MSI A520M-A PRO Gaming Motherboard vs MSI MAG B550 Tomahawk Gaming Motherboard
Updated August 2026 — MSI MAG B550 Tomahawk Gaming Motherboard leads on connectivity and performance.
The MSI MAG B550 Tomahawk offers superior performance and features compared to the A520M-A PRO, making it the better choice for gamers and power users.
Why MSI A520M-A PRO Gaming Motherboard is better
Price
A520M-A PRO is significantly cheaper.
Size
A520M-A PRO is Micro-ATX, suitable for smaller builds.
Basic Features
Adequate for entry-level gaming and productivity.
Why MSI MAG B550 Tomahawk Gaming Motherboard is better
Performance
B550 Tomahawk supports PCIe 4.0 for faster data transfer.
Memory Support
B550 Tomahawk supports up to 128 GB of RAM.
Connectivity
B550 Tomahawk includes USB 3.2 Gen 2 ports.
Overall score
Specifications
| Spec | MSI A520M-A PRO Gaming Motherboard | MSI MAG B550 Tomahawk Gaming Motherboard |
|---|---|---|
| Chipset | A520 | B550 |
| PCIe Version | 3.0 | 4.0 |
| RAM Support | 64 GB | 128 GB |
| USB Ports | USB 3.2 Gen 1 | USB 3.2 Gen 2 |
| LAN | Gigabit | 2.5G + Gigabit |
Dimension comparison
Overview of the MSI A520M-A PRO Gaming Motherboard
The MSI A520M-A PRO Gaming Motherboard is priced at $68.99, making it an economical choice for users looking to build a PC with an AMD Ryzen 5000 processor. This Micro-ATX motherboard is designed for efficiency and productivity, supporting both 3rd Gen AMD Ryzen and AMD Ryzen 4000 G-Series processors. It features support for DDR4 memory with speeds up to 4600(OC) MHz, which enhances performance for various applications.
With its Turbo M.2 technology, the A520M-A PRO maximizes performance for NVMe-based SSDs, ensuring that users can take advantage of the fastest storage options available. Moreover, the integration of Audio Boost technology promises high-quality sound, enhancing the overall user experience. For those focused on stability and longevity, this motherboard offers reliable functionality and less troubleshooting.
Overview of the MSI MAG B550 Tomahawk Gaming Motherboard
The MSI MAG B550 Tomahawk Gaming Motherboard comes at a price of $134.99, positioning it as a more premium option compared to the A520M-A PRO. This ATX motherboard supports the latest AMD Ryzen processors, including future models with a BIOS update. The B550 Tomahawk is engineered for gamers and power users, featuring dual-channel DDR4 memory support of up to 128 GB and speeds reaching 4866 MHz.
One of its standout features is the PCIe 4.0 support, which significantly enhances data transfer speeds compared to PCIe 3.0. Additionally, it provides on-board dual LAN capabilities, including a 2.5G LAN port, ensuring faster and more reliable internet connectivity, which is crucial for online gaming and streaming. The inclusion of Mystic Light for RGB lighting customization adds an aesthetic appeal that gamers often seek.
Performance Comparison
In terms of performance, the MSI MAG B550 Tomahawk outshines the MSI A520M-A PRO due to its PCIe 4.0 support, which allows for faster data transfers compared to the A520M-A PRO's PCIe 3.0. This difference can be crucial for users who require high-speed connections for their graphics cards or NVMe SSDs. Users can experience a significant performance boost in applications that are bandwidth-intensive.
The A520M-A PRO, while adequate for basic tasks and gaming, may not deliver the same level of performance in demanding scenarios as the B550 Tomahawk does. With the B550 Tomahawk's support for dual LAN, users can also enjoy a more stable internet connection, which is particularly beneficial for gaming. Overall, those who prioritize performance should consider the B550 Tomahawk as the superior choice.
Connectivity and Expansion Options
The MSI MAG B550 Tomahawk excels in connectivity and expansion options, offering a broader range than the MSI A520M-A PRO. The B550 Tomahawk features USB 3.2 Gen 2 ports, including the latest USB 3.2 Gen 2x2 Type C standard, enhancing peripheral compatibility. This is a significant upgrade over the A520M-A PRO, which only includes USB 3.2 Gen 1 ports.
Additionally, the B550 Tomahawk supports more extensive memory configurations, accommodating up to 128 GB of DDR4 RAM compared to the A520M-A PRO's limitations. This advantage makes the B550 Tomahawk a better choice for users looking to build a high-performance workstation or gaming rig that requires substantial memory and connectivity options.
Audio and Gaming Features
When it comes to audio and gaming features, both motherboards offer impressive technology, but the MSI MAG B550 Tomahawk stands out with its enhanced capabilities. Both boards boast Audio Boost technology, delivering studio-grade sound quality. However, the B550 Tomahawk provides superior audio codec options, including Realtek ALC1200 and ALC1220P codecs, which can significantly improve audio clarity and immersion during gaming.
The B550 Tomahawk also includes Mystic Light, allowing users to customize RGB lighting with 16.8 million colors and multiple effects, adding a visually appealing element to gaming setups. In contrast, the A520M-A PRO lacks advanced lighting options, making it less appealing for gamers who prioritize aesthetics alongside performance.
Thermal Management
Thermal management is an important aspect of motherboard performance, and the MSI MAG B550 Tomahawk features a more robust thermal solution compared to the A520M-A PRO. The B550 Tomahawk includes an aluminum cover and additional thermal pads rated for better heat dissipation, which is essential for maintaining performance during extended use or high-load scenarios.
In contrast, while the A520M-A PRO does incorporate the M.2 SHIELD FROZR technology for SSD thermal protection, it does not offer the same level of comprehensive thermal management as the B550 Tomahawk. For users who plan to push their systems to the limit, the superior thermal design of the B550 Tomahawk can provide peace of mind.
Price and Value
The MSI A520M-A PRO offers a compelling value at $68.99, making it approximately 49% cheaper than the MSI MAG B550 Tomahawk, which is priced at $134.99. This price difference makes the A520M-A PRO an attractive option for budget-conscious users or those building entry-level systems.
However, the B550 Tomahawk justifies its higher price with a range of features that cater to gamers and power users. The advanced connectivity options, enhanced thermal management, and superior performance capabilities make the B550 Tomahawk a worthy investment for serious builds. Users must weigh their specific needs against their budget to determine which motherboard provides the best value.
Which should you buy?
Choosing between the MSI A520M-A PRO Gaming Motherboard and the MSI MAG B550 Tomahawk Gaming Motherboard depends on your specific requirements and budget. If you are looking for a budget-friendly option that supports basic gaming and productivity, the A520M-A PRO at $68.99 is a solid choice. However, if you demand higher performance, extensive connectivity, and superior thermal management, the B550 Tomahawk, priced at $134.99, is the better investment. Ultimately, the decision hinges on whether you prioritize cost savings or advanced features for gaming and productivity.

