vsversusfinder

Corsair HX1000i Fully Modular Ultra-Low Noise ATX vs CORSAIR RM750x Shift Fully Modular ATX Power

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

The Corsair HX1000i offers superior efficiency and features, making it the better choice for high-performance builds, while the RM750x Shift is a solid budget option.

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

Efficiency

HX1000i has 80 PLUS Platinum rating.

Software

HX1000i supports CORSAIR iCUE software.

Cooling

HX1000i has superior acoustic performance.

Why CORSAIR RM750x Shift Fully Modular ATX Power is better

Price

RM750x Shift is significantly cheaper.

Accessibility

RM750x Shift features side-access connections.

Compactness

RM750x Shift uses micro-fit connectors.

Overall score

Corsair HX1000i Fully Modular Ultra-Low Noise ATX
88
CORSAIR RM750x Shift Fully Modular ATX Power
75

Specifications

SpecCorsair HX1000i Fully Modular Ultra-Low Noise ATXCORSAIR RM750x Shift Fully Modular ATX Power
Power Rating1000W750W
Efficiency Rating80 PLUS Platinum80 PLUS Gold
Fan Size140mm140mm
ModularFully ModularFully Modular
Software SupportYesNo

Dimension comparison

Corsair HX1000i Fully Modular Ultra-Low Noise ATXCORSAIR RM750x Shift Fully Modular ATX Power

Overview of the Corsair HX1000i and Corsair RM750x Shift

The Corsair HX1000i is priced at $234.99, while the Corsair RM750x Shift comes in at a significantly lower price of $79.99, making it about 66% cheaper than the HX1000i. Both power supplies are manufactured by Corsair and cater to users looking for high-quality power solutions, but they target different segments of the market. The HX1000i offers premium features and higher power efficiency, while the RM750x Shift focuses on accessibility and ease of use.

Power Efficiency

The Corsair HX1000i boasts an impressive 80 PLUS Platinum efficiency rating, which means it delivers power with minimal energy loss. In contrast, the Corsair RM750x Shift has an 80 PLUS Gold rating, making it slightly less efficient than the HX1000i. The difference in efficiency may not seem significant, but for users who prioritize energy savings, the HX1000i will provide a more cost-effective solution in the long run, especially for high-performance builds.

Modular Cabling

Both the Corsair HX1000i and RM750x Shift feature fully modular design, allowing users to connect only the cables they need for a cleaner build. However, the RM750x Shift introduces an innovative side-access connection position, making it easier to manage cables and achieve a tidy setup. This design may appeal more to users who frequently upgrade their systems or require a simplified installation process, while the HX1000i maintains a traditional approach to modular cabling.

Cooling Performance

Cooling is a critical aspect of any power supply, and both models excel in this area. The HX1000i is equipped with a 140mm Fluid Dynamic Bearing fan that operates quietly, especially under low and medium loads due to its Zero RPM mode. Similarly, the RM750x Shift also features a 140mm Fluid Dynamic Bearing fan with a specially calculated fan curve designed for low noise and reliability. While both fans are effective, the HX1000i may have a slight edge in terms of acoustic performance under varying loads.

Software and Monitoring

The Corsair HX1000i offers powerful CORSAIR iCUE software compatibility, allowing users to create custom fan curves, monitor power settings, and adjust overcurrent protection (OCP) settings on-the-fly. This level of customization is particularly beneficial for enthusiasts who want precise control over their system's performance. On the other hand, the RM750x Shift does not mention software compatibility, which may limit its monitoring capabilities. For users who value software integration, the HX1000i is the clear winner.

Build Quality and Reliability

Both power supplies are built with high-quality components, including 100% 105°C-rated Japanese electrolytic capacitors, which enhance their longevity and reliability. The HX1000i, however, is backed by a ten-year warranty, while the RM750x Shift also carries a ten-year warranty, indicating a commitment to quality from Corsair. Users can expect both products to deliver dependable performance, but the HX1000i’s premium positioning may suggest slightly superior build quality.

Target Audience

The Corsair HX1000i is designed for high-performance systems that demand top-tier efficiency and extensive features, making it ideal for gamers and professionals who run demanding applications. In contrast, the Corsair RM750x Shift targets mainstream users and those building budget-friendly systems. Its lower price point and user-friendly features make it appealing for casual gamers and anyone looking for a reliable power supply without breaking the bank.

Which should you buy?

Ultimately, the choice between the Corsair HX1000i and Corsair RM750x Shift comes down to your specific needs and budget. If you require a high-efficiency power supply with advanced features and don’t mind the higher price of $234.99, the HX1000i is an excellent choice. However, if you’re looking for a more budget-friendly option that still offers modularity and solid performance at $79.99, the RM750x Shift is a worthy contender. Each power supply has its strengths, catering to different segments of users, making the decision largely dependent on individual requirements and preferences.