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MSI A520M-A PRO Gaming Motherboard vs MSI B550-A PRO ProSeries Motherboard

Updated August 2026The MSI B550-A PRO offers superior features and performance, making it the better choice for future-proofing. However, the MSI A520M-A PRO is a great budget option.

The MSI B550-A PRO offers superior features and performance, making it the better choice for future-proofing. However, the MSI A520M-A PRO is a great budget option.

Why MSI A520M-A PRO Gaming Motherboard is better

price

A520M-A PRO is C$40 cheaper

memory speed

A520M-A PRO supports DDR4 up to 4600 MHz

audio quality

A520M-A PRO includes Audio Boost technology

Why MSI B550-A PRO ProSeries Motherboard is better

PCIe version

B550-A PRO supports PCIe 4.0

connectivity

B550-A PRO features USB 3.2 Gen 2

thermal design

B550-A PRO has advanced thermal solutions

Overall score

MSI A520M-A PRO Gaming Motherboard
75
MSI B550-A PRO ProSeries Motherboard
85

Specifications

SpecMSI A520M-A PRO Gaming MotherboardMSI B550-A PRO ProSeries Motherboard
BrandMSIMSI
Form FactorMicro ATXATX
Max RAM64GB128GB
USB Ports68
M.2 Slots12

Dimension comparison

MSI A520M-A PRO Gaming MotherboardMSI B550-A PRO ProSeries Motherboard

Overview of the MSI A520M-A PRO Gaming Motherboard

The MSI A520M-A PRO Gaming Motherboard is priced at C$99.99, making it an affordable option for users looking to build or upgrade a gaming PC. This motherboard supports 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen 4000 G-Series Desktop Processors, which enhances its compatibility with a range of modern CPUs. It also supports DDR4 memory with speeds of up to 4600 MHz when overclocked, allowing for efficient performance in gaming and multitasking scenarios. The inclusion of Turbo M.2 support maximises performance for NVMe-based SSDs, ensuring fast data access and load times.

Overview of the MSI B550-A PRO ProSeries Motherboard

In contrast, the MSI B550-A PRO ProSeries Motherboard is priced at C$139.99, positioning it as a more premium option. It also supports 3rd Gen AMD Ryzen Processors, with future compatibility assured through BIOS updates. This motherboard supports DDR4 memory up to 4400 MHz when overclocked, slightly lower than the A520M-A PRO but still providing robust performance. The B550-A PRO features PCIe 4.0 technology, which allows for improved data transfer rates compared to the previous generation, making it suitable for high-performance gaming and content creation.

Performance Capabilities

When assessing performance, the MSI A520M-A PRO Gaming Motherboard offers impressive specifications for its price point, especially with its support for DDR4 memory speeds of up to 4600 MHz. This capability is particularly beneficial for gamers and users who require high-speed memory for demanding applications. The Turbo M.2 feature enhances its appeal by enabling faster data transfer rates for NVMe SSDs, which can significantly improve system responsiveness.

On the other hand, the MSI B550-A PRO ProSeries Motherboard introduces PCIe 4.0, which provides double the bandwidth of PCIe 3.0. This means that users can take advantage of faster graphics cards and SSDs that utilise the PCIe 4.0 standard, making it a better choice for future-proofing. The combination of its premium thermal solutions and additional features like M.2 Shield Frozr further enhances its reliability under heavy workloads.

Build Quality and Design

The build quality of the MSI A520M-A PRO is commendable for its price, featuring a user-friendly layout that simplifies the installation process. While it has solid components, it does not include some of the advanced thermal solutions found in higher-end models.

Conversely, the MSI B550-A PRO ProSeries is designed with a more robust build quality, featuring an extended heatsink design and additional thermal pads that help maintain optimal performance during intensive tasks. The Core Boost technology and the use of a digital PWM IC contribute to a more stable power delivery, making it a better option for users looking to push their systems to the limit.

Connectivity Options

The MSI A520M-A PRO Gaming Motherboard offers essential connectivity options, including several USB ports and a solid array of headers for additional peripherals. However, it lacks the latest technologies such as USB 3.2 Gen 2, which limits its versatility for high-speed data transfer.

In comparison, the MSI B550-A PRO ProSeries excels in connectivity, featuring Lightning USB 3.2 Gen 2 and ample PCIe slots, which allow for expanded storage and graphics options. This motherboard’s design caters to users seeking not only speed but also flexibility in their builds, accommodating a range of devices and peripherals.

Audio and Visual Experience

Audio quality is an important factor for gamers and content creators. The MSI A520M-A PRO includes Audio Boost technology, which enhances sound quality, providing a more immersive audio experience. This is particularly beneficial for gaming, where sound can significantly impact gameplay.

The MSI B550-A PRO ProSeries also provides excellent audio capabilities, but it goes a step further with its premium thermal solution and design that ensures consistent performance even under load. While both motherboards offer strong audio features, the B550-A PRO’s superior design may lead to improved overall system performance during demanding tasks.

Price Comparison

The price difference between these two motherboards is significant, with the MSI A520M-A PRO priced at C$99.99 and the MSI B550-A PRO at C$139.99. This C$40 gap reflects the additional features and performance enhancements offered by the B550-A PRO, which may be justified for users looking for greater future-proofing and higher-end capabilities.

However, for budget-conscious gamers or casual users, the A520M-A PRO provides excellent value without sacrificing essential performance features. The decision largely depends on the user's specific needs and whether they require the advanced capabilities of the B550-A PRO.

Which should you buy?

Ultimately, the choice between the MSI A520M-A PRO Gaming Motherboard and the MSI B550-A PRO ProSeries Motherboard hinges on your specific requirements and budget. If you are looking for a cost-effective solution that delivers solid performance for gaming and everyday tasks, the A520M-A PRO is a great option at C$99.99. However, if you are willing to invest C$139.99 for enhanced features, superior connectivity options, and greater future-proofing, the B550-A PRO is the clear winner. Consider your planned use case, and if you anticipate needing advanced features down the line, the B550-A PRO may well be worth the additional cost.

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MSI A520M-A PRO Gaming Motherboard vs MSI B550-A PRO ProSeries Motherboard | versusfinder