3000 Series or newer for compatibility
- Verify your case supports ATX form factor (305 x 244 mm)
- Check if your GPU and other PCIe devices will fit with Steel Armor reinforcement
- Confirm your cooling solution fits with the extended heatsink design
Frequently Asked Questions
What processors work with this motherboard?
Does it support dual graphics cards?
Is Wi-Fi included on this model?
How many M.2 drives can I install?
Can I overclock my memory easily?
The bottom line
The MSI MPG B550 Gaming Plus is ideal for gamers and PC builders seeking a reliable, well-cooled foundation for AMD Ryzen systems. Its combination of PCIe 4.0, robust VRM design, and comprehensive software control makes it a strong choice for both gaming and content creation. Covered by the applicable manufacturer warranty.
| 12V power connector | Yes |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 6 |
| Number of chassis fan connectors | 6 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM4 |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | SATA III |
| RAID levels | 1, 10 |
| RAID support | Yes |
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 2 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 1 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| USB 2.0 ports quantity | 4 |
| S/PDIF out port | Yes |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Digital audio optical out | 1 |
| LAN controller | Realtek 8111H |
| Top Wi-Fi standard | Not available |
| Number of mounting holes | 9 |
| Motherboard chipset family | AMD |
| PC health monitoring | CPU, Fan, Temperature |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Audio chip | Realtek ALC892 |
| Product colour | Black |
| Number of M.2 M slots | 2 |
| PCI Express x1 Gen 3.x slots | 2 |
| PCI Express x16 Gen 3.x slots | 1 |
| PCI Express x16 Gen 4.x slots | 1 |
| BIOS type | UEFI AMI |
| Clear CMOS jumper | Yes |
| Maximum graphics card memory | 16000 MB |
| Maximum resolution | 4096 x 2160 pixels |
| Harmonized System HS code | 84733020 |
| Width | 305 mm |
| Depth | 244 mm |
| Drivers included | Yes |
| Cables included | SATA |
| Height | 65 mm |
| Weight | 1 kg |
| Distributor SKUs | 10300099, 119042, 4719072731885, 7C56-003R, MPG B550GAMINGPLUS, 564727, 218687, STD10122622, 1505885, CL4719072731885 |
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