CORSAIR SF850 vs Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1

Price Comparison

When comparing the prices of the CORSAIR SF850 and the Redragon RGPS-850W, there is a significant difference. The CORSAIR SF850 is priced at C$279.99, whereas the Redragon RGPS-850W is considerably more affordable at C$154.99. This price difference of C$125 highlights the Redragon as a budget-friendly option for consumers looking for a reliable power supply without breaking the bank.

Power Efficiency

In terms of power efficiency, the CORSAIR SF850 boasts an 80 PLUS Platinum rating, which indicates superior efficiency during operation compared to the 80 PLUS Gold rating of the Redragon RGPS-850W. The Platinum certification ensures that the CORSAIR model operates with less energy waste, making it ideal for high-performance systems where power consumption is a concern. While the Redragon is efficient and suitable for most builds, those prioritising energy savings might lean towards the more efficient CORSAIR option.

Compatibility with Modern Standards

Both the CORSAIR SF850 and the Redragon RGPS-850W are designed to meet modern power supply standards. The CORSAIR SF850 is compliant with the ATX 3.0 power standard and is PCIe 5.0 ready, making it compatible with the latest graphics cards and motherboards. On the other hand, the Redragon RGPS-850W supports ATX 3.1 and PCIe 5.1, which allows for greater power excursions, particularly for high-performance GPUs like the Nvidia RTX 40/50 series. This makes the Redragon a strong contender for users who want to future-proof their builds.

Build Quality and Components

The build quality of a power supply is crucial for ensuring reliability and performance. The CORSAIR SF850 features 105°C rated Japanese capacitors, which are known for their durability and reliability under high loads. This is complemented by its fully modular design, which facilitates better cable management in compact cases. Conversely, the Redragon RGPS-850W also utilises 100% Japanese capacitors, promoting stability and performance. However, it also includes a Zero RPM Mode fan, which only activates when temperatures reach 60°C, ensuring quieter operation during low loads. Both power supplies use high-quality components, but the approach to cooling differs.

Cooling Solutions

Cooling is an essential aspect of a power supply's performance, especially under heavy loads. The CORSAIR SF850 is equipped with a 92mm PWM cooling fan that operates efficiently while maintaining low noise levels due to its fluid dynamic bearing design. In contrast, the Redragon RGPS-850W features a Zero RPM Mode fan that keeps the fan inactive during low temperatures, promoting a quieter operation. While both cooling solutions are effective, the CORSAIR’s fan is continuous, ensuring consistent cooling, whereas the Redragon employs a more passive approach that may appeal to users seeking a quieter system during light use.

Size and Form Factor

When it comes to size and form factor, both the CORSAIR SF850 and the Redragon RGPS-850W are designed to fit comfortably in various cases. The CORSAIR SF850 is an SFX power supply, which is ideal for compact builds where space is at a premium. The Redragon RGPS-850W, measuring 160mm, is slightly larger but still compact enough to fit in most chassis while allowing for tidy cable management. Users with smaller cases may find the CORSAIR's SFX design more appealing, while those with standard ATX cases can comfortably accommodate the Redragon.

Aesthetic Features

For users who appreciate aesthetics in their builds, the Redragon RGPS-850W has an edge with its RGB lighting. It offers up to 9 RGB modes and 26 selected colours to complement a variety of case illumination styles. This feature not only enhances the visual appeal of a gaming setup but also allows users to create a unique atmosphere. In contrast, the CORSAIR SF850 focuses more on performance than aesthetics and does not include RGB lighting, which may be a drawback for users prioritising a visually striking build.

Which should you buy?

In deciding between the CORSAIR SF850 and the Redragon RGPS-850W, it ultimately comes down to your specific needs and budget. The CORSAIR SF850 offers superior efficiency with its Platinum rating, high-quality components, and compact SFX form factor, making it ideal for high-performance, space-constrained builds. However, the Redragon RGPS-850W presents a fantastic value with its lower price point, compatibility with modern standards, and appealing RGB features, making it suitable for users who want a reliable power supply without the premium cost. If performance and efficiency are your main concerns, the CORSAIR is the way to go; if you’re looking for a cost-effective solution with modern features, the Redragon is a strong contender.