MSI MPG B550 GAMING PLUS Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors vs Gigabyte B650 EAGLE AX Motherboard - Supports AMD Ryzen 7000 CPUs
Updated August 2026 — The Gigabyte B650 EAGLE AX outperforms the MSI MPG B550 GAMING PLUS in key areas such as compatibility, memory support, and connectivity. For those seeking the latest technology, the Gigabyte option is the better choice.
The Gigabyte B650 EAGLE AX outperforms the MSI MPG B550 GAMING PLUS in key areas such as compatibility, memory support, and connectivity. For those seeking the latest technology, the Gigabyte option is the better choice.
Why MSI MPG B550 GAMING PLUS Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors is better
Price
MSI is cheaper at £99.98
RGB Lighting
MSI offers Mystic Light for customizable RGB
Memory Capacity
MSI supports up to 128 GB of DDR4
Why Gigabyte B650 EAGLE AX Motherboard - Supports AMD Ryzen 7000 CPUs is better
Compatibility
Gigabyte supports AMD Ryzen 7000 CPUs
Memory Technology
Gigabyte supports faster DDR5 memory
Connectivity
Gigabyte includes Wi-Fi 6E and more USB ports
Overall score
Specifications
| Spec | MSI MPG B550 GAMING PLUS Motherboard ATX - Supports AMD Ryzen 3rd Gen Processors | Gigabyte B650 EAGLE AX Motherboard - Supports AMD Ryzen 7000 CPUs |
|---|---|---|
| Brand | MSI | Gigabyte |
| Socket | AM4 | AM5 |
| Max Memory | 128 GB DDR4 | 64 GB DDR5 |
| M.2 Slots | 2 PCIe 4.0 | 1 PCIe 5.0 + 2 PCIe 4.0 |
| Wi-Fi | No | Yes |
| VRM Phases | Unknown | 12+2+2 |
Dimension comparison
Overview
When comparing the MSI MPG B550 GAMING PLUS and the Gigabyte B650 EAGLE AX motherboards, key differences arise in their compatibility, pricing, and feature sets. The MSI board, priced at £99.98, supports older 3rd generation AMD Ryzen processors, while the Gigabyte board is a more recent offering at £110.99, designed for the latest AMD Ryzen 7000 CPUs. This comparison will delve into various aspects to help you decide which motherboard suits your needs better.
Compatibility
The MSI MPG B550 GAMING PLUS is compatible with AMD Ryzen 3rd Gen processors, making it a solid choice for users looking to build or upgrade a system based on this older architecture. In contrast, the Gigabyte B650 EAGLE AX supports the new AMD Ryzen 7000 series CPUs, offering a future-proof option for users wanting to leverage the latest technology. This difference in compatibility is significant, as it directly influences the performance and longevity of your build.
Performance
In terms of performance, the Gigabyte B650 EAGLE AX is equipped with a 12+2+2 Phases Digital VRM Solution, which is designed to handle higher power demands, especially from the Ryzen 7000 series. The MSI MPG B550 GAMING PLUS also boasts impressive performance with features like dual M.2 slots and PCIe 4.0 support, but it cannot match the advanced capabilities and efficiency of the B650 EAGLE AX. If performance is your primary concern, the Gigabyte option is likely the superior choice.
Memory Support
The MSI MPG B550 GAMING PLUS supports up to 128 GB of DDR4 memory, running at speeds up to 4400 MHz. This is beneficial for users who require large amounts of memory for intensive applications. The Gigabyte B650 EAGLE AX, on the other hand, supports dual-channel DDR5 memory with four SMD DIMMs, which is a significant upgrade over DDR4, allowing for faster data transfer rates and improved overall system performance. Therefore, for those interested in cutting-edge memory technology, the Gigabyte motherboard has a clear advantage.
Storage Options
Storage capabilities also differ between the two motherboards. The MSI MPG B550 GAMING PLUS features dual M.2 slots with PCIe 4.0 for high-speed storage options, while the Gigabyte B650 EAGLE AX takes it further with one PCIe 5.0 and two PCIe 4.0 M.2 connectors. This setup in the Gigabyte board allows for even greater storage performance, particularly with next-generation SSDs. Users looking to maximise storage speed and capacity will find the Gigabyte B650 EAGLE AX more appealing.
Connectivity
Connectivity options are another area where the Gigabyte B650 EAGLE AX excels. It offers Wi-Fi 6E 802.11ax and GbE LAN for fast networking capabilities, which is essential for online gaming and high-speed internet use. The MSI MPG B550 GAMING PLUS lacks built-in Wi-Fi, which may require users to invest in additional hardware. The addition of multiple USB 10Gb/s ports on the Gigabyte board also enhances its connectivity options, making it a better choice for users who need extensive peripheral support.
Thermal Management
Thermal management is crucial for maintaining performance and reliability. The MSI MPG B550 GAMING PLUS features an enhanced thermal solution with an extended heatsink and high-quality thermal materials, ensuring efficient heat distribution. Meanwhile, the Gigabyte B650 EAGLE AX is equipped with an advanced thermal design and M.2 Thermal Guard, which helps maintain VRM power stability and SSD performance. For users concerned about heat management during intensive tasks, the Gigabyte motherboard presents a more robust solution.
Aesthetics and Design
When it comes to aesthetics, the MSI MPG B550 GAMING PLUS incorporates Mystic Light technology, allowing users to control RGB lighting across their system with a wide range of colours and effects. This feature appeals to gamers and PC builders looking for a visually striking setup. The Gigabyte B650 EAGLE AX, while it does not highlight specific RGB features, is designed with a sleek and modern look that can integrate well into various builds. Although both motherboards are appealing, the MSI board offers more customisable lighting options.
Which should you buy?
Ultimately, the decision between the MSI MPG B550 GAMING PLUS and the Gigabyte B650 EAGLE AX hinges on your specific needs. If you are looking for an affordable option that supports older AMD processors and offers solid performance, the MSI board at £99.98 is a worthwhile choice. However, if you want to invest in a more advanced motherboard that supports the latest AMD Ryzen 7000 CPUs, faster DDR5 memory, and superior connectivity options, the Gigabyte B650 EAGLE AX is worth the higher price of £110.99.
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