vsversusfinder

ASUS Prime B550M-A WiFi II AMD AM4 vs ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother

Updated August 2026The ASUS Prime B650-PLUS WiFi offers superior performance and features compared to the B550M-A, making it the better choice for enthusiasts.

The ASUS Prime B650-PLUS WiFi offers superior performance and features compared to the B550M-A, making it the better choice for enthusiasts.

Why ASUS Prime B550M-A WiFi II AMD AM4 is better

lower price

B550M-A is more budget-friendly at C$129.98

basic features

sufficient for basic gaming and productivity

compact size

micro ATX form factor fits smaller cases

Why ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother is better

advanced socket

B650-PLUS supports AM5 and newer Ryzen CPUs

better connectivity

includes WiFi 6E and 2.5Gb Ethernet

enhanced cooling

features additional M.2 heatsink and better thermal management

Overall score

ASUS Prime B550M-A WiFi II AMD AM4
70
ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother
90

Specifications

SpecASUS Prime B550M-A WiFi II AMD AM4ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother
Socket TypeAM4AM5
PCIe Support4.05.0
WiFi Standard66E
Ethernet Speed1Gb2.5Gb
Cooling FeaturesVRM & PCH heatsinkVRM, M.2 heatsink

Dimension comparison

ASUS Prime B550M-A WiFi II AMD AM4ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother

Overview of the ASUS Prime B550M-A WiFi II

The ASUS Prime B550M-A WiFi II AMD AM4 is an affordable motherboard option priced at C$129.98. This model is designed to support AMD’s 3rd Gen Ryzen CPUs, making it a solid choice for budget-conscious gamers or builders.

This motherboard features an AM4 socket and PCIe 4.0, which allows for faster data transfer rates. It comes equipped with WiFi 6 (802.11ax) and a 1Gb LAN port, ensuring ultrafast connectivity. The dual M.2 slots, one with PCIe 4.0 x4 connectivity, add versatility for storage solutions. The inclusion of comprehensive cooling features like a VRM heatsink and PCH heatsink, along with the Fan Xpert 2 utility, ensures stable performance even under load.

Overview of the ASUS Prime B650-PLUS WiFi

The ASUS Prime B650-PLUS WiFi AMD B650 AM5 is a more advanced option, retailing at C$194.03. This motherboard is geared towards performance enthusiasts, supporting the latest AMD Ryzen Desktop 9000, 8000, and 7000 Series processors, although a BIOS update may be necessary for some models.

It boasts an AM5 socket and PCIe 5.0 capabilities, which provide even greater data transfer speeds compared to its B550 counterpart. With features like WiFi 6E and Realtek 2.5Gb Ethernet, the B650-PLUS ensures top-notch connectivity. The motherboard also includes USB 10Gbps Type-C support and comprehensive cooling solutions, making it an attractive option for high-performance builds.

Connectivity Options

When it comes to connectivity, the ASUS Prime B550M-A WiFi II offers solid features, including WiFi 6 and a 1Gb LAN port. However, the ASUS Prime B650-PLUS significantly outshines its counterpart with superior offerings. It includes WiFi 6E, which provides enhanced speed and performance, as well as a Realtek 2.5Gb Ethernet port for even faster wired connections.

Furthermore, the B650-PLUS supports USB 10Gbps Type-C and front USB 5Gbps Type-C, making it easier to connect modern peripherals and devices. Overall, if connectivity is a priority, the B650-PLUS is the clear winner.

Storage Capabilities

Storage options differ considerably between the two motherboards. The ASUS Prime B550M-A WiFi II features dual M.2 slots, with one slot capable of PCIe 4.0 x4 connectivity. This is suitable for NVMe SSDs, providing fast storage solutions.

On the other hand, the ASUS Prime B650-PLUS ups the ante with its support for PCIe 5.0. This means improved speeds for compatible SSDs, which can significantly enhance the system’s overall performance. For users looking to future-proof their build with the latest storage technologies, the B650-PLUS offers a more substantial advantage.

Cooling Solutions

Both motherboards come with comprehensive cooling solutions, but the B650-PLUS has a more advanced setup. The ASUS Prime B550M-A WiFi II includes a VRM heatsink and PCH heatsink, which are adequate for most scenarios, especially for a budget-oriented motherboard.

In contrast, the ASUS Prime B650-PLUS features not only a VRM heatsink but also an M.2 heatsink and hybrid fan headers with Fan Xpert 2+. This ensures optimal thermal management, especially during intense workloads or gaming sessions. For users who demand high performance and efficient cooling, the B650-PLUS is the better option.

Memory Performance

Memory performance is another area where the ASUS Prime B650-PLUS excels. The B550M-A offers boosted memory performance through ASUS OptiMem, which allows memory kits to function at higher frequencies. However, the B650-PLUS features ASUS OptiMem II, providing further enhancements in signal integrity and memory overclocking capabilities.

This means that users of the B650-PLUS can expect improved performance with compatible RAM, making it more suitable for high-demand applications and gaming. The advancements in memory performance make the B650-PLUS a preferable choice for power users.

Aesthetic Features

When it comes to aesthetics, the ASUS Prime B650-PLUS takes the lead with its Aura Sync RGB lighting. It includes onboard addressable Gen 2 headers and an Aura RGB header for easy syncing with compatible RGB hardware. This allows users to create visually appealing setups that can be customised to match their style.

The ASUS Prime B550M-A WiFi II, while functional, does not offer similar aesthetic features. For users who value aesthetics alongside performance, the B650-PLUS presents a more attractive option.

Which should you buy?

In conclusion, the choice between the ASUS Prime B550M-A WiFi II and the ASUS Prime B650-PLUS WiFi largely depends on your needs and budget. The B550M-A is an excellent choice for users looking for a cost-effective motherboard that supports AMD's 3rd Gen Ryzen CPUs. It is well-equipped with essential features for basic gaming and productivity.

However, if you are looking for a motherboard that supports the latest technologies and offers superior performance, the ASUS Prime B650-PLUS is the better investment. With its advanced connectivity options, enhanced cooling solutions, and improved memory performance, it is designed for enthusiasts who want to future-proof their builds. The C$64.05 price difference reflects its added features and capabilities, making it a worthwhile consideration for serious users.

versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

ASUS Prime B550M-A WiFi II AMD AM4 vs ASUS Prime B650-PLUS WiFi AMD B650 AM5 Ryzen Desktop 9000 8000 & 7000 ATX Mother | versusfinder