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CORSAIR RM850e vs GameMax 600W Rampage Power Supply

Updated August 2026The CORSAIR RM850e is a premium power supply offering superior performance and features, while the GameMax 600W Rampage is a budget-friendly option for basic needs.

The CORSAIR RM850e is a premium power supply offering superior performance and features, while the GameMax 600W Rampage is a budget-friendly option for basic needs.

Why CORSAIR RM850e is better

Build Quality

RM850e features 105°C-rated capacitors for better reliability.

Efficiency

RM850e is Intel ATX 3.1 certified for high performance.

Modularity

RM850e is fully modular for better cable management.

Why GameMax 600W Rampage Power Supply is better

Price

Rampage is significantly cheaper at £34.95.

Cooling Fan Size

Rampage has a larger 14cm fan for airflow.

Target Audience

Rampage is ideal for budget-conscious users.

Overall score

CORSAIR RM850e
85
GameMax 600W Rampage Power Supply
60

Specifications

SpecCORSAIR RM850eGameMax 600W Rampage Power Supply
BrandCorsairGAMEMAX
Power Output850W600W
CertificationATX 3.180 Plus Bronze
Fan Size120mm14cm
WarrantyLongerShorter

Dimension comparison

CORSAIR RM850eGameMax 600W Rampage Power Supply

Price Comparison

In terms of pricing, the CORSAIR RM850e is significantly more expensive than the GameMax 600W Rampage Power Supply. The RM850e is priced at £85.99, while the Rampage costs just £34.95. This represents a difference of £51.04, which is a considerable amount, especially for budget-conscious consumers. The higher price of the RM850e reflects its premium features and certifications, while the Rampage is positioned as an economical option for those who need a reliable power supply without breaking the bank.

Build Quality

The build quality of the CORSAIR RM850e is notably superior, featuring 105°C-rated capacitors for dependable electrical performance. This high-quality construction is indicative of longevity and reliability, which is essential for high-performance computing. In contrast, the GameMax 600W Rampage utilises a Japanese TK main capacitor, which is also designed to offer reliability and quality assurance, yet it does not mention the same high-temperature rating as the RM850e. Therefore, while both products aim for durability, the RM850e's specifications suggest a more robust build quality.

Efficiency Ratings

The CORSAIR RM850e boasts compliance with the Intel ATX 3.1 certification, making it suitable for high-end components and ensuring it can handle transient power excursions effectively. The GameMax 600W Rampage, on the other hand, is 80 Plus Bronze certified, achieving up to 88% efficiency at 50% load. While both power supplies offer good efficiency, the RM850e's advanced certification indicates it may perform better under demanding conditions, particularly in high-performance gaming setups.

Cooling Performance

Cooling is a vital aspect of power supply performance, and the CORSAIR RM850e excels with its 120mm rifle bearing fan, designed for low noise and efficient cooling even under full load. The Rampage features a larger 14cm cooling fan, which also aims to provide silent and effective cooling. However, while the Rampage focuses on a larger fan for improved airflow, the RM850e's specific fan curve optimisation for noise reduction suggests it may offer a quieter operation in a high-stress environment.

Modularity

The CORSAIR RM850e is a fully modular power supply, allowing users to connect only the cables they need for their specific system builds. This feature can significantly improve cable management and airflow within a case. In contrast, the GameMax 600W Rampage is a non-modular power supply, which means all cables are permanently attached. While this may not impact performance, it could complicate cable management and aesthetics for users who prefer a clean build.

Target Audience

The CORSAIR RM850e is aimed at enthusiasts and gamers who require reliability and top-tier performance from their power supply, especially for high-end systems. Its features cater to those who are likely to invest in powerful graphics cards and CPUs. The GameMax 600W Rampage, however, targets budget-conscious users and beginners looking for a cost-effective solution for basic gaming rigs or system upgrades. It offers sufficient power for lower to mid-range setups, making it ideal for first-time builders.

Warranty and Support

The warranty and support provided by manufacturers can significantly influence purchasing decisions. While specific warranty details are not stated in the data provided, Corsair is known for its robust customer support and warranty services, often offering longer warranty periods for its premium products. GameMax, while also reputable, typically provides shorter warranty durations, reflecting the budget nature of its products. Therefore, consumers investing in the RM850e may feel more secure knowing they have extensive support should any issues arise.

Which should you buy?

Choosing between the CORSAIR RM850e and the GameMax 600W Rampage Power Supply ultimately depends on your specific needs and budget. If you’re looking for a high-performance, reliable power supply that can support demanding hardware and provide excellent efficiency, the RM850e is the clear winner at £85.99. However, if you’re on a tighter budget and need a dependable power supply for a basic system or an entry-level gaming rig, the GameMax 600W Rampage, priced at £34.95, offers great value without compromising on essential features.

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CORSAIR RM850e vs GameMax 600W Rampage Power Supply | versusfinder