MSI PRO B850M-A WiFi Motherboard vs ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard
Updated August 2026 — The MSI PRO B850M-A offers superior performance and features, while the ASUS Prime B840-PLUS provides great value for budget-conscious buyers.
The MSI PRO B850M-A offers superior performance and features, while the ASUS Prime B840-PLUS provides great value for budget-conscious buyers.
Why MSI PRO B850M-A WiFi Motherboard is better
Performance
MSI supports higher overclocking speeds.
Connectivity
MSI includes Wi-Fi 7 and Bluetooth 5.4.
Cooling
MSI has advanced thermal management features.
Why ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard is better
Price
ASUS is significantly cheaper.
Design
ASUS offers a DIY-friendly design with RGB lighting.
Software
ASUS includes a comprehensive software suite.
Overall score
Specifications
| Spec | MSI PRO B850M-A WiFi Motherboard | ASUS Prime B840-PLUS WiFi AMD AM5 B840 ATX Motherboard |
|---|---|---|
| CPU Support | Ryzen 9000 | Ryzen 9000 |
| Memory Slots | 4 x DDR5 | 2 x DDR5 |
| PCIe Version | 5.0 | 4.0 |
| Ethernet | 5Gbps | 2.5Gbps |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
Dimension comparison
Price Comparison
When it comes to pricing, the MSI PRO B850M-A WiFi Motherboard is significantly more expensive than the ASUS Prime B840-PLUS WiFi. The MSI motherboard is priced at C$224.99, while the ASUS motherboard is available for a more budget-friendly C$153.44. This represents a price difference of C$71.55, making the ASUS model a more appealing choice for those on a tighter budget. The price disparity raises important considerations for buyers, especially if their needs can be met by the less expensive option without sacrificing essential features.
Performance Features
In terms of performance, the MSI PRO B850M-A offers advanced capabilities, especially in supporting the latest AMD Ryzen 9000 processors. It features an 8-phase CPU power VRM designed for high performance. This is complemented by its support for DDR5 memory with speeds exceeding 8200 MT/s. On the other hand, the ASUS Prime B840-PLUS also supports AMD Ryzen 9000 processors but is built with an enhanced 6-layer PCB and alloy chokes for stable power delivery. While both motherboards are equipped for high-performance tasks, the MSI board offers a slight edge in terms of overclocking potential, making it suitable for enthusiasts looking for maximum performance.
Connectivity Options
Connectivity is a strong point for both motherboards, but they cater to different needs. The MSI PRO B850M-A is equipped with a Wi-Fi 7 module and 5Gbps LAN, showcasing cutting-edge networking capabilities. This is beneficial for users seeking the fastest internet connections available. Conversely, the ASUS Prime B840-PLUS features Wi-Fi 6E and 2.5Gb Ethernet, which, while slightly less advanced than Wi-Fi 7, still offers excellent speed and reliability for most users. Both motherboards provide USB 10Gbps Type-C ports, but the MSI board includes additional features like Bluetooth 5.4, appealing to those who prioritise wireless connectivity.
Memory Support
When it comes to memory support, the MSI PRO B850M-A WiFi excels with its four DDR5 DIMM slots capable of extreme overclocking speeds. This allows for a maximum memory bandwidth that could potentially reach 8200+ MT/s, making it highly attractive for gamers and content creators who require abundant memory throughput. In comparison, the ASUS Prime B840-PLUS supports DDR5 but does not explicitly state the same overclocking capabilities, which could limit performance under certain conditions. This distinction makes the MSI motherboard a better choice for users looking to push their memory performance to the limits.
Cooling Solutions
Cooling solutions are essential for maintaining the longevity and performance of high-end components. The MSI PRO B850M-A features an extensive cooling setup with an extended heatsink, 7W/mK MOSFET thermal pads, and additional choke thermal pads to effectively manage heat. It also includes an EZ M.2 Shield Frozr II to prevent thermal throttling. On the other hand, the ASUS Prime B840-PLUS offers comprehensive cooling solutions as well, including VRM and M.2 heatsinks and hybrid fan headers. While both motherboards have solid cooling features, the MSI’s advanced thermal management system may provide a slight advantage for users running demanding applications.
Build Quality and Design
The build quality and design of a motherboard can significantly impact user experience. The MSI PRO B850M-A is built with a robust design that caters to high-performance setups. Its aesthetic might appeal to users who prefer a more functional look. The ASUS Prime B840-PLUS, however, boasts a DIY-friendly design with a pre-mounted I/O shield and various customization options such as Aura Sync RGB lighting. This makes it particularly attractive for users who value customization and ease of installation. Both motherboards have their merits, but user preference for aesthetics and installation ease may drive the decision.
Software and Features
Software support is crucial for managing motherboard functionalities effectively. The MSI PRO B850M-A does not elaborate on its software offerings, whereas the ASUS Prime B840-PLUS comes with a range of utilities like Armoury Crate and ASUS DriverHub, which can enhance user experience significantly. This software suite provides tools for customizing settings and optimising performance, making the ASUS board more appealing for users seeking ease of use and advanced features. The ASUS model’s emphasis on software could sway buyers who appreciate a more integrated approach to system management.
Which should you buy?
Choosing between the MSI PRO B850M-A WiFi Motherboard and the ASUS Prime B840-PLUS WiFi boils down to individual needs and budget considerations. If performance, advanced memory support, and cutting-edge connectivity are paramount, the MSI motherboard justifies its higher price tag at C$224.99. However, for those who require a capable motherboard that offers excellent features at a lower cost, the ASUS Prime B840-PLUS at C$153.44 is a solid choice. Ultimately, your decision should reflect your priorities, whether that be top-tier performance or value for money.
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