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CORSAIR HX1500i vs Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1

Updated August 2026The CORSAIR HX1500i is a high-capacity, feature-rich power supply, while the Redragon RGPS-850W offers great value for budget-conscious users.

The CORSAIR HX1500i is a high-capacity, feature-rich power supply, while the Redragon RGPS-850W offers great value for budget-conscious users.

Why CORSAIR HX1500i is better

Power Output

1500 watts vs 850 watts

Modularity

Fully modular cabling for cleaner builds

Software Control

Advanced iCUE software for customization

Why Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1 is better

Price

C$154.99 vs C$439.99

RGB Features

9 RGB modes for aesthetic appeal

Compact Size

160mm for better chassis compatibility

Overall score

CORSAIR HX1500i
85
Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1
65

Specifications

SpecCORSAIR HX1500iRedragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1
Certification80 Plus Gold80 Plus Gold
CablingFully ModularNon-Modular
Fan ModeZero RPMZero RPM
SoftwareiCUENone
CapacitorsStandardJapanese

Dimension comparison

CORSAIR HX1500iRedragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1

Pricing Comparison

When it comes to pricing, the CORSAIR HX1500i is significantly more expensive at C$439.99 compared to the Redragon RGPS-850W, which retails for C$154.99. This represents a difference of C$285.00. The stark contrast in price is indicative of the different target markets and features of these two power supplies. The Redragon model offers an affordable option for users seeking a reliable power supply without breaking the bank, while the CORSAIR model is designed for high-end builds with demanding power requirements.

Power Output and Efficiency

In terms of power output, the CORSAIR HX1500i boasts an impressive capacity of 1500 watts, making it suitable for high-performance systems that may include multiple GPUs or demanding components. In contrast, the Redragon RGPS-850W provides 850 watts of power, which is adequate for most mid-range gaming setups. Both power supplies are certified with 80 Plus Gold, ensuring high energy efficiency. This means they operate effectively, minimising wasted energy and heat generation, but the CORSAIR model supports significantly higher total power excursions, making it ideal for extreme gaming or workstation builds.

Build Quality and Components

The build quality of both power supplies is noteworthy, but they differ in their components. The CORSAIR HX1500i features fully modular cabling, allowing users to connect only the cables necessary for their build, which promotes cleaner aesthetics and better airflow. Meanwhile, the Redragon RGPS-850W is built with 100% Japanese capacitors, known for their reliability and durability, which is crucial for maintaining stable power delivery. Both units are designed to endure high loads, but the CORSAIR's focus on modular design gives it an edge in customisation for advanced users.

Cooling Solutions

Cooling solutions differ significantly between the two products. The CORSAIR HX1500i has a 140mm Fluid Dynamic Bearing fan that operates quietly, ensuring minimal noise during operation. It also features a Zero RPM Fan Mode, meaning the fan will switch off entirely under low to medium loads for near-silent operation. On the other hand, the Redragon RGPS-850W also includes a Zero RPM Mode fan, but it activates only when the temperature exceeds 60℃. While both power supplies seek to provide quiet operation, the CORSAIR’s fan is designed to remain silent under a broader range of conditions.

Software Integration

The CORSAIR HX1500i stands out with its advanced software integration. The powerful CORSAIR iCUE software allows users to create custom fan curves, monitor power settings, and switch between single to multi-rail overcurrent protection on-the-fly. This feature is a significant advantage for tech-savvy users who want real-time control over their system's performance. In contrast, the Redragon RGPS-850W does not offer similar software support, which could limit user customisation and monitoring options. This difference may sway users who value software control in their builds.

Compatibility and Features

In terms of compatibility, both power supplies are ATX 3.1 certified, ensuring they can support the latest hardware standards. However, the Redragon RGPS-850W goes a step further by being PCIe 5.1 ready, which is essential for future-proofing your setup, especially if you plan to use the latest high-performance graphics cards such as the Nvidia RTX 40 series. The CORSAIR HX1500i supports PCIe Gen 5 as well but may not be as compact in design. The Redragon's 160mm compact size enhances chassis compatibility, making it easier to integrate into various builds with tight space constraints.

Aesthetic Appeal

Aesthetic features are also an important consideration for many builders. The Redragon RGPS-850W offers up to 9 RGB modes with 26 selectable colours, allowing users to match their power supply's lighting with their overall case illumination for a cohesive look. This feature appeals to gamers and PC builders who value visual flair. In contrast, the CORSAIR HX1500i does not highlight any RGB features, focusing instead on a more utilitarian design. This may appeal more to users who prefer a sleek, professional appearance without flashy elements.

Which should you buy?

Choosing between the CORSAIR HX1500i and the Redragon RGPS-850W ultimately depends on your specific needs and budget. If you are looking for a high-capacity, feature-rich power supply with modularity and advanced software control, the CORSAIR HX1500i is the clear choice, albeit at a higher price point of C$439.99. However, if you are seeking a more budget-friendly option that still delivers reliable performance with modern compatibility features, the Redragon RGPS-850W at C$154.99 is an excellent value. Both options excel in their respective areas, so consider your build requirements and preferences when making your decision.

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CORSAIR HX1500i vs Redragon RGPS-850W 80+ Gold 850 Watt Power Supply w/Upgraded ATX 3.1 & PCIe 5.1 | versusfinder