be quiet! Straight Power 12-1500w Modular Power vs PCCOOLER PSU Fully Modular Power Supply, 850W ATX
Updated August 2026 — be quiet! Straight Power 12-1500w Modular Power wins on power and warranty, PCCOOLER PSU Fully Modular Power Supply, 850W ATX wins on price.
The be quiet! Straight Power 12 excels in power output and efficiency, making it the better choice for high-performance systems. However, the PCCOOLER PSU offers a budget-friendly option with decent features.
Why be quiet! Straight Power 12-1500w Modular Power is better
Power Output
1500W vs 850W
Efficiency
80 Plus Platinum vs Gold
Warranty
10 years vs 5 years
Why PCCOOLER PSU Fully Modular Power Supply, 850W ATX is better
Price
$79.99 vs $254.99
Cable Flexibility
Ultra-flexible cables
Weight
Lighter design
Overall score
Specifications
| Spec | be quiet! Straight Power 12-1500w Modular Power | PCCOOLER PSU Fully Modular Power Supply, 850W ATX |
|---|---|---|
| Wattage | 1500W | 850W |
| Efficiency Rating | 80 Plus Platinum | 80 Plus Gold |
| Cooling Fan | 135mm Silent Wings | 120mm Hydraulic |
| Modular Design | Fully Modular | Fully Modular |
| Capacitors | Japanese 105°C | Japanese 105°C |
Dimension comparison
Power Output and Efficiency
The be quiet! Straight Power 12 offers a significantly higher power output than the PCCOOLER PSU, delivering 1500W compared to PCCOOLER's 850W. This difference makes the Straight Power 12 ideal for high-performance systems that require more power, especially those that utilize multiple GPUs or high-end components. Additionally, the Straight Power 12 is certified with an 80 Plus Platinum rating, achieving up to 93.9% efficiency. In contrast, the PCCOOLER PSU is 80 Plus Gold certified, providing up to 92% efficiency. While both power supplies ensure energy efficiency, the Straight Power 12 slightly outperforms the PCCOOLER in this regard, making it a better choice for users seeking maximum energy savings.
Modular Design and Cable Management
Both power supplies feature a fully modular design, which allows users to connect only the cables they need, promoting improved airflow and easier cable management. However, the PCCOOLER PSU stands out with its ultra-flexible shark-pattern cables that are designed to offer enhanced flexibility and organization. While the be quiet! Straight Power 12 provides modular cable management, the flexibility of the PCCOOLER's cables may appeal more to users who prioritize aesthetics and neatness in their builds. This difference is crucial for gamers and professionals who may frequently upgrade or adjust their setups.
Cooling Technology
Cooling performance is a critical aspect of any power supply, and both options feature advanced cooling solutions. The be quiet! Straight Power 12 utilizes a Silent Wings 135mm fan, which is designed for minimal noise while providing excellent airflow. This fan operates virtually inaudibly, allowing for a quieter system overall. On the other hand, the PCCOOLER PSU employs a temperature-controlled 120mm hydraulic bearing fan that adjusts its speed based on the load. While both cooling solutions aim to maintain optimal temperatures, the Straight Power 12’s advanced fan technology may offer quieter operation during heavy use, which can be a deciding factor for those who prioritize silence.
Build Quality and Components
In terms of component quality, both power supplies are built to last, featuring high-quality materials. The Straight Power 12 uses Japanese 105°C capacitors for stability and reliability, which is also a highlight of the PCCOOLER PSU. However, the be quiet! model emphasizes its design with a full bridge LLC technology for unmatched signal stability, which might appeal to users looking for high-end performance. While both power supplies are reliable, the Straight Power 12’s additional focus on signal stability may provide an edge for enthusiasts who require the utmost reliability in demanding scenarios.
Compatibility with Modern GPUs
The be quiet! Straight Power 12 is designed with future-proofing in mind, offering native integration of the 12VHPWR connector for next-generation PCIe 5.0 graphics cards, along with four PCIe 6+2-pin connectors for current-gen GPUs. This makes it a versatile choice for users planning to upgrade their graphics cards in the near future. Meanwhile, the PCCOOLER PSU is fully compliant with ATX 3.1 specifications and includes a native 12V-2×6 PCIe 5.1 connector, which also supports the latest GPUs without the need for adapters. Both power supplies are well-equipped for modern GPU requirements, but the Straight Power 12 may provide more options for those looking to maximize performance with upcoming hardware.
Pricing and Warranty
The be quiet! Straight Power 12 is priced at $254.99, while the PCCOOLER PSU is significantly more budget-friendly at $79.99, making it about 69% cheaper. This price difference may be compelling for users on a tighter budget or those who do not require the higher wattage of the Straight Power 12. However, the Straight Power 12 comes with a generous 10-year manufacturer’s warranty, compared to the PCCOOLER’s 5-year warranty. This longer warranty period might justify the higher price for users seeking peace of mind and longevity in their investment.
Brand Reputation and Customer Trust
When it comes to brand reputation, be quiet! is widely recognized for its commitment to quality and quiet performance in power supplies and cooling solutions. The company has built a strong following among enthusiasts who prioritize silent operation and reliability. Conversely, PCCOOLER is gaining traction in the market with its value-oriented products, appealing to budget-conscious consumers. While PCCOOLER has its merits, be quiet!'s established reputation may sway users who value brand trust and proven performance over cost alone.
Which should you buy?
Ultimately, the decision between the be quiet! Straight Power 12 and the PCCOOLER PSU hinges on your specific needs and budget. If you require a high-output power supply for a demanding setup and prioritize efficiency, silent operation, and long-term investment, the Straight Power 12 stands out as the superior option. However, if you are looking for a more affordable solution that still meets modern GPU requirements and offers decent performance, the PCCOOLER PSU is an excellent choice. Each power supply has its strengths, making the ideal option dependent on your individual requirements and financial considerations.

