GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, vs MSI MPG B550 Gaming Plus V1 Gaming Motherboard
Updated August 2026 — GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, wins on performance and connectivity, MSI MPG B550 Gaming Plus V1 Gaming Motherboard wins on price and aesthetics.
The GIGABYTE Z790 Eagle AX outperforms the MSI MPG B550 Gaming Plus in terms of performance and future-proofing, making it the better choice for Intel users.
Why GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, is better
Power Phase
12+1+1 power phase design for better performance
Memory Support
Supports DDR5 for higher speeds
Connectivity
Includes PCIe 5.0 for future-proofing
Why MSI MPG B550 Gaming Plus V1 Gaming Motherboard is better
Price
More budget-friendly at $139.99
Aesthetic Features
Offers customizable RGB lighting
Thermal Solution
Effective thermal management with extended heatsink
Overall score
Specifications
| Spec | GIGABYTE Z790 Eagle AX LGA 1700 ATX Motherboard, | MSI MPG B550 Gaming Plus V1 Gaming Motherboard |
|---|---|---|
| Socket | LGA 1700 | AM4 |
| Memory Type | DDR5 | DDR4 |
| PCIe Version | 5.0 | 4.0 |
| USB Ports | USB 3.2 Gen 2x2 | USB 3.2 Gen 2 |
| Power Phases | 12+1+1 | Unknown |
Dimension comparison
Overview of the GIGABYTE Z790 Eagle AX and MSI MPG B550 Gaming Plus
The GIGABYTE Z790 Eagle AX is priced at $159.99, while the MSI MPG B550 Gaming Plus is available for about $139.99, making the MSI option about 13% cheaper. Both motherboards cater to different processor families, with the GIGABYTE supporting Intel’s 14th, 13th, and 12th Generation CPUs, and the MSI designed for AMD Ryzen 5000 series processors. This sets the stage for a clear distinction based on your preferred CPU brand, which will heavily influence your choice.
Performance Capabilities
Performance-wise, the GIGABYTE Z790 Eagle AX boasts a 12+1+1 power phase design, ensuring a robust power delivery for high-performance Intel processors. Its dual-channel DDR5 memory support allows for superior speed and efficiency, catering to the most demanding tasks. Meanwhile, the MSI MPG B550 Gaming Plus supports dual-channel DDR4 memory, allowing for speeds up to 4400 MHz. While both motherboards offer PCIe 4.0, the GIGABYTE's focus on DDR5 gives it an edge in future-proofing and overall performance, especially for gaming and intensive applications.
Connectivity Options
When it comes to connectivity, the GIGABYTE Z790 Eagle AX features advanced options including PCIe 5.0 and USB 3.2 Gen 2x2 Type-C, which provide faster data transfer rates and support for the latest peripherals. The MSI MPG B550 Gaming Plus also offers impressive connectivity, with PCIe 4.0 and USB 3.2 Gen 2, but lacks the newer PCIe 5.0 support. Thus, if you prioritize cutting-edge connectivity, the GIGABYTE motherboard is the better choice.
Thermal Management
Thermal management is crucial for maintaining optimal performance, and both motherboards have addressed this need. The GIGABYTE Z790 Eagle AX features an advanced thermal design with enlarged MOSFET heatsinks and an M.2 thermal guard, ensuring that heat is efficiently dissipated. The MSI MPG B550 Gaming Plus is equipped with an extended heatsink design and a thermal pad rated for 7W/mk, which also effectively manages heat. However, the GIGABYTE’s comprehensive approach may provide better cooling for high-performance builds.
Aesthetic Features
In terms of aesthetics, the GIGABYTE Z790 Eagle AX incorporates RGB Fusion technology, which allows for customizable RGB lighting, enhancing the visual appeal of your build. The MSI MPG B550 Gaming Plus also features MYSTIC LIGHT, offering 16.8 million colors and 29 effects for personalization. While both motherboards provide attractive lighting options, the choice comes down to personal preference in terms of interface and ease of customization.
Upgrade Potential
The GIGABYTE Z790 Eagle AX supports Intel’s latest CPU architecture, ensuring it can handle future processor releases, which is a significant advantage for those looking to upgrade their systems over time. On the other hand, the MSI MPG B550 Gaming Plus supports future AMD Ryzen processors through a BIOS update, but it is generally limited to the AM4 socket, which may restrict future upgrade paths more than the LGA 1700 socket of the GIGABYTE. This consideration is important for users planning long-term upgrades.
User Reviews and Market Position
While specific sales and bestseller ranks for these products are not provided, the competitive pricing and features of both motherboards suggest they have been well-received in the market. The GIGABYTE Z790 Eagle AX is positioned as a premium offering with advanced features, while the MSI MPG B550 Gaming Plus appeals to budget-conscious gamers looking for solid performance without breaking the bank. User reviews often highlight the durability and performance of both brands, reinforcing their reputations in the gaming community.
Which should you buy?
Deciding between the GIGABYTE Z790 Eagle AX and the MSI MPG B550 Gaming Plus ultimately hinges on your specific needs and existing hardware choices. If you're invested in Intel’s 14th, 13th, or 12th Gen CPUs and desire cutting-edge features, the GIGABYTE motherboard at $159.99 is the superior choice, offering better performance, connectivity, and future-proofing. Conversely, if you're an AMD user seeking a more budget-friendly option, the MSI MPG B550 Gaming Plus at $139.99 provides excellent value without compromising essential features. Consider your current setup and future plans carefully to make the best decision.

