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Cooler Master V850 SFX Gold vs GameMax 800W Rampage Power Supply

Updated August 2026The Cooler Master V850 SFX Gold outperforms the GameMax 800W Rampage in efficiency, build quality, and features, making it the superior choice for high-performance systems.

The Cooler Master V850 SFX Gold outperforms the GameMax 800W Rampage in efficiency, build quality, and features, making it the superior choice for high-performance systems.

Why Cooler Master V850 SFX Gold is better

Efficiency

80 PLUS Gold certification vs 80 PLUS Bronze

Build Quality

100% Japanese capacitors vs Japanese TK main capacitor

Modularity

Fully modular vs non-modular design

Why GameMax 800W Rampage Power Supply is better

Price

Significantly lower price at £45.94

Cooling Fan Size

14cm fan vs 92mm fan

Target Audience

More suitable for budget-conscious users

Overall score

Cooler Master V850 SFX Gold
85
GameMax 800W Rampage Power Supply
60

Specifications

SpecCooler Master V850 SFX GoldGameMax 800W Rampage Power Supply
Efficiency90%88%
Warranty10 years2 years
ModularityFully ModularNon-Modular
Cooling FanFDB Fan14cm Fan
Power Output850W800W

Dimension comparison

Cooler Master V850 SFX GoldGameMax 800W Rampage Power Supply

Price Comparison

When it comes to pricing, the Cooler Master V850 SFX Gold is significantly more expensive than the GameMax 800W Rampage Power Supply. The V850 SFX Gold retails at £134.56, while the Rampage is priced at just £45.94. This price difference of £88.62 reflects the advanced features and higher efficiency ratings of the Cooler Master power supply. If budget is a primary concern, the GameMax offers a much more economical choice for those looking to power their systems without breaking the bank.

Efficiency Ratings

The Cooler Master V850 SFX Gold boasts an impressive 80 PLUS Gold certification, achieving 90% efficiency under typical loading conditions. This high efficiency level not only saves on energy costs but also reduces heat accumulation, which can prolong the life of your components. In contrast, the GameMax 800W Rampage has an 80 PLUS Bronze certification, achieving up to 88% efficiency at a 50% load. While the Rampage's efficiency is respectable, it falls short compared to the V850 SFX Gold, making the latter a better choice for those prioritising energy savings.

Build Quality

Build quality is paramount when it comes to power supplies, and here the Cooler Master V850 SFX Gold excels with its use of 100% Japanese capacitors. This ensures long-term performance and reliability, backed by a generous 10-year warranty. The GameMax Rampage also incorporates quality components, including a Japanese TK main capacitor, which contributes to its reliability. However, the lack of a lengthy warranty period might be a concern for some users looking for peace of mind over time. Overall, the Cooler Master appears to offer superior build quality and longevity.

Cooling Solutions

The cooling systems of both power supplies are designed to manage heat effectively, but they differ in their implementations. The Cooler Master V850 SFX Gold features a 92mm fluid dynamic bearing fan that operates quietly and includes a semi-fanless mode when under 15% maximum load. This allows for silent operation during low-demand periods. On the other hand, the GameMax 800W Rampage comes with a larger 14cm cooling fan, which is designed for silent operation as well. While the Rampage offers a larger fan, the advanced features of the V850 SFX Gold's fan system provide a more sophisticated cooling solution that could lead to better performance in high-stress scenarios.

Cable Management

Effective cable management can greatly enhance the aesthetics and airflow of a PC build. The Cooler Master V850 SFX Gold is fully modular, allowing users to connect only the cables they need, which can significantly reduce clutter within a case. This feature not only improves the overall look of the build but also optimises internal airflow. The GameMax 800W Rampage, while it does include flat black cables for improved aesthetics and easier management, does not offer modularity. This could lead to excess cables taking up space and potentially obstructing airflow in a tightly packed build.

Compatibility

Compatibility is a crucial factor when selecting a power supply, especially for unique case types. The Cooler Master V850 SFX Gold is specifically designed for small form factor (SFF) mini-ITX cases, measuring just 100 x 125 x 63.5 mm. However, it can also be installed in standard ATX cases using an SFX-to-ATX bracket. This versatility allows it to fit a wide range of builds, from compact to conventional. In contrast, the GameMax 800W Rampage, while suitable for basic systems and gaming rigs, does not specifically cater to smaller cases, making it less flexible in terms of installation options.

Target Audience

The Cooler Master V850 SFX Gold is tailored towards enthusiasts and gamers who demand high performance and efficiency from their systems. Its superior features and higher price point make it an ideal choice for those building high-end PCs or compact gaming rigs. Conversely, the GameMax 800W Rampage is geared towards budget-conscious users or first-time builders who need a reliable power supply without the need for advanced features. Its lower price and adequate performance make it suitable for entry-level systems and basic gaming setups.

Which should you buy?

In conclusion, the choice between the Cooler Master V850 SFX Gold and the GameMax 800W Rampage Power Supply largely depends on your specific needs and budget. If you are looking for high efficiency, superior build quality, and advanced features for a compact PC build, the Cooler Master V850 SFX Gold is undoubtedly the better choice, albeit at a higher price of £134.56. On the other hand, if you are seeking an affordable solution that provides reliable power for a basic or entry-level gaming system, the GameMax 800W Rampage at £45.94 is a commendable option. Ultimately, your decision should reflect your performance needs, budget constraints, and the nature of your build.

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Cooler Master V850 SFX Gold vs GameMax 800W Rampage Power Supply | versusfinder