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Corsair HX1000i Fully Modular Ultra-Low Noise ATX vs Redragon RGPS-850W 80+ Gold

Updated August 2026 — Corsair HX1000i Fully Modular Ultra-Low Noise ATX leads on warranty and noise level.

The Corsair HX1000i excels in efficiency and features, while the Redragon RGPS-850W offers great value for budget-conscious users.

Why Corsair HX1000i Fully Modular Ultra-Low Noise ATX is better

Efficiency

Corsair has 80 Plus Platinum vs Gold

Warranty

Corsair offers a ten-year warranty

Software

Corsair includes iCUE software for customization

Why Redragon RGPS-850W 80+ Gold is better

Price

Redragon is $110 cheaper

RGB Features

Redragon offers customizable RGB lighting

Size

Redragon is more compact at 160mm

Overall score

Corsair HX1000i Fully Modular Ultra-Low Noise ATX
88
Redragon RGPS-850W 80+ Gold
74

Specifications

SpecCorsair HX1000i Fully Modular Ultra-Low Noise ATXRedragon RGPS-850W 80+ Gold
Certification80 Plus Platinum80 Plus Gold
Fan TypeFluid DynamicRGB Fan
ModularityFully ModularFully Modular
ATX Standard3.13.1
PCIe Support5.15.1

Dimension comparison

Corsair HX1000i Fully Modular Ultra-Low Noise ATXRedragon RGPS-850W 80+ Gold

Overview

When it comes to high-performance power supplies, the Corsair HX1000i and the Redragon RGPS-850W stand out, each catering to different user needs. The Corsair HX1000i is priced at $234.99, while the Redragon RGPS-850W offers a more budget-friendly option at $124.99, making it about 47% cheaper. This comparison will delve into their key features, performance, and suitability for various setups.

Power Efficiency

The Corsair HX1000i boasts an impressive 80 Plus Platinum efficiency rating, allowing it to deliver optimal power while minimizing energy waste. In contrast, the Redragon RGPS-850W holds an 80 Plus Gold certification, which also signifies good efficiency but is slightly less efficient than its Corsair counterpart. The difference in efficiency can translate to lower electricity bills over time, making the Corsair a better long-term investment for power-conscious users, despite the higher initial cost.

Cooling Solutions

Both power supplies feature advanced cooling mechanisms, but they differ in their approaches. The Corsair HX1000i utilizes a 140mm fluid dynamic bearing fan that operates quietly and lasts longer. It also features Zero RPM Fan Mode, ensuring silent operation during low and medium loads. The Redragon RGPS-850W, on the other hand, is equipped with a smart ECO low noise RGB fan that only activates at temperatures above 60℃, promoting quiet operation. While both designs aim for minimal noise, the Corsair’s fan technology may provide superior longevity and performance under varying loads.

Modularity

Modularity is a significant feature in power supplies, affecting installation and cable management. The Corsair HX1000i is fully modular, allowing users to connect only the necessary cables for their builds, simplifying cable management. Similarly, the Redragon RGPS-850W is also fully modular, which means it offers the same convenience in terms of cable connections. This feature is essential for users who prioritize a clean and organized build, making both options equally appealing in this regard.

Compatibility and Standards

The Corsair HX1000i is ATX 3.1 and PCIe 5.1 certified, accommodating the latest hardware specifications and power requirements, making it ideal for users looking to upgrade to the latest GPUs and components. The Redragon RGPS-850W shares the same ATX 3.1 and PCIe 5.1 compatibility, ensuring it can support high-performance NVIDIA and AMD graphics cards, including the latest models. Therefore, in terms of compatibility with modern hardware, both power supplies are on equal footing.

Build Quality and Components

Build quality plays a crucial role in the reliability of power supplies. The Corsair HX1000i is built with Japanese 105°C-rated electrolytic capacitors, which are known for their longevity and reliability, backed by a ten-year warranty. This level of assurance makes it a robust choice for high-performance rigs. The Redragon RGPS-850W also incorporates 100% Japanese capacitors, emphasizing its commitment to quality and durability. While both units utilize high-quality components, the extended warranty of the Corsair may provide additional peace of mind for users prioritizing long-term reliability.

Additional Features

The Corsair HX1000i comes with powerful iCUE software, which allows users to create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection on-the-fly. This feature adds significant value for tech enthusiasts who enjoy customizing their setups. The Redragon RGPS-850W offers up to nine RGB modes with 26 color selections, enhancing aesthetic appeal in builds where lighting is a consideration. While the Corsair focuses on performance and customization, the Redragon emphasizes visual flair, catering to different user preferences.

Price Comparison

The price difference between the two power supplies is significant, with the Corsair HX1000i priced at $234.99 and the Redragon RGPS-850W at $124.99. This represents a savings of approximately $110, or about 47%. For users on a budget or those who do not need the highest efficiency rating, the Redragon offers excellent value without sacrificing essential features. However, for those willing to invest more for greater efficiency, longevity, and additional features, the Corsair may justify its higher price.

Which should you buy?

Ultimately, the choice between the Corsair HX1000i and the Redragon RGPS-850W hinges on individual needs and budget. If you're seeking top-tier efficiency, advanced features, and superior build quality, the Corsair HX1000i is the clear winner, despite its higher price. Conversely, if you're looking for a reliable, budget-friendly power supply with solid performance and good aesthetics, the Redragon RGPS-850W is a fantastic option. Both power supplies cater to different segments of the market, ensuring that users can find a suitable match for their specific requirements.