be quiet! Pure Power 13 M 1000W Power Supply vs GameMax 600W Rampage Power Supply
Updated August 2026 — The be quiet! Pure Power 13 M is a superior choice for high-performance systems, while the GameMax 600W Rampage is a budget-friendly option for basic builds.
The be quiet! Pure Power 13 M is a superior choice for high-performance systems, while the GameMax 600W Rampage is a budget-friendly option for basic builds.
Why be quiet! Pure Power 13 M 1000W Power Supply is better
Efficiency
be quiet! Pure Power 13 M has 80 PLUS Gold certification with up to 94.4% efficiency.
Power Output
be quiet! Pure Power 13 M provides 1000W compared to GameMax's 600W.
Modular Design
be quiet! Pure Power 13 M features a fully modular design for better cable management.
Why GameMax 600W Rampage Power Supply is better
Price
GameMax 600W Rampage is significantly cheaper at £34.95.
Cooling Fan
GameMax Rampage has a 14cm cooling fan for effective cooling.
Basic Use
GameMax Rampage is suitable for budget-conscious users or less demanding builds.
Overall score
Specifications
| Spec | be quiet! Pure Power 13 M 1000W Power Supply | GameMax 600W Rampage Power Supply |
|---|---|---|
| Certification | 80 PLUS Gold | 80 PLUS Bronze |
| Wattage | 1000W | 600W |
| Cooling Fan | Optimized silent fan | 14cm cooling fan |
| Modular | Fully modular | Non-modular |
| Capacitors | Premium components | Japanese TK capacitors |
Dimension comparison
Introduction to the Power Supplies
When it comes to choosing a power supply unit (PSU), the options can be overwhelming. In this comparison, we will look at two distinct models: the be quiet! Pure Power 13 M 1000W Power Supply and the GameMax 600W Rampage Power Supply. The be quiet! model is priced at £99.99, while the GameMax is significantly more affordable at £34.95. Each unit offers unique features aimed at different user needs, making it essential to evaluate their specifications and performance.
Efficiency and Certification
The be quiet! Pure Power 13 M boasts an impressive 80 PLUS Gold certification, achieving efficiency ratings of up to 94.4%. This means that it is designed to waste less energy and, consequently, save users on electricity costs. In contrast, the GameMax 600W Rampage is 80 Plus Bronze certified, with a maximum efficiency of up to 88% at a 50% load. While both units are efficient, the be quiet! model clearly outperforms the GameMax in terms of energy efficiency, making it a better option for users prioritising low power consumption.
Power Output and Rails
When it comes to power output, the be quiet! Pure Power 13 M provides a robust 1000W through a single massive 12V rail, ensuring stability even under heavy loads. This is particularly beneficial for high-performance gaming rigs that may require significant power during intense gaming sessions. On the other hand, the GameMax Rampage delivers 600W, also using a single 12V rail. Although suitable for many systems, it may fall short for users with more demanding setups. The substantial difference in wattage indicates that the be quiet! power supply is better suited for powerful gaming or workstation builds.
Cooling Solutions
Cooling performance is crucial for maintaining a PSU's longevity and efficiency. The be quiet! model features a fan that turns off completely under low load, ensuring silent operation when demand is minimal. This design, combined with optimised airflow from its fan blades, contributes to a quieter computing experience overall. In comparison, the GameMax Rampage uses a 14cm cooling fan that promises both silent and effective cooling. However, it does not offer the same low-load fan-off feature, which may result in slightly more noise during less demanding tasks. Thus, for users seeking absolute quietness, the be quiet! model is a clear winner.
Build Quality and Components
The build quality of a PSU can significantly impact its reliability and lifespan. The be quiet! Pure Power 13 M is built with premium components and employs LLC topology for best-in-class voltage regulation and efficiency. This level of construction aims to support high-performance systems reliably. Conversely, the GameMax Rampage incorporates Japanese TK main capacitors, which are known for their reliability and quality assurance. While the GameMax is built with good components for its price, the premium feel and performance of the be quiet! unit make it more appealing for serious builders.
Modular Design and Cable Management
Effective cable management can enhance airflow and improve the overall aesthetics of a PC build. The be quiet! Pure Power 13 M features a fully modular design, allowing users to connect only the cables they need, reducing clutter and improving airflow. This is particularly advantageous for those who prioritise a clean and tidy build. In contrast, the GameMax Rampage is a non-modular unit, which means that all cables are attached permanently, potentially leading to a messier interior. Thus, if cable management is a priority, the be quiet! model provides a superior solution.
Price Consideration
Price is often a determining factor in purchasing decisions. The be quiet! Pure Power 13 M is priced at £99.99, reflecting its premium features and high efficiency. On the other hand, the GameMax Rampage is a budget-friendly option at £34.95, making it an excellent choice for those building entry-level systems or looking for a cost-effective upgrade. While the GameMax offers significant savings, it's essential to consider whether the features of the be quiet! model justify the higher price for your specific needs.
User Scenarios
Choosing between these two power supplies largely depends on your intended use. The be quiet! Pure Power 13 M is ideal for high-performance gaming or workstation setups that demand reliability, efficiency, and quiet operation. Its 1000W output and modular design make it suitable for users who want to future-proof their systems. Conversely, the GameMax 600W Rampage is better suited for budget-conscious consumers or those with less demanding builds, as it offers decent performance at a fraction of the cost.
Which should you buy?
In conclusion, the choice between the be quiet! Pure Power 13 M and the GameMax 600W Rampage comes down to your specific needs and budget. If you are looking for a high-efficiency, quiet, and powerful PSU that can handle demanding components, the be quiet! model is worth the investment. However, if you are on a budget and require a basic power supply for a less demanding system, the GameMax Rampage presents a compelling option. Ultimately, consider your use case and choose accordingly.
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