vsversusfinder

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs MSI MPG B550 Gaming Plus V1 Gaming Motherboard

Updated August 2026 — ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 wins on price and size, MSI MPG B550 Gaming Plus V1 Gaming Motherboard wins on cooling and performance.

The MSI MPG B550 Gaming Plus offers superior performance and features compared to the ASRock B550M-ITX/AC, making it the better choice for gamers. However, the ASRock is a more budget-friendly option for basic needs.

Why ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 is better

Price

ASRock is $30 cheaper

Size

Mini ITX is compact for small builds

Basic Features

Sufficient for everyday tasks

Why MSI MPG B550 Gaming Plus V1 Gaming Motherboard is better

Performance

Higher memory capacity and speed

Expansion

More slots for upgrades

Aesthetics

RGB lighting for customization

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
70
MSI MPG B550 Gaming Plus V1 Gaming Motherboard
85

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4MSI MPG B550 Gaming Plus V1 Gaming Motherboard
Memory SupportDDR4 4733+DDR4 up to 4400 MHz
Form FactorMini ITXATX
USB PortsNot specifiedMultiple USB 3.2 Gen 2
Audio CodecRealtek ALC887Not specified
Cooling FeaturesBasicExtended heatsink

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4MSI MPG B550 Gaming Plus V1 Gaming Motherboard

Overview of the ASRock B550M-ITX/AC and MSI MPG B550 Gaming Plus

When comparing the ASRock B550M-ITX/AC and the MSI MPG B550 Gaming Plus, the key difference lies in their design and target audience. The ASRock B550M-ITX/AC is a Mini ITX motherboard, making it a compact choice for small form factor builds, while the MSI MPG B550 Gaming Plus is an ATX motherboard, providing more expansion options and features suitable for gaming enthusiasts. The ASRock is priced at $109.99, whereas the MSI is priced at $139.99, showing a cost difference of about 27%.

Performance Features

The MSI MPG B550 Gaming Plus excels in performance features, offering support for dual-channel DDR4 memory up to 128 GB at 4400 MHz, which is significantly higher than what the ASRock B550M-ITX/AC can provide. While the ASRock supports DDR4 4733+ (overclocked), its maximum memory capacity is not specified, making it less appealing for those needing extensive memory capabilities for gaming or content creation. The MSI also includes advanced features like PCIe 4.0 and Lightning Gen 4 M.2 support, which enhance data transfer speeds for SSDs and PCIe devices.

Design and Aesthetics

In terms of design, the ASRock B550M-ITX/AC and MSI MPG B550 Gaming Plus offer different aesthetics appealing to various users. The MSI board features RGB LED lighting through its MYSTIC LIGHT feature, allowing for extensive customization with 16.8 million colors and 29 effects, making it attractive for gamers who want a visually striking build. The ASRock, while more subdued, focuses on functionality with a more compact footprint, which is ideal for small cases but may lack the visual flair of the MSI board.

Connectivity Options

Connectivity is a crucial consideration when choosing a motherboard. The MSI MPG B550 Gaming Plus offers a comprehensive set of features, including multiple USB 3.2 Gen 2 ports, HDMI, and DisplayPort, ensuring compatibility with a wide range of devices. The ASRock B550M-ITX/AC also provides HDMI and DisplayPort outputs, but it does not mention the number of USB ports available. This could limit the options for peripheral connections compared to the MSI, which is designed for gamers needing multiple connections.

Audio and Visual Output

For audio and visual output, both motherboards cater to modern gaming needs but differ in their audio capabilities. The ASRock B550M-ITX/AC features 7.1 CH HD audio powered by the Realtek ALC887 audio codec, delivering quality sound for gaming and media consumption. The MSI MPG B550 Gaming Plus, while its audio specifications are not detailed, is known for its premium thermal solution and overall performance enhancements, which typically include high-quality audio components. Given the focus on gaming, the MSI may provide a more immersive audio experience, although specific details are lacking.

Cooling Solutions

Cooling solutions are vital for maintaining performance, especially during intensive tasks. The MSI MPG B550 Gaming Plus stands out with an extended heatsink design and additional choke thermal pads rated for 7W/mk, ensuring efficient heat dissipation during heavy usage. On the other hand, while the ASRock B550M-ITX/AC likely has adequate cooling for its size, it does not emphasize advanced cooling features, which could be a drawback for users planning to overclock or use high-performance components.

Price Comparison

When it comes to pricing, the ASRock B550M-ITX/AC is priced at $109.99, making it a budget-friendly option compared to the MSI MPG B550 Gaming Plus, which retails for $139.99. This price difference of $30 translates to about 27%, which could be a significant factor for budget-conscious buyers. However, the MSI board justifies its higher price with additional features and potential for better performance, making it worth considering for users looking for long-term investment.

Which should you buy?

Ultimately, the choice between the ASRock B550M-ITX/AC and the MSI MPG B550 Gaming Plus depends on your specific needs. If you're looking for a compact motherboard that is budget-friendly and sufficient for basic gaming or everyday tasks, the ASRock B550M-ITX/AC is a solid choice at $109.99. However, if you seek more performance, expandability, and aesthetics for a gaming rig, the MSI MPG B550 Gaming Plus at $139.99 offers superior features and capabilities that may justify the higher price.