ASUS Prime A520M-A II/CSM AMD AM4 vs Asus PRIME B650-PLUS WIFI
Updated August 2026 — The ASUS PRIME B650-PLUS WIFI offers superior features and performance compared to the ASUS Prime A520M-A II/CSM, making it the better choice for enthusiasts.
The ASUS PRIME B650-PLUS WIFI offers superior features and performance compared to the ASUS Prime A520M-A II/CSM, making it the better choice for enthusiasts.
Why ASUS Prime A520M-A II/CSM AMD AM4 is better
lower price
A520M-A II is £61.90
stability
designed for reliable enterprise use
basic features
sufficient for everyday computing
Why Asus PRIME B650-PLUS WIFI is better
latest socket
B650-PLUS WIFI supports AMD AM5
advanced connectivity
includes WIFI 6E and PCIe 5.0
better cooling
features M.2 heatsink and hybrid fan headers
Overall score
Specifications
| Spec | ASUS Prime A520M-A II/CSM AMD AM4 | Asus PRIME B650-PLUS WIFI |
|---|---|---|
| Brand | ASUS | ASUS |
| Socket Type | AM4 | AM5 |
| Ethernet | 1Gb | 2.5Gb |
| USB Type-C | No | Yes |
| Cooling Tech | Basic | Advanced |
Dimension comparison
Overview of ASUS Prime A520M-A II/CSM AMD AM4 and ASUS PRIME B650-PLUS WIFI
The ASUS Prime A520M-A II/CSM AMD AM4 is priced at £61.90, while the ASUS PRIME B650-PLUS WIFI is significantly higher at £121.99. This price difference reflects the varying capabilities and target audiences of each motherboard. The A520M-A II is designed for stability and support of AMD's 3rd Gen Ryzen processors, making it suitable for budget-conscious users or those in need of reliable enterprise solutions. Conversely, the B650-PLUS WIFI is geared towards enthusiasts with its support for the latest AMD Ryzen 9000, 8000, and 7000 Series processors, emphasising cutting-edge technology and performance.
Socket Compatibility
The ASUS Prime A520M-A II/CSM uses the AMD AM4 socket, which is compatible with 3rd Gen AMD Ryzen processors. In contrast, the ASUS PRIME B650-PLUS WIFI features the newer AMD AM5 socket, designed to support the latest generations of Ryzen processors. This means that while the A520M-A II is limited to older processor architectures, the B650-PLUS WIFI opens the door to superior performance and future upgrades, accommodating the advancements in processing power and efficiency of the latest CPUs.
Connectivity Options
Connectivity is a standout feature of the B650-PLUS WIFI, which boasts ultrafast connectivity including WIFI 6E, M.2 PCIe 5.0, and Realtek 2.5Gb Ethernet. In comparison, the A520M-A II offers a robust yet more traditional connectivity suite, with a 32Gbps M.2 slot and USB 3.2 Gen 1 Type-A ports. The B650-PLUS WIFI’s support for advanced technologies like USB 10Gbps Type-C and Thunderbolt 4 header further establishes its superiority in this category, catering to users who require the fastest data transfer rates and connectivity options for modern peripherals.
Cooling Solutions
Both motherboards provide comprehensive cooling solutions, but the B650-PLUS WIFI takes it a step further. It features a VRM heatsink, M.2 heatsink, and PCH heatsink, along with hybrid fan headers and Fan Xpert 2+ technology for optimised cooling management. The A520M-A II also includes a VRM heatsink and PCH heatsink, but lacks the additional M.2 cooling and advanced fan control options found in the B650-PLUS WIFI. This makes the latter more suitable for high-performance builds where thermal management is critical, particularly when overclocking.
Memory Performance
The B650-PLUS WIFI has the advantage with its ASUS OptiMem II technology, which is designed to enhance memory overclocking by preserving signal integrity through careful routing of traces and vias. This leads to better memory performance in high-demand scenarios. Conversely, while the A520M-A II supports standard memory configurations suitable for everyday computing tasks, it does not offer the same level of optimisation for advanced memory performance. Thus, users looking to maximise RAM efficiency will find the B650-PLUS WIFI significantly more appealing.
RGB Lighting Features
For users who prioritize aesthetics, the B650-PLUS WIFI offers a more advanced RGB lighting setup with onboard addressable Gen 2 headers and Aura RGB header, allowing for more intricate customisation of LED strips. The A520M-A II also includes RGB capabilities with its onboard RGB headers, but it is less versatile compared to the features provided by the B650-PLUS WIFI. If RGB lighting is a key consideration in your build, the B650-PLUS WIFI clearly provides a superior experience with greater synchronisation options for a visually stunning setup.
Target Audience and Use Cases
The ASUS Prime A520M-A II/CSM is primarily aimed at budget-conscious users or enterprises requiring stable and reliable performance for basic computing needs. Its lower price point and extensive stability features make it ideal for general use. On the other hand, the B650-PLUS WIFI is targeted at gamers and performance enthusiasts who demand the latest technology and features for high-speed gaming and productivity tasks. The significant price difference reflects these distinct target markets, with the B650-PLUS WIFI justifying its cost through advanced features and future-proofing capabilities.
Which should you buy?
Ultimately, the choice between the ASUS Prime A520M-A II/CSM and the ASUS PRIME B650-PLUS WIFI hinges on your specific needs and budget. If you are looking for a cost-effective solution for basic tasks and reliability, the A520M-A II is an excellent choice at £61.90. However, if you require cutting-edge technology, superior connectivity, and future-proofing for gaming or high-performance tasks, the B650-PLUS WIFI is worth the investment at £121.99. Consider your priorities carefully to determine which motherboard aligns best with your requirements.
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