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CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX vs Redragon RGPS-850W 80+ Gold

Updated August 2026 — CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX leads on noise level and warranty.

The CORSAIR HX1500i offers superior power output and efficiency, making it the better choice for high-performance systems. However, the Redragon RGPS-850W is a more budget-friendly option with decent features.

Why CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX is better

Power Output

CORSAIR provides 1500 watts compared to Redragon's 850 watts.

Efficiency

CORSAIR has an 80 PLUS Platinum rating versus Gold for Redragon.

Warranty

CORSAIR offers a ten-year warranty, while Redragon's warranty is unspecified.

Why Redragon RGPS-850W 80+ Gold is better

Price

Redragon is significantly cheaper at $124.99.

RGB Features

Redragon includes RGB lighting with multiple modes.

Size

Redragon's compact 160mm size allows for better chassis compatibility.

Overall score

CORSAIR HX1500i Fully Modular Ultra-Low Noise ATX
90
Redragon RGPS-850W 80+ Gold
70

Specifications

SpecCORSAIR HX1500i Fully Modular Ultra-Low Noise ATXRedragon RGPS-850W 80+ Gold
ModularFully ModularFully Modular
Fan Size140mm120mm
ATX Standard3.13.1
PCIe Support5.15.1
Cooling ModeZero RPMZero RPM

Dimension comparison

CORSAIR HX1500i Fully Modular Ultra-Low Noise ATXRedragon RGPS-850W 80+ Gold

Price Comparison

The CORSAIR HX1500i is priced at $349.99, making it significantly more expensive than the Redragon RGPS-850W, which retails for $124.99. This represents a price difference of about 64%, with the Redragon being the more budget-friendly option. The substantial cost gap prompts potential buyers to consider what features justify the higher price of the CORSAIR.

Power Output and Efficiency

In terms of power output, the CORSAIR HX1500i offers a robust 1500 watts, while the Redragon RGPS-850W provides 850 watts. The CORSAIR’s higher output makes it ideal for high-performance systems that may require more power, especially when using multiple graphics cards or high-end processors. Furthermore, the CORSAIR boasts an 80 PLUS Platinum efficiency rating, which indicates superior energy efficiency compared to the Redragon’s 80 PLUS Gold certification. This efficiency translates to lower energy consumption and potentially lower electricity bills over time.

Modular Design

Both power supplies feature a fully modular design, allowing users to connect only the cables they need for their builds, which helps maintain a clean and organized setup. The CORSAIR HX1500i’s modularity is enhanced by its use of high-quality components, including Japanese 105°C-rated electrolytic capacitors, which provide long life and reliability. The Redragon RGPS-850W also incorporates flat fully modular cables, which reduce clutter and improve airflow, but it does not specify the same high-grade components as the CORSAIR. This difference may appeal to users prioritizing durability and longevity in their builds.

Cooling Solutions

The cooling solutions in both products are designed to provide effective heat management. The CORSAIR HX1500i features a 140mm fluid dynamic bearing fan, known for its quiet operation and longevity. Additionally, it includes a Zero RPM fan mode, which allows the fan to switch off entirely at low and medium loads, ensuring silent operation. The Redragon RGPS-850W also features a Zero RPM mode, but its fan only activates at temperatures above 60°C. While both brands focus on maintaining a quiet environment, the CORSAIR’s larger fan may offer better cooling performance in demanding situations.

Compatibility and Future-Proofing

When it comes to compatibility, both power supplies support the latest ATX 3.1 and PCIe 5.1 standards. This compatibility ensures that they can handle the latest hardware, including high-performance graphics cards. The CORSAIR HX1500i is particularly geared towards demanding setups, with support for PCIe Gen 5 platforms and resistance to transient power spikes. The Redragon RGPS-850W, while also capable, may not provide the same level of power excursion as the CORSAIR, which is designed for extreme gaming setups and professional use.

Aesthetics and Additional Features

The aesthetics of both power supplies may appeal to different user preferences. The CORSAIR HX1500i presents a sleek black finish that fits well in most builds. Additionally, its integration with CORSAIR’s iCUE software allows for customization of fan curves and power settings, which could be a significant advantage for users who enjoy tweaking their settings. On the other hand, the Redragon RGPS-850W features RGB lighting with up to nine modes and 26 color options, making it a visually striking choice for those who want to match their power supply with their case’s lighting. This aesthetic differentiation caters to diverse customer preferences.

Warranty and Reliability

Warranty and reliability are crucial factors when investing in a power supply. The CORSAIR HX1500i comes with a ten-year warranty, which reflects the brand's confidence in its product's durability and performance. In contrast, the warranty details for the Redragon RGPS-850W are not specified, which may raise concerns for potential buyers regarding long-term reliability. The extensive warranty of the CORSAIR may provide peace of mind, especially for users planning to invest in high-end components.

Which should you buy?

Choosing between the CORSAIR HX1500i and the Redragon RGPS-850W ultimately depends on your specific needs and budget. If you require a high-output power supply with superior efficiency, extensive warranty coverage, and robust cooling features, the CORSAIR HX1500i is worth the investment. However, if you are looking for a more affordable option that still supports modern components and offers aesthetic features like RGB lighting, the Redragon RGPS-850W is a solid choice. Consider your system requirements, budget constraints, and personal preferences before making a decision.