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Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe vs GameMax 800W Rampage Power Supply

Updated August 2026The Corsair HX1000i is the superior choice for high-performance builds, while the GameMax Rampage is a budget-friendly option for basic needs.

The Corsair HX1000i is the superior choice for high-performance builds, while the GameMax Rampage is a budget-friendly option for basic needs.

Why Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe is better

Power Output

Corsair offers 1000W compared to GameMax's 800W.

Modularity

Corsair features fully modular cabling.

Noise Levels

Corsair has ultra-low noise operation with Zero RPM mode.

Why GameMax 800W Rampage Power Supply is better

Price

GameMax is significantly cheaper at £45.94.

Basic Use

GameMax is suitable for basic systems and casual gaming.

Aesthetics

GameMax uses flat black cables for improved appearance.

Overall score

Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe
90
GameMax 800W Rampage Power Supply
60

Specifications

SpecCorsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe GameMax 800W Rampage Power Supply
BrandCorsairGameMax
Current Price£169.99£45.94
Fan Size140mm14cm
CertificationATX 3.180 Plus Bronze
CablingFully ModularNon-Modular

Dimension comparison

Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe GameMax 800W Rampage Power Supply

Overview of Power Supplies

When selecting a power supply unit (PSU), two distinct options emerge: the Corsair HX1000i and the GameMax 800W Rampage. The Corsair HX1000i is priced at £169.99, while the GameMax Rampage offers a more budget-friendly option at £45.94. Understanding the specifications and features of both can help determine which suits your needs better, whether for high-end gaming or basic system power.

Power Output and Efficiency

The Corsair HX1000i boasts an impressive 1000W output, making it suitable for high-performance systems requiring substantial power. It is certified under the Intel ATX 3.1 standard, which supports the latest PCIe Gen 5.1 components and helps to mitigate transient power spikes. In contrast, the GameMax Rampage delivers 800W and is 80 Plus Bronze certified, achieving an efficiency of up to 88% at 50% load. While the Rampage is efficient for average gaming needs, the higher wattage of the HX1000i positions it as the better choice for demanding builds.

Modular Design

Modularity in power supplies can greatly enhance cable management and airflow. The Corsair HX1000i features fully modular cabling, allowing users to connect only the cables required for their specific setup, thus simplifying the building process. On the other hand, the GameMax Rampage employs a non-modular design, which may lead to more clutter within the case. This difference is significant for builders who prioritise aesthetics and airflow in their systems.

Noise Levels

When assessing noise levels, the Corsair HX1000i excels with its ultra-low noise operation. It features a 140mm Fluid Dynamic Bearing fan and a Zero RPM Fan Mode, ensuring that the fan remains off at low to medium loads, resulting in near-silent performance. In comparison, the GameMax Rampage includes a 14cm cooling fan designed for quiet operation, but it does not offer the same level of quietness as the HX1000i, especially under heavier loads. For users who value a silent working environment, the HX1000i is the clear winner.

Build Quality and Reliability

Build quality often influences a PSU's longevity and reliability. The Corsair HX1000i is designed with high standards, adhering to the latest power standards and featuring robust components. Its inclusion of advanced software through CORSAIR iCUE allows for custom fan curves and monitoring, enhancing its reliability under various loads. The GameMax Rampage, while constructed with quality components, utilises a Japanese TK main capacitor, which ensures a reliable life expectancy. However, it does not match the premium build quality offered by Corsair.

Aesthetics and Cable Management

Aesthetics play a crucial role in many PC builds. The Corsair HX1000i, with its fully modular design, allows for a cleaner setup, which is further complemented by the sleek design typical of Corsair products. The GameMax Rampage uses flat black cables to improve appearance and cable management, making it easier for builders to organise their setup. While both products aim for a visually pleasing build, the HX1000i offers superior modularity, presenting a neater and more professional look.

Software Integration

The Corsair HX1000i stands out with its integration with CORSAIR iCUE software. This software enables users to create custom fan curves, monitor power settings, and toggle between different modes of overcurrent protection. Such features are particularly beneficial for gamers and enthusiasts who desire control over their system's performance. The GameMax Rampage lacks any software integration, which may limit the user’s ability to monitor or adjust performance in real-time. This difference can be pivotal for those who seek advanced functionality in their power supply.

Price Consideration

Price is a crucial factor when choosing a PSU, and the GameMax Rampage is significantly more affordable at £45.94 compared to the £169.99 price tag of the Corsair HX1000i. For users on a tight budget or those with basic computing needs, the GameMax Rampage provides an economical choice. However, given the substantial difference in performance and features, those who require a powerful and reliable PSU for high-demand tasks may find the investment in the Corsair HX1000i to be worthwhile.

Which should you buy?

In conclusion, the decision between the Corsair HX1000i and the GameMax 800W Rampage largely hinges on your specific needs and budget. The Corsair HX1000i is the superior choice for high-performance builds, offering extensive power output, modular design, low noise levels, and advanced software integration. However, for users looking for a basic PSU at a much lower price, the GameMax Rampage is a viable option that provides decent performance for everyday computing and gaming. Ultimately, if you can accommodate the higher cost, the Corsair HX1000i will deliver a more reliable and feature-rich experience.

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Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.1 & PCIe vs GameMax 800W Rampage Power Supply | versusfinder