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MSI PRO B850M-A WiFi Motherboard vs ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz

Updated August 2026The MSI PRO B850M-A WiFi motherboard offers superior performance and features compared to the ASRock B550 Phantom Gaming 4 AC. For high-end users, the MSI board is the clear choice.

The MSI PRO B850M-A WiFi motherboard offers superior performance and features compared to the ASRock B550 Phantom Gaming 4 AC. For high-end users, the MSI board is the clear choice.

Why MSI PRO B850M-A WiFi Motherboard is better

Latest Tech

Supports Ryzen 9000 series processors

Memory Speed

DDR5 support with speeds up to 8200+ MT/s

Connectivity

Includes Wi-Fi 7 and USB 10Gbps Type-C

Why ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz is better

Price

More affordable at C$99.99

Basic Features

Adequate for casual gaming needs

Expansion Slots

Includes multiple PCIe slots for upgrades

Overall score

MSI PRO B850M-A WiFi Motherboard
85
ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz
65

Specifications

SpecMSI PRO B850M-A WiFi MotherboardASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz
Processor SupportRyzen 9000/8000/70003rd Gen AMD AM4
Memory TypeDDR5DDR4
Max Memory Speed8200+ MT/s4733+ MT/s
PCIe Slots1 x PCIe 5.0 x161 x PCIe 4.0 x16
Wi-FiWi-Fi 7No Wi-Fi

Dimension comparison

MSI PRO B850M-A WiFi MotherboardASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz

Overview of the MSI PRO B850M-A WiFi Motherboard

The MSI PRO B850M-A WiFi motherboard is priced at C$224.99 and is designed to support the latest AMD Ryzen 9000, 8000, and 7000 processors. It employs advanced features like a Direct 8 phases CPU power VRM for enhanced performance. This motherboard is equipped with DDR5 memory support, allowing extreme memory overclocking speeds of 8200+ MT/s, making it ideal for power users and gamers who demand high performance.

In terms of connectivity, the MSI board includes a state-of-the-art Wi-Fi 7 module along with Bluetooth 5.4 and 5Gbps LAN. It offers multiple storage options with two M.2 connectors, ensuring users can take advantage of the latest in storage technology. This makes the MSI PRO B850M-A a strong contender for those looking to build a high-performance system.

Overview of the ASRock B550 Phantom Gaming 4 AC

The ASRock B550 Phantom Gaming 4 AC is a more budget-friendly option, priced at C$99.99. It supports 3rd Gen AMD AM4 Ryzen processors and has an 8 power phase design with Digi Power for stable performance. Although it doesn't feature DDR5 support, it does accommodate DDR4 memory with speeds of up to 4733+ MT/s when overclocked. This makes it a decent choice for gamers seeking a balance between performance and cost.

This motherboard includes one PCIe 4.0 x16 slot and two PCIe 3.0 x1 slots, providing sufficient expansion options for various graphics cards and peripherals. Additionally, it features HDMI for graphics output, catering to users who may not require a dedicated graphics card. Overall, the ASRock B550 Phantom Gaming 4 AC is designed with gamers in mind, providing essential features at an affordable price.

Performance Comparison

In terms of performance, the MSI PRO B850M-A excels with its support for the latest Ryzen processors and DDR5 memory. The Direct 8 phases CPU power VRM allows for better stability and performance during heavy loads. The ability to achieve memory speeds of 8200+ MT/s through overclocking is a significant advantage for enthusiasts looking to maximise their system's capabilities.

Conversely, the ASRock B550 Phantom Gaming 4 AC, while solid, is limited to DDR4 memory and does not support the latest Ryzen 9000 series processors. Its maximum memory speed of 4733+ MT/s is respectable but does not match the cutting-edge performance offered by the MSI board. This difference is crucial for users who need high-speed data processing and responsiveness, especially in gaming and multitasking scenarios.

Connectivity Features

Connectivity is another area where the MSI PRO B850M-A shines. With a Wi-Fi 7 module, Bluetooth 5.4, and 5Gbps LAN, it provides users with the latest in networking technology, ensuring fast and reliable internet access. The inclusion of USB 10Gbps Type-C ports further enhances its versatility, allowing for quick data transfers and compatibility with modern devices.

On the other hand, the ASRock B550 Phantom Gaming 4 AC focuses on essential connectivity features. While it does not have Wi-Fi capabilities, it does offer HDMI output and sufficient expansion slots for PCIe devices. However, the absence of advanced networking options may be a drawback for users looking for a more comprehensive connectivity solution.

Cooling Solutions

The MSI PRO B850M-A is equipped with a range of cooling features that help maintain optimal thermal performance. It includes 7W/mK MOSFET thermal pads, extra choke thermal pads, and an extended heatsink design. These components work together to ensure that the motherboard remains cool during intense processing tasks, reducing the risk of thermal throttling.

In contrast, the ASRock B550 Phantom Gaming 4 AC does not emphasize advanced cooling solutions to the same extent. While it has a standard power phase design, it lacks the sophisticated thermal management features found in the MSI board. This may not be a significant issue for casual users, but gamers and power users might find the lack of advanced cooling solutions limiting.

Storage Options

Storage flexibility is a strong point for the MSI PRO B850M-A. It features double M.2 connectors, including one M.2 Gen5 x4 slot that supports up to 128Gbps transfer speeds and one M.2 Gen4 x4 slot at 64Gbps. This allows users to install the latest high-speed SSDs, enhancing overall system performance and loading times.

The ASRock B550 Phantom Gaming 4 AC, while providing adequate storage options, is limited compared to the MSI board. It supports standard SATA and M.2 SSDs but does not offer the same level of speed and efficiency. For users looking to utilise cutting-edge storage technology, the MSI PRO B850M-A is clearly the superior choice.

Price Point Evaluation

The MSI PRO B850M-A is priced at C$224.99, reflecting its advanced features and capabilities designed for high-performance computing. In contrast, the ASRock B550 Phantom Gaming 4 AC is significantly more affordable at C$99.99, making it an attractive option for budget-conscious gamers.

However, the price difference is justified by the performance and feature set of the MSI motherboard. While the ASRock board provides essential functionalities for basic gaming needs, it may not meet the expectations of users looking for a future-proof, high-performance system. The MSI board's price aligns with its cutting-edge technology and extensive capabilities.

Which should you buy?

Choosing between the MSI PRO B850M-A WiFi motherboard and the ASRock B550 Phantom Gaming 4 AC ultimately depends on your specific needs and budget. If you are looking for cutting-edge performance, advanced connectivity, and superior cooling features, the MSI PRO B850M-A is the clear winner at C$224.99. It is ideal for enthusiasts and gamers who demand the best from their systems.

On the other hand, if you are on a tighter budget and need a reliable motherboard for basic gaming and tasks, the ASRock B550 Phantom Gaming 4 AC at C$99.99 offers solid performance without breaking the bank. While it lacks some of the advanced features of the MSI board, it serves well for users who are content with essential functionalities and are not planning to push their systems to the limits.

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MSI PRO B850M-A WiFi Motherboard vs ASRock B550 Phantom Gaming 4 AC Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryz | versusfinder