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be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® vs MSI MAG A750GLS PCIE5, Fully Modular Compact

Updated August 2026 — be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® wins on cooling and power output, MSI MAG A750GLS PCIE5, Fully Modular Compact wins on warranty.

The be quiet! Dark Power 14 1200W excels in power output and efficiency, making it ideal for high-end systems, while the MSI MAG A750GLS offers great value for mid-range setups.

Why be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® is better

Higher Power

Dark Power 14 offers 1200W compared to A750GLS's 750W.

Better Efficiency

Dark Power 14 has 80 PLUS Titanium certification.

Advanced Cooling

Dark Power 14 features semi-passive cooling mode.

Why MSI MAG A750GLS PCIE5, Fully Modular Compact is better

Lower Price

A750GLS is priced at $89.99.

Compact Size

A750GLS has a smaller form factor.

Long Warranty

A750GLS comes with a 10-year warranty.

Overall score

be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®
90
MSI MAG A750GLS PCIE5, Fully Modular Compact
75

Specifications

Specbe quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®MSI MAG A750GLS PCIE5, Fully Modular Compact
Certification80 PLUS Titanium80 PLUS Gold
ModularityFully ModularFully Modular
Cooling TypeActive/Semi-PassiveActive
Connector Type12V-2x612V-2x6
Fan SizeSilent Wings135 mm

Dimension comparison

be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®MSI MAG A750GLS PCIE5, Fully Modular Compact

Overview of the Power Supplies

When comparing the be quiet! Dark Power 14 1200W and the MSI MAG A750GLS PCIE5, the first noticeable difference is their power output and efficiency ratings. The Dark Power 14 provides a substantial 1200W of power with an 80 PLUS Titanium certification, boasting an efficiency rating of up to 95.42%. In contrast, the MSI MAG A750GLS offers a 750W output with an 80 PLUS Gold certification, which allows for efficiency up to 90%. The larger power capacity of the Dark Power 14 is particularly suited for high-end systems, while the A750GLS is more targeted toward mid-range setups.

Pricing Comparison

The be quiet! Dark Power 14 is priced at $289.90, significantly higher than the MSI MAG A750GLS, which is available for $89.99. This makes the Dark Power 14 approximately 223% more expensive than the A750GLS. While the higher price of the Dark Power 14 reflects its advanced features and higher wattage, the MSI MAG A750GLS offers excellent value for users who require a reliable power supply without the need for extreme wattage.

Power Output and Efficiency

In terms of power output, the Dark Power 14 outshines the MSI MAG A750GLS with its robust 1200W capacity. This makes it particularly ideal for systems that require a significant amount of power, such as those equipped with multiple high-end graphics cards. On the other hand, the A750GLS, with its 750W output, is sufficient for most gaming and standard computing needs, especially when paired with a single GPU. The efficiency rating of the Dark Power 14 also suggests that it will consume less power overall, making it a more economical choice in the long run for power-hungry setups.

Cooling Solutions

Cooling solutions are crucial for maintaining optimal performance, and both power supplies offer distinct approaches. The Dark Power 14 features an advanced cooling system that includes a Silent Wings fan capable of operating in both active and semi-passive modes. This flexibility allows for quieter operation under low loads. Conversely, the MSI MAG A750GLS is designed with a 135 mm fluid-dynamic bearing fan, which also focuses on low-noise operation. While both options aim for quiet performance, the Dark Power 14’s semi-passive mode may provide a slight edge in noise management during light use.

Modular Design

Modularity can greatly enhance a PC build’s cable management and airflow. The Dark Power 14 is fully modular, allowing users to connect only the cables they need, thereby reducing clutter. It also includes native connectors for next-generation PCIe 5.1 graphics cards, adding to its versatility. The MSI MAG A750GLS is also fully modular, featuring a native 12V-2x6 connector that supports PCIe 5.1 GPUs. Both power supplies excel in this category, but the Dark Power 14’s additional features for future-proofing may appeal to more advanced users.

Noise Levels

When it comes to noise levels, both power supplies are engineered for quiet performance. The Dark Power 14's Silent Wings fan operates silently under low load thanks to its semi-passive cooling option, making it an excellent choice for those who prioritize a silent environment. Meanwhile, the MSI MAG A750GLS maintains a low noise level comparable to a peaceful night, thanks to its fluid-dynamic bearing fan. Users who are sensitive to noise will find both options satisfactory, although the Dark Power 14’s adjustable cooling modes may provide more customization for noise control.

Warranty and Reliability

Warranty and reliability are key factors for any power supply purchase. The Dark Power 14 does not specify a warranty period, which may be a consideration for potential buyers. However, be quiet! is known for producing reliable products. On the other hand, the MSI MAG A750GLS comes with a robust 10-year warranty, underscoring MSI’s confidence in this unit’s longevity and reliability. This long warranty period may provide peace of mind for users who want assurance in their investment.

Which should you buy?

Ultimately, the choice between the be quiet! Dark Power 14 1200W and the MSI MAG A750GLS comes down to your specific needs and budget. If you require a high-capacity power supply for a demanding system, the Dark Power 14 is an excellent option, albeit at a premium price of $289.90. However, for gamers or users with less intensive power requirements, the MSI MAG A750GLS offers a more budget-friendly solution at $89.99, providing sufficient power for standard setups without sacrificing efficiency. Each power supply has its strengths, making it crucial to consider what features matter most to you.