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be quiet! Straight Power 12-1500w Modular Power vs Redragon RGPS-850W 80+ Gold

Updated August 2026 — be quiet! Straight Power 12-1500w Modular Power leads on warranty and cooling.

The be quiet! Straight Power 12 offers superior performance and efficiency, making it the better choice for high-end users, while the Redragon RGPS-850W is a solid budget option.

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 no extended warranty

Why Redragon RGPS-850W 80+ Gold is better

Price

$124.99 vs $254.99

Size

Compact 160mm vs larger size

RGB Features

RGB modes vs no RGB

Overall score

be quiet! Straight Power 12-1500w Modular Power
88
Redragon RGPS-850W 80+ Gold
75

Specifications

Specbe quiet! Straight Power 12-1500w Modular PowerRedragon RGPS-850W 80+ Gold
Certification80 PLUS Platinum80 PLUS Gold
Fan TypeSilent WingsZero RPM
CapacitorsJapanese 105°C100% Japanese
Connector Type12VHPWR12VHPWR
Price$254.99$124.99

Dimension comparison

be quiet! Straight Power 12-1500w Modular PowerRedragon RGPS-850W 80+ Gold

Overview of the Products

The be quiet! Straight Power 12-1500w Modular Power Supply offers high performance and efficiency, while the Redragon RGPS-850W 80+ Gold Power Supply emphasizes affordability and adequate power for mid-range systems. The Straight Power 12 is priced at $254.99, making it a premium choice, whereas the Redragon is considerably cheaper at $124.99, representing a difference of about 51%. This price point makes the Redragon an attractive option for budget-conscious consumers who still seek quality.

Power Output and Efficiency

When it comes to power output, the be quiet! Straight Power 12 provides a robust 1500W of continuous power, which is ideal for high-end and demanding systems. It boasts an impressive 80 PLUS Platinum certification with energy efficiency of up to 93.9%. In contrast, the Redragon RGPS-850W delivers 850W of power and is 80 PLUS Gold certified, which is still commendable but offers less wattage and efficiency compared to its competitor. This difference in power output means that the Straight Power 12 is better suited for advanced setups that may include multiple GPUs or processors.

Build Quality and Reliability

The build quality of the be quiet! Straight Power 12 is highlighted by its use of Japanese 105°C capacitors, ensuring high stability and reliability under loads. This premium construction is supported by a 10-year manufacturer's warranty, indicating the brand's confidence in its longevity. On the other hand, the Redragon RGPS-850W also features 100% Japanese capacitors, which enhance its reliability, but it lacks an extended warranty period. While both power supplies offer quality components, the Straight Power 12's warranty and overall construction may provide a peace of mind for users seeking a long-term investment.

Cooling and Noise Levels

Noise levels are crucial for users who prioritize a quiet computing environment. The be quiet! Straight Power 12 utilizes a Silent Wings 135mm fan known for its efficient airflow and minimal noise output, thanks to its advanced design. It operates virtually inaudibly, making it an excellent choice for silent builds. Conversely, the Redragon RGPS-850W features a Zero RPM Mode fan that only activates when temperatures reach 60°C, ensuring quiet operation during low loads. However, when the fan is engaged, it may produce more noise compared to the Straight Power 12. Thus, for silent operation, the Straight Power 12 holds a significant advantage.

Modular Design and Cable Management

Both power supplies offer modular cable management, which is essential for maintaining a tidy build and optimizing airflow. The be quiet! Straight Power 12 includes a fully modular design, allowing users to connect only the cables they need. This feature is particularly beneficial in high-performance systems where airflow is crucial. The Redragon RGPS-850W also claims to have flat fully modular cables, which help reduce clutter. However, the Straight Power 12's superior design may lead to better thermal performance due to its more efficient airflow capabilities.

Compatibility with Modern Hardware

The be quiet! Straight Power 12 is designed to be ATX 3.0 compliant and supports PCIe 5.0 graphics cards with a native 12VHPWR connector, making it future-proof for upcoming hardware. This level of compatibility is essential for users looking to invest in the latest technology. The Redragon RGPS-850W also supports ATX 3.1 and PCIe 5.1, making it compatible with modern GPUs, including Nvidia's RTX 40/50 series. While both are future-ready, the Straight Power 12’s additional efficiency enhancements may offer a more stable power supply for cutting-edge components.

Target Audience and Use Case

The be quiet! Straight Power 12 is targeted towards high-end users who require top-tier performance, reliability, and a silent operation. It is ideal for gamers, content creators, and professionals who rely on powerful systems. Priced at $254.99, it is clearly positioned as a premium product. On the other hand, the Redragon RGPS-850W is aimed at budget-conscious gamers and casual users who need a reliable power supply without the high cost. At $124.99, it provides adequate performance for mid-range builds and is suitable for those not looking to push performance boundaries.

Which should you buy?

In conclusion, choosing between the be quiet! Straight Power 12 and the Redragon RGPS-850W boils down to your specific needs and budget. The Straight Power 12 is the superior choice for users who prioritize maximum power output, efficiency, and silent operation, justifying its higher price. However, if you are looking for a budget-friendly option that still offers decent performance and modern compatibility, the Redragon RGPS-850W is a solid choice. Ultimately, both power supplies cater to different segments of the market, ensuring that users can find an option that best suits their requirements.