MSI MPG AMD B550 Gaming Plus







MSI MPG AMD B550 Gaming Plus Specifications
MSI MPG AMD B550 Gaming Plus by MSI is a Standard-ATX form factor motherboard based on the mid-range B550 chipset and AM4 socket, providing a balanced set of features and connectivity. It is designed to support DDR4 memory up to 128 GB and memory overclocking up to 4400 MHz. The motherboard features 4 memory slots and offers support for PCIe 4.0 x16, ensuring compatibility with modern GPUs and high-bandwidth expansion cards.
MSI MPG AMD B550 Gaming Plus Performance Review
The MSI MPG AMD B550 Gaming Plus features a high-end VRM setup, supplying 80 A across 10 phases. It can power high-wattage CPUs and support moderate overclocking while maintaining good voltage regulation and thermal efficiency. This makes it an excellent option for gamers and professionals who need reliable high-end CPU performance.
This motherboard includes an entry-level audio chipset — Realtek® ALC892/ALC897 — which provides basic sound quality suitable for casual use. While it’s acceptable for everyday tasks such as web browsing, video playback, and light gaming, it may not meet the expectations of users with mid to high-end audio setups. Audiophiles and those seeking high-fidelity sound should consider using a dedicated sound card or external DAC.
In terms of value, it achieves 85.8% efficiency relative to the best-performing motherboard in its category, making it an excellent choice for users seeking a cost-effective solution.
Motherboard Information
Manufacturer: MSI
Motherboard Name: MSI MPG AMD B550 Gaming Plus
Current Price Amazon: $143
Amazon Price Updated: 18 hours, 22 minutes ago.
Motherboard Available: True
Chipset / Socket: B550 / AM4
Form Factor / Memory Slots: Standard-ATX / 4 slots.
Memory Type / Max Cap / Max OC: DDR4 / 128 GB / 4400 MHz
PCIe Suport: PCIe 4.0 x16
Audio Chipset: Realtek® ALC892/ALC897
Network: 1x Realtek® 8111H Gigabit LAN controller
Motherboard Dimensions: 30.5 cm x 24.4 cm
Quality & Features (max 110pts)
VRM Quality: 11 pts.
Chipset Q & F: 13 pts.
Build Quality: 16 pts.
Connectivity Q & F: 14 pts.
Audio Quality: 8 pts.
Total Points: 62 pts.
VRM Configuration
CPU Power Phases (Amps): 10 (80 A)
Power Design: 10+2+1
Calculated Performance
Quality and Features per Price: 85.8%
Additional Motherboard Information
Memory:
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733 / 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
1DPC 1R max speed 4400 MHz
1DPC 2R max speed 3866 MHz
2DPC 1R max speed 4000 MHz
2DPC 2R max speed 3600 MHz
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory
Graphics:
Support HDCP 1.4 & 2.3
1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz 1
Maximum shared memory of 16 GB
Storage:
6x SATA 6Gb/s ports
2x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/ 3.0 x4 1
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280/ 22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0x4
Supports 2242/ 2260/ 2280 storage devices
The supported specification depends on installed processor.
USB:
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
AMD Processor
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
Internal I/O:
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors
2x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
1xTPM module connector
1x Clear CMOS jumper
Back Panel I/O:
DisplayPort
LAN Port
USB 3.2 Gen 2 10Gbps (Type-A)
HD Audio Connectors
Flash BIOS Button
USB 2.0
HDMI™
USB 2.0
USB 3.2 Gen 1 5Gbps (Type-A)
USB 3.2 Gen 2 10Gbps (Type-C)
Optical S/PDIF OUT
WiFi:
Audio:
7.1-Channel High Definition Audio
Supports S/PDIF output
Special Features: