MSI MAG A550BN vs ASRock PRO 750G
Updated August 2026 — The MSI MAG A550BN is a budget-friendly option with a longer warranty, while the ASRock PRO 750G offers superior performance and efficiency.
The MSI MAG A550BN is a budget-friendly option with a longer warranty, while the ASRock PRO 750G offers superior performance and efficiency.
Why MSI MAG A550BN is better
price
MSI MAG A550BN is cheaper by C$4.95
warranty
MSI MAG A550BN has a 5-year warranty
noise
MSI MAG A550BN has a low noise fan
Why ASRock PRO 750G is better
efficiency
ASRock PRO 750G has 80 Plus Gold certification
power
ASRock PRO 750G has 750W output
compatibility
ASRock PRO 750G supports ATX 3.1 and PCIe 5.1
Overall score
Specifications
| Spec | MSI MAG A550BN | ASRock PRO 750G |
|---|---|---|
| Brand | MSI | ASRock |
| Current Price | C$84.99 | C$89.94 |
| Efficiency Rating | 80 PLUS Bronze | 80 PLUS Gold |
| Output Power | Not Specified | 750W |
| Warranty | 5 years | 3 years |
Dimension comparison
Pricing Comparison
When it comes to pricing, the MSI MAG A550BN is more affordable than the ASRock PRO 750G. The MSI MAG A550BN is priced at C$84.99, while the ASRock PRO 750G comes in at C$89.94. This represents a difference of C$4.95, making the MSI option the more budget-friendly choice for consumers looking for a power supply. However, while the price difference is minimal, it could be a deciding factor for those on a tighter budget or for users who are simply looking for the best value for their money.
Power Efficiency
The ASRock PRO 750G excels in energy efficiency with its 80 Plus Gold certification, which guarantees up to 90% energy efficiency. In contrast, the MSI MAG A550BN is 80 PLUS Bronze certified, indicating lower efficiency compared to its competitor. This means that users of the ASRock model may enjoy reduced energy costs and less heat generation during operation. For those prioritising energy savings and environmental impact, the ASRock PRO 750G stands out as the superior option.
Performance Capacity
In terms of performance capacity, the ASRock PRO 750G has a notable advantage with its 750W output, making it suitable for medium to high-performance systems. On the other hand, the MSI MAG A550BN does not specify its wattage in the provided data, but it is generally understood that it is lower than 750W. This capacity difference is significant for users planning to use high-performance components, such as powerful graphics cards, where the ASRock model can deliver stable and reliable power.
Compatibility Features
The ASRock PRO 750G offers broad compatibility features, including ATX 3.1 and PCIe 5.1 adherence, making it ready for next-generation components. It also includes a native 12V-2x6 jack, which is especially beneficial for modern graphics cards. In contrast, the MSI MAG A550BN does not provide specific compatibility details. For users looking to build or upgrade their systems with the latest technology, the ASRock PRO 750G provides a more future-proof option.
Cooling Technology
Cooling technology is another area where the ASRock PRO 750G outshines the MSI MAG A550BN. The ASRock model features a 120mm silent cooling fan designed to operate quietly while effectively managing heat. This aspect is crucial in maintaining optimal performance and longevity of the power supply. Conversely, the cooling technology specifics of the MSI MAG A550BN are not mentioned, leaving potential buyers without assurance regarding its cooling capabilities. For users concerned about noise and heat management, the ASRock PRO 750G offers a clear advantage.
Warranty and Support
The warranty and support offerings differ between the two models. The MSI MAG A550BN comes with a 5-year limited warranty, indicating a commitment to long-term reliability. In comparison, the ASRock PRO 750G includes a 3-year warranty. While both warranties are beneficial, the longer duration of the MSI MAG A550BN may provide additional peace of mind for users who want to ensure their investment is protected over a more extended period.
Noise Levels
When it comes to noise levels, the ASRock PRO 750G is optimised for low-noise operation, thanks to its silent 120mm cooling fan. This feature makes it an excellent choice for users who prioritise a quiet computing environment, whether for gaming or professional work. In contrast, the MSI MAG A550BN is noted for having a low noise fan, but specific details regarding its noise levels are not provided. Users seeking a power supply that prioritises silence may lean towards the ASRock model, as it explicitly addresses this concern.
Which should you buy?
Choosing between the MSI MAG A550BN and the ASRock PRO 750G depends on your specific needs and budget. If you are looking for a cost-effective power supply with a longer warranty and are not heavily reliant on high wattage, the MSI MAG A550BN at C$84.99 is a solid choice. However, if you require higher performance, better energy efficiency, and modern compatibility features, the ASRock PRO 750G, priced at C$89.94, will likely serve you better in the long run. Ultimately, your decision should reflect the balance between budget and the specific requirements of your computer system.
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