ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 vs MSI PRO Z790-A MAX WiFi ProSeries Motherboard
Updated August 2026 — ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 wins on size, MSI PRO Z790-A MAX WiFi ProSeries Motherboard wins on price and performance.
The ASRock B550M-ITX/AC is a budget-friendly option for AMD users, while the MSI PRO Z790-A MAX WiFi offers advanced features for Intel enthusiasts. Choose based on your processor preference and performance needs.
Why ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 is better
Price
ASRock is significantly cheaper at $109.99.
AMD Support
Supports a wide range of AMD Ryzen processors.
Size
Mini ITX form factor is ideal for compact builds.
Why MSI PRO Z790-A MAX WiFi ProSeries Motherboard is better
Performance
MSI supports DDR5 memory for higher speeds.
Connectivity
Includes Wi-Fi 7 and Bluetooth 5.4.
Power Design
Advanced thermal solutions for high performance.
Overall score
Specifications
| Spec | ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 | MSI PRO Z790-A MAX WiFi ProSeries Motherboard |
|---|---|---|
| Processor Support | AMD Ryzen 3000/4000/5000 | Intel 12th/13th/14th Gen |
| Memory Type | DDR4 | DDR5 |
| Max Memory Speed | 4733 MHz | 7800 MHz |
| Audio | 7.1 CH HD | Not specified |
| Wi-Fi | No | Wi-Fi 7 |
Dimension comparison
Overview of the Motherboards
The ASRock B550M-ITX/AC is priced at $109.99, while the MSI PRO Z790-A MAX WiFi comes in at $279.77, making it about 62% more expensive. Both motherboards cater to different audiences, with the ASRock targeting AMD users and the MSI focusing on Intel processors. Each motherboard is designed to meet specific user needs, ranging from budget-friendly options to high-performance gaming setups.
Processor Compatibility
The ASRock B550M-ITX/AC supports a range of AMD processors, including Ryzen 3000, 4000 G-Series, and 5000 series, but it does not support AMD Athlon processors. In contrast, the MSI PRO Z790-A MAX WiFi is compatible with 12th, 13th, and 14th Gen Intel processors. This distinction is crucial for users looking to build or upgrade their systems, as it determines which CPUs can be utilized with each motherboard. The choice between AMD and Intel ultimately influences the performance capabilities and upgrade paths for users.
Memory Support
When it comes to memory, the ASRock B550M-ITX/AC supports DDR4 memory up to 4733 MHz (OC), while the MSI PRO Z790-A MAX WiFi is designed for DDR5 memory, with support for speeds exceeding 7800 MHz (OC). This substantial difference makes the MSI board a better option for users seeking cutting-edge memory performance, as DDR5 technology can offer higher speeds and improved bandwidth. The choice of memory type can significantly affect system performance, particularly in demanding applications and gaming scenarios.
Graphics Output
The ASRock B550M-ITX/AC features graphics outputs via DisplayPort and HDMI, making it a versatile option for various display setups. In comparison, the MSI PRO Z790-A MAX WiFi does not explicitly mention its graphics output capabilities, but it is designed to work well with the latest Intel processors, which typically support advanced graphics options. Users should consider their specific graphics needs, especially if they plan to use integrated graphics or high-end dedicated graphics cards.
Audio and Connectivity Features
The ASRock B550M-ITX/AC includes 7.1 CH HD audio powered by the Realtek ALC887 audio codec, providing robust sound quality for a variety of uses. On the other hand, the MSI PRO Z790-A MAX WiFi offers a more comprehensive connectivity suite, including Wi-Fi 7, Bluetooth 5.4, and multiple USB 3.2 Gen2 ports. This makes the MSI board a stronger choice for users who prioritize modern connectivity and wireless capabilities, essential for gaming and streaming applications.
Power Design and Thermal Solutions
The ASRock B550M-ITX/AC is built with sturdy components aimed at delivering smooth power to the CPU and enhanced overclocking capabilities. The MSI PRO Z790-A MAX WiFi, however, boasts an advanced power design featuring 16+1+1 DRPS with 80A SPS and dual 8-pin CPU power connectors. Its premium thermal solution includes an extended heatsink and M.2 Shield Frozr, ensuring high performance even during intensive tasks. This focus on power efficiency and thermal management makes the MSI board a more suitable option for high-performance builds.
Price and Value
With a price of $109.99, the ASRock B550M-ITX/AC is significantly more budget-friendly than the MSI PRO Z790-A MAX WiFi, which costs $279.77. This price difference of about $169.78 may make the ASRock a more appealing choice for casual users or those with budget constraints. However, for users seeking advanced features and higher performance, the investment in the MSI motherboard may be justified.
Which should you buy?
Choosing between the ASRock B550M-ITX/AC and the MSI PRO Z790-A MAX WiFi ultimately depends on your specific needs and budget. The ASRock offers a solid, cost-effective option for AMD users looking for basic features and decent performance. In contrast, the MSI board is ideal for those willing to invest more for cutting-edge technology, superior performance, and future-proofing with support for the latest Intel processors and DDR5 memory. If budget is a primary concern, the ASRock is the clear winner, while the MSI is better suited for performance-oriented users.

