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ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs MSI A520M-A PRO Gaming Motherboard

Updated August 2026 — ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 wins on overclocking and performance, MSI A520M-A PRO Gaming Motherboard wins on audio quality.

The ASRock B550M-ITX/AC offers superior features and performance for advanced users, while the MSI A520M-A PRO provides excellent value for budget-conscious buyers.

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

Processor Support

Supports a wider range of AMD Ryzen processors.

Memory Speed

Handles DDR4 speeds up to 4733 MHz.

Audio Quality

Offers 7.1 CH HD Audio for immersive sound.

Why MSI A520M-A PRO Gaming Motherboard is better

Price

More budget-friendly at $68.99.

User-Friendly

Includes Dragon Center software for ease of use.

Form Factor

Micro-ATX allows for more components.

Overall score

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4
85
MSI A520M-A PRO Gaming Motherboard
68

Specifications

SpecASRock B550M-ITX/AC Supports 3rd Gen AMD AM4MSI A520M-A PRO Gaming Motherboard
Processor Support3rd Gen AMD Ryzen3rd Gen AMD Ryzen
Memory SupportDDR4 4733+ (OC)DDR4 4600 (OC)
Audio CodecRealtek ALC887Audio Boost
Graphics OutputDisplayPort, HDMIDVI, HDMI
Form FactorMini ITXMicro ATX

Dimension comparison

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4MSI A520M-A PRO Gaming Motherboard

Overview of the Products

The ASRock B550M-ITX/AC is priced at $109.99, while the MSI A520M-A PRO is more budget-friendly at $68.99, making it about 37% cheaper. Both motherboards cater to different user needs, but their specifications and features can significantly influence your decision. The ASRock model supports a wider range of AMD Ryzen processors, while the MSI offers solid performance for entry-level gaming and productivity tasks.

Compatibility with Processors

The ASRock B550M-ITX/AC excels in processor compatibility, supporting AMD AM4 Socket Ryzen 3000, 4000 G-Series, and 5000 series processors, including future AMD Ryzen processors. This flexibility makes it a great choice for users looking to upgrade without changing the motherboard. In contrast, the MSI A520M-A PRO supports the 3rd Gen AMD Ryzen Desktop processors and AMD Ryzen 4000 G-Series, limiting its future upgrade possibilities. If you’re planning on using the latest processors, the ASRock clearly has the edge.

Memory and Overclocking Capabilities

When it comes to memory support, the ASRock B550M-ITX/AC can handle DDR4 memory speeds of up to 4733 MHz (OC), making it a strong contender for enthusiasts who prioritize overclocking capabilities. The MSI A520M-A PRO, while still respectable, supports DDR4 memory up to 4600 MHz (OC). This slight difference could impact performance, particularly for users who want to extract maximum performance from their systems. If memory speed and overclocking are priorities, the ASRock B550M-ITX/AC is the superior choice.

Audio and Graphics Output

The audio and graphics output features of these motherboards also vary. The ASRock B550M-ITX/AC includes a 7.1 CH HD Audio setup powered by the Realtek ALC887 Audio Codec, promising an immersive audio experience. It also offers DisplayPort and HDMI outputs for versatile graphics options. On the other hand, the MSI A520M-A PRO boasts its Audio Boost technology, providing studio-grade sound quality. While both motherboards deliver quality audio, the ASRock’s superior audio channel count and graphics output options make it more suitable for multimedia enthusiasts.

Design and Form Factor

The ASRock B550M-ITX/AC is a Mini ITX motherboard, which is ideal for compact builds and can be advantageous for users with limited space. Conversely, the MSI A520M-A PRO is a Micro-ATX motherboard, offering slightly more room for additional components. The choice between these form factors depends on the user's intended build; if compactness is key, the ASRock is the better option, while the MSI might appeal to those looking to include more components without sacrificing performance.

User Experience and Software Features

Both motherboards focus on delivering a user-friendly experience but do so in different ways. The ASRock B550M-ITX/AC aims for advanced gamers, offering robust power delivery for smooth operation and overclocking potential. Meanwhile, the MSI A520M-A PRO comes with Dragon Center software, which integrates MSI's exclusive tools into a user-friendly interface, enhancing usability for everyday tasks. If software integration and ease of use are essential for you, the MSI is more appealing.

Price and Value for Money

At $109.99, the ASRock B550M-ITX/AC is positioned as a higher-end option compared to the MSI A520M-A PRO, which retails at $68.99. This price difference of about $41 indicates that the ASRock targets users seeking advanced features and future-proofing capabilities. However, given the significant savings of approximately 37%, the MSI motherboard offers exceptional value for budget-conscious users who still want solid performance for gaming and productivity tasks.

Which should you buy?

Choosing between the ASRock B550M-ITX/AC and the MSI A520M-A PRO largely depends on your specific needs and budget. If you are an advanced user looking for high performance, extensive processor compatibility, and overclocking capabilities, the ASRock motherboard is worth the investment. However, if you are on a tighter budget and need a reliable motherboard for general use or light gaming, the MSI A520M-A PRO provides excellent value without sacrificing essential features. Ultimately, weigh your priorities against your budget to make the best decision for your system.