ASUS Prime B550M-A WiFi II AMD AM4 vs ASRock A620AI WiFi Mini-ITX AM5 Motherboard
Updated August 2026 — The ASUS Prime B550M-A WiFi II is a budget-friendly option for older Ryzen CPUs, while the ASRock A620AI WiFi offers superior performance and future-proofing for the latest processors.
The ASUS Prime B550M-A WiFi II is a budget-friendly option for older Ryzen CPUs, while the ASRock A620AI WiFi offers superior performance and future-proofing for the latest processors.
Why ASUS Prime B550M-A WiFi II AMD AM4 is better
lower price
C$129.98 vs C$209.39
AMD AM4 support
Compatible with 3rd Gen Ryzen CPUs
cooling features
Includes VRM heatsink and hybrid fan headers
Why ASRock A620AI WiFi Mini-ITX AM5 Motherboard is better
latest socket
Supports AM5 socket for newer Ryzen CPUs
DDR5 support
Supports memory speeds up to 8200+ (OC)
advanced connectivity
Includes WiFi 6E and dual Ethernet ports
Overall score
Specifications
| Spec | ASUS Prime B550M-A WiFi II AMD AM4 | ASRock A620AI WiFi Mini-ITX AM5 Motherboard |
|---|---|---|
| Brand | Asus | ASRock |
| Form Factor | Micro-ATX | Mini-ITX |
| WiFi | WiFi 6 | WiFi 6E |
| USB Ports | 6 | 12 |
| Max RAM Speed | 3200 MHz | 8200+ (OC) |
Dimension comparison
Price Comparison
When it comes to pricing, the ASUS Prime B550M-A WiFi II is notably more affordable than the ASRock A620AI WiFi Mini-ITX. The ASUS motherboard is priced at C$129.98, while the ASRock variant costs C$209.39. This represents a significant difference of C$79.41, making the ASUS model a more budget-friendly option for users looking to build or upgrade their systems without breaking the bank.
Compatibility with Processors
The ASUS Prime B550M-A WiFi II is designed for the AMD AM4 socket, supporting 3rd generation Ryzen CPUs, while the ASRock A620AI WiFi is compatible with the newer AM5 socket. The ASRock board supports Ryzen 9000, 8000, and 7000 series CPUs, providing users with a broader range of high-performance options. This means that if you’re looking to future-proof your build, the ASRock motherboard offers compatibility with the latest generation of Ryzen processors.
Connectivity Options
Connectivity is a strong point for both motherboards, but they cater to different needs. The ASUS Prime B550M-A WiFi II features WiFi 6 (802.11ax) and offers a variety of ports, including HDMI 2.1, D-Sub, and DVI, alongside one PCIe 4.0 x16 SafeSlot. In contrast, the ASRock A620AI WiFi excels with WiFi 6E, Bluetooth, dual Ethernet ports (2.5G + Gigabit LAN), and multiple USB 3.2 Gen2 Type-C ports. This makes the ASRock board better suited for users requiring high-speed networking and versatile connectivity options for modern peripherals.
Memory Performance
The ASUS Prime B550M-A WiFi II supports memory kits that can operate at higher frequencies with lower voltages, thanks to its proprietary ASUS OptiMem layout. This can enhance overall system performance, particularly for gaming and productivity tasks. On the other hand, the ASRock A620AI WiFi is engineered for DDR5 memory, supporting speeds up to 8200+ (OC), which offers superior bandwidth for multitasking and gaming. This makes the ASRock board a preferable choice for users looking for cutting-edge memory performance.
Storage Capabilities
Both motherboards offer solid storage options, but they differ in flexibility and speed. The ASUS Prime B550M-A WiFi II includes dual M.2 slots for NVMe SSDs and supports additional SATA connections. In contrast, the ASRock A620AI WiFi provides a more versatile configuration, featuring one Hyper M.2 slot (PCIe Gen4x4), one Ultra M.2 slot (PCIe Gen3x4), and two SATA3 ports. This configuration is particularly advantageous for compact builds, allowing users to maximise storage in a mini-ITX form factor.
Cooling Features
Cooling is essential for maintaining system performance, and both motherboards have taken this into consideration. The ASUS Prime B550M-A WiFi II comes equipped with a VRM heatsink, PCH heatsink, and hybrid fan headers, along with the Fan Xpert 2 utility. Conversely, while the ASRock A620AI WiFi does not detail specific cooling features, its design is optimised for airflow in small form factors, which is crucial for sustaining performance in compact builds. Users should consider their cooling needs based on their specific use cases and build environments.
Ease of Use and Upgrades
When assessing ease of use and potential for upgrades, the ASRock A620AI WiFi has the edge with features like BIOS Flashback for hassle-free updates and a wide range of ports (including 12 USB ports). The ASUS Prime B550M-A WiFi II also offers a user-friendly setup but does not provide the same level of upgrade flexibility as the ASRock model. For tech enthusiasts and gamers aiming to keep their systems up to date, the ASRock motherboard presents a more future-proof option.
Which should you buy?
Choosing between the ASUS Prime B550M-A WiFi II and the ASRock A620AI WiFi Mini-ITX ultimately depends on your specific needs and budget. If you are looking for a more affordable solution and are working with AMD’s 3rd generation Ryzen CPUs, the ASUS Prime B550M-A WiFi II is a solid option. However, if you are seeking to future-proof your system with support for the latest Ryzen processors, superior memory performance, and extensive connectivity options, the ASRock A620AI WiFi is the better investment despite its higher price. Consider your current requirements and future plans to make the best choice for your build.
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