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Auotac 850W Fully Modular Power Supply, 80+ Gold vs be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®

Updated August 2026 — Auotac 850W Fully Modular Power Supply, 80+ Gold wins on warranty, be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® wins on noise level and compatibility.

The Auotac 850W offers great value for budget-conscious users, while the be quiet! Dark Power 14 excels in efficiency and advanced features. Choose based on your budget and performance needs.

Why Auotac 850W Fully Modular Power Supply, 80+ Gold is better

Price

Auotac is significantly cheaper at $79.99.

RGB Fan

Auotac features an RGB low-noise fan.

Tool Kit

Auotac includes a PSU tester and cable management tools.

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

Efficiency

be quiet! has 80 PLUS Titanium certification.

Cooling Modes

be quiet! offers active and semi-passive cooling.

Overclocking

be quiet! allows switching between multi-rail and single-rail modes.

Overall score

Auotac 850W Fully Modular Power Supply, 80+ Gold
75
be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®
90

Specifications

SpecAuotac 850W Fully Modular Power Supply, 80+ Goldbe quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®
Certification80 PLUS Gold80 PLUS Titanium
Fan Size140mmSilent Wings
ModularFully ModularFully Modular
Cooling ModesStandardActive/Semi-Passive
Warranty10 Years5 Years

Dimension comparison

Auotac 850W Fully Modular Power Supply, 80+ Goldbe quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus®

Overview of Auotac 850W Fully Modular Power Supply

The Auotac 850W Fully Modular Power Supply offers a solid balance of performance and efficiency at a price of $79.99. It is 80 PLUS Gold certified, delivering 92% efficiency, which ensures effective power transmission to your components. This model is designed for gamers and PC enthusiasts looking for reliability without breaking the bank.

The fully modular design of the Auotac allows users to eliminate cable clutter, optimizing airflow and improving thermal performance. Additionally, the power supply supports ATX 3.1 and PCIe 5.1 standards, making it future-proof for high-performance components. Its 140mm RGB low-noise fan enhances cooling while adding aesthetic appeal, making it a captivating choice for builds that prioritize both functionality and style.

Overview of be quiet! Dark Power 14 1200W

The be quiet! Dark Power 14 1200W stands out with an impressive price of $289.90, but it justifies this investment through its 80 PLUS Titanium certification, achieving an energy efficiency rating of up to 95.42%. This high efficiency contributes to lower power consumption and a quieter operation, making it ideal for premium gaming rigs and workstations.

This power supply supports ATX 3.1 and features both native 12V-2x6 connectors for next-gen PCIe 5.1 graphics cards and additional PCIe 6+2-pin connectors, offering versatility for current and future high-end systems. The Dark Power 14 also includes a unique active and semi-passive cooling feature, allowing users to switch between modes depending on their cooling needs, further enhancing its appeal for overclocking enthusiasts.

Price Comparison

When comparing the prices of the Auotac 850W and the be quiet! Dark Power 14, there is a significant difference. The Auotac is priced at $79.99, while the be quiet! is considerably higher at $289.90. This makes the Auotac about 72% cheaper than the be quiet! model.

While the Auotac offers great value for budget-conscious consumers, the higher price of the be quiet! reflects its advanced features and superior efficiency. The decision between these two power supplies ultimately hinges on what consumers are willing to invest in terms of performance and efficiency for their systems.

Performance and Efficiency

In terms of performance, the Auotac 850W excels with its 80 PLUS Gold certification, providing 92% efficiency. This ensures that power is efficiently delivered to components, reducing energy waste and heat generation. The use of 105°C Japanese capacitors further enhances its reliability and longevity, making it a solid option for gamers.

On the other hand, the be quiet! Dark Power 14, with its 80 PLUS Titanium certification, boasts an even higher efficiency of up to 95.42%. This not only leads to lower electricity bills but also results in a quieter operation due to less heat generation. The advanced cooling features, including a high-end fan integrated into the heat sink, allow for exceptional cooling performance, especially under load.

Modular Design and Cable Management

Both power supplies feature a fully modular design, which is essential for maintaining a clean build and optimal airflow. The Auotac 850W offers dragon-patterned cables that help eliminate cable clutter, while the be quiet! Dark Power 14 comes with two native 12V-2x6 connectors designed for modern graphics cards, along with additional PCIe connectors for future-proofing.

The Auotac includes a tool kit with a PSU tester and cable management comb, making it user-friendly for beginners. In contrast, the be quiet! model emphasizes high-end features, such as the ability to switch between multi-rail and single-rail modes for overclocking, adding to its versatility.

Cooling Solutions

Cooling is a critical consideration for power supplies, especially for high-performance builds. The Auotac 850W is equipped with a 140mm RGB low-noise fan that enhances cooling efficiency while providing aesthetic value. Its silent mode is a notable feature, outperforming standard 120mm fans in terms of quietness and heat dissipation.

In contrast, the be quiet! Dark Power 14 employs advanced cooling technology with its Silent Wings fan, which can operate in both active and semi-passive modes. This flexibility allows for quieter operation during low loads, reducing noise pollution in quieter environments. The post-ventilation feature also ensures that the power supply remains cool after use, preventing overheating and enhancing longevity.

Target Audience

The Auotac 850W is targeted towards budget-conscious gamers and PC builders who need reliable performance without high costs. Its features make it ideal for mainstream gaming setups that do not demand the utmost in power efficiency.

Conversely, the be quiet! Dark Power 14 is aimed at high-end users and professionals who are willing to invest more for top-tier performance and efficiency. Its advanced features cater to enthusiasts and overclockers who prioritize power stability and cooling in their systems.

Which should you buy?

Choosing between the Auotac 850W and the be quiet! Dark Power 14 ultimately depends on your specific needs and budget. If you are looking for an economical option that provides solid performance and reliability, the Auotac 850W is an excellent choice at $79.99. However, if you are willing to invest in superior efficiency, advanced cooling solutions, and future-proofing capabilities, the be quiet! Dark Power 14 at $289.90 is worth considering. Each power supply has its merits, and your decision should align with your performance requirements and budget constraints.