be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® vs MONTECH Century II - 850W High-End ATX Gaming
Updated August 2026 — be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® wins on noise level and cooling, MONTECH Century II - 850W High-End ATX Gaming wins on warranty.
The be quiet! Dark Power 14 1200W excels in power output and efficiency, making it the superior choice for high-end builds. However, the MONTECH Century II offers a budget-friendly option with solid performance.
Why be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® is better
Power Output
Dark Power 14 provides 1200W compared to Century II's 850W.
Efficiency
Dark Power 14 has 80 PLUS Titanium certification, outperforming Century II's Gold.
Cooling Solutions
Dark Power 14 features advanced dual cooling modes.
Why MONTECH Century II - 850W High-End ATX Gaming is better
Price
Century II is significantly cheaper at $89.90.
Warranty
Century II offers a 10-year warranty.
Modularity
Both are fully modular, but Century II is simpler for budget builds.
Overall score
Specifications
| Spec | be quiet! Dark Power 14 1200W, ATX 3.1, 80 Plus® | MONTECH Century II - 850W High-End ATX Gaming |
|---|---|---|
| Brand | be quiet! | Montech |
| Certification | 80 PLUS Titanium | 80 PLUS Gold |
| Cooling Modes | Active/Semi-Passive | Standard |
| Modularity | Fully Modular | Fully Modular |
| PCIe Support | PCIe 5.1 | PCIe 5.1 |
| Cable Included | 12V-2x6 | 12V-2x6 |
Dimension comparison
Price Comparison
When comparing the be quiet! Dark Power 14 1200W and the MONTECH Century II 850W, the price difference is substantial. The Dark Power 14 is priced at $289.90, while the Century II offers a more budget-friendly option at $89.90. This makes the Century II about 69% cheaper than the Dark Power 14. If budget is a primary concern, the MONTECH Century II presents a significantly lower initial investment, suitable for gamers or builders looking to save without sacrificing performance.
Power Output
The power output is a critical factor in selecting a power supply, especially for high-performance systems. The be quiet! Dark Power 14 boasts a robust output of 1200W, making it ideal for high-end builds that may include multiple GPUs or overclocking setups. In contrast, the MONTECH Century II offers an 850W output, which is still adequate for many gaming rigs but may limit the configurations that can be powered. If maximum wattage is a priority, the Dark Power 14 stands out with its 1200W capability.
Efficiency Ratings
In terms of efficiency, the be quiet! Dark Power 14 holds a significant advantage with its 80 PLUS Titanium certification, achieving an energy efficiency rating of up to 95.42%. This translates to lower power consumption and cooler operation, which can be particularly beneficial for high-end systems. On the other hand, the MONTECH Century II is certified with 80 PLUS Gold and Cybenetics Platinum, which, while respectable, does not match the efficiency of the Dark Power 14. For users looking for the utmost in efficiency, the Dark Power 14 is the clear choice.
Modularity
Modularity is an essential feature for cable management and airflow within a PC case. The be quiet! Dark Power 14 is fully modular, allowing users to connect only the cables they need, reducing clutter and improving airflow. The MONTECH Century II is also fully modular, which is advantageous for tidy builds. While both products offer this feature, the Dark Power 14's additional design and engineering might provide a slight edge in ease of installation and overall aesthetics.
Cooling Solutions
Cooling is a vital aspect of maintaining optimal system performance. The Dark Power 14 features a unique dual cooling mode—active and semi-passive—allowing users to choose between constant fan operation or fan-less operation under low loads. This flexibility can lead to quieter operation during lighter tasks. The MONTECH Century II, while designed for gaming, does not highlight any specific advanced cooling features, which may make it less appealing to users who prioritize low noise levels in their systems. If cooling versatility is important to you, the Dark Power 14’s advanced cooling options are a distinct advantage.
Compatibility
Compatibility with the latest components is crucial, especially for future-proofing a build. The be quiet! Dark Power 14 is not only ATX 3.1 compliant but also includes native integration of two 12V-2x6 connectors for PCIe 5.1 graphics cards, ensuring it can support the latest high-performance GPUs. The MONTECH Century II is also ATX 3.1 and PCIe 5.1 ready, but the lack of specific mention regarding advanced connector options may limit its appeal for the most cutting-edge components. If you’re planning to invest in the latest hardware, the Dark Power 14 may offer greater peace of mind.
Warranty and Reliability
Warranty length can often reflect a manufacturer’s confidence in their product. The be quiet! Dark Power 14 does not specify its warranty duration, while the MONTECH Century II comes with an impressive 10-year warranty. This extended coverage indicates that MONTECH stands by their product’s reliability over a longer term. For users who prioritize long-term reliability and support, the MONTECH Century II could be the more appealing option.
Which should you buy?
Choosing between the be quiet! Dark Power 14 1200W and the MONTECH Century II 850W ultimately depends on your specific needs and budget. If you require maximum power output, top-tier efficiency, and advanced cooling options for a high-end build, the Dark Power 14 is the premium choice at $289.90. However, if you are looking for a cost-effective solution that still offers solid performance for gaming at a significantly lower price of $89.90, the MONTECH Century II is a commendable option. Consider your power needs, budget, and the importance of features like efficiency and cooling when making your decision.

