ASRock AMD B850i Lightning WiFi 6E Socket AM5 vs MSI A520M-A PRO Gaming Motherboard
Updated August 2026 — ASRock AMD B850i Lightning WiFi 6E Socket AM5 wins on form factor and cooling, MSI A520M-A PRO Gaming Motherboard wins on price and expandability.
The ASRock AMD B850i Lightning offers superior performance and features compared to the MSI A520M-A PRO, making it the better choice for high-end builds.
Why ASRock AMD B850i Lightning WiFi 6E Socket AM5 is better
Performance
Supports DDR5 memory up to 8200 MHz.
Connectivity
Includes Killer 2.5G LAN and WiFi 6E.
Storage
Features dual M.2 slots with PCIe Gen5 support.
Why MSI A520M-A PRO Gaming Motherboard is better
Price
Significantly cheaper at $68.99.
Audio
Includes Audio Boost technology.
Form Factor
Micro-ATX allows for more expandability.
Overall score
Specifications
| Spec | ASRock AMD B850i Lightning WiFi 6E Socket AM5 | MSI A520M-A PRO Gaming Motherboard |
|---|---|---|
| Memory Support | DDR5 up to 8200 MHz | DDR4 up to 4600 MHz |
| PCIe Version | PCIe 5.0 | PCIe 3.0 |
| Networking | Killer 2.5G LAN, WiFi 6E | USB 3.2 Gen 1 |
| M.2 Slots | 2 (Gen5 x4, Gen4 x4) | 1 (Gen3 x4) |
| Audio Features | Standard | Audio Boost |
Dimension comparison
Overview of Product A and Product B
The ASRock AMD B850i Lightning WiFi 6E is priced at $179.99, while the MSI A520M-A PRO is significantly cheaper at $68.99, making it about 62% less expensive. However, the price difference reflects the different target audiences and capabilities of these two motherboards. The ASRock board is designed for high-performance builds, supporting the latest Ryzen 9000, 8000, and 7000 series processors, while the MSI model caters to users with Ryzen 5000 and older processors, aiming for a more budget-friendly market.
Design and Form Factor
The ASRock AMD B850i Lightning features a Mini-ITX form factor, making it ideal for compact builds with dimensions of 170x170mm. This design allows it to fit in smaller cases while still accommodating powerful hardware. In contrast, the MSI A520M-A PRO utilizes a Micro-ATX form factor, which offers a slightly larger footprint. While the Micro-ATX form factor allows for more expandability, the Mini-ITX design of the ASRock board is specifically tailored for users looking to maximize performance in limited space.
Performance Capabilities
When it comes to performance, the ASRock AMD B850i Lightning stands out with its support for DDR5 memory with speeds up to 8200 MHz (overclocked), while the MSI A520M-A PRO supports DDR4 memory up to 4600 MHz (overclocked). This gives the ASRock board a significant edge in terms of speed and future-proofing with the latest memory technology. The ASRock motherboard also features PCIe 5.0 support, which is essential for maximizing the performance of next-generation graphics cards. Conversely, the MSI model uses PCIe 3.0, which may limit performance with the latest GPUs.
Connectivity Options
The ASRock AMD B850i Lightning offers advanced connectivity options, including Killer 2.5G LAN and WiFi 6E with Bluetooth, ensuring high-speed wired and wireless networking. This is a considerable advantage for gamers and content creators who require low latency and high bandwidth. On the other hand, the MSI A520M-A PRO provides USB 3.2 Gen 1 ports and supports both DVI and HDMI outputs, which are adequate for general use but do not match the speed and versatility of the ASRock's connections.
Storage Solutions
The ASRock motherboard excels with two M.2 slots, one supporting PCIe Gen5 x4 for the fastest NVMe SSDs, while the other supports PCIe Gen4 x4. This dual-storage capability allows for optimal performance and flexibility in building a high-speed storage solution. The MSI A520M-A PRO, though it includes a Turbo M.2 slot running at PCIe Gen3 x4, does not offer the same level of storage speed and expansion options, making it less suitable for users who prioritize fast data access.
Audio and User Experience
Audio performance is also a critical consideration in motherboard selection. The MSI A520M-A PRO features Audio Boost technology, promising studio-grade sound quality for media consumption and gaming. While the ASRock AMD B850i Lightning does not specifically highlight its audio capabilities, it supports a wide range of high-performance components that would likely provide a satisfactory audio experience. However, for users who value audio quality, the dedicated features of the MSI board may be more appealing.
Price Comparison
The price difference between these two motherboards is noteworthy, with the ASRock AMD B850i Lightning priced at $179.99 and the MSI A520M-A PRO at $68.99, making the MSI model about 62% cheaper. This significant price gap reflects the differences in features, performance capabilities, and intended user base. While the ASRock board is aimed at high-end users looking for cutting-edge technology, the MSI board is geared toward budget-conscious consumers who still want solid performance for everyday tasks and gaming.
Which should you buy?
Ultimately, the choice between the ASRock AMD B850i Lightning and the MSI A520M-A PRO hinges on your specific needs and budget. If you are looking for high performance, cutting-edge technology, and future-proofing with the latest CPU and memory support, the ASRock motherboard is undoubtedly the better option despite its higher price. However, if you are on a tight budget and primarily need a reliable motherboard for Ryzen 5000 processors, the MSI A520M-A PRO offers excellent value for money. Both motherboards have their strengths, so your decision should align with your computing requirements and financial considerations.

