be quiet! Pure Power 13 M 850W Power Supply vs Mean Well LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power
Updated August 2026 — The be quiet! Pure Power 13 M 850W Power Supply is the superior choice for high-performance needs, while the Mean Well LRS-350-24 is more budget-friendly for simpler applications.
The be quiet! Pure Power 13 M 850W Power Supply is the superior choice for high-performance needs, while the Mean Well LRS-350-24 is more budget-friendly for simpler applications.
Why be quiet! Pure Power 13 M 850W Power Supply is better
Power Output
850W vs 350.4W
Efficiency
80 PLUS Gold certified
Cooling Features
Semi-passive zero-RPM cooling
Why Mean Well LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power is better
Price
C$47.00 vs C$173.21
Simplicity
Basic design for less demanding tasks
Compactness
Smaller power output for basic systems
Overall score
Specifications
| Spec | be quiet! Pure Power 13 M 850W Power Supply | Mean Well LRS-350-24 350.4W 24V 14.6 Amp Single Output Switchable Power |
|---|---|---|
| Brand | be quiet! | MEAN WELL |
| Model | Pure Power 13 M | LRS-350-24 |
| Certification | 80 PLUS Gold | None |
| Cooling | Zero-RPM | None |
| Connector Type | ATX 3.1 | Single Output |
Dimension comparison
Overview
When comparing the be quiet! Pure Power 13 M 850W Power Supply with the Mean Well LRS-350-24 350.4W 24V Power Supply, significant differences in power capacity and efficiency emerge. The be quiet! model offers a robust 850W output, ideal for high-performance gaming systems, while the Mean Well unit provides a lower 350.4W output, making it suitable for less demanding applications.
Power Output
The be quiet! Pure Power 13 M features an impressive continuous power output of 850W, which is significantly higher than the Mean Well LRS-350-24's 350.4W. This difference means that the be quiet! model can support more powerful components, including the latest graphics cards, ensuring stable performance during intensive tasks. The larger wattage helps in accommodating future upgrades, while the Mean Well power supply, with its maximum output of 350W, is better suited for basic systems or specific equipment that requires lower power.
Efficiency Ratings
Efficiency is a crucial aspect of power supplies, and here the be quiet! Pure Power 13 M shines with its 80 PLUS Gold certification, boasting an efficiency rating of up to 94.4%. This high efficiency translates to lower power consumption and reduced electricity costs over time. In contrast, the Mean Well LRS-350-24 does not highlight any efficiency certification, which may imply less optimal performance in terms of energy savings compared to the be quiet! model.
Cooling Features
Cooling capabilities also differentiate these two power supplies. The be quiet! Pure Power 13 M incorporates a semi-passive zero-RPM cooling feature, allowing the fan to turn off completely under low load conditions. This not only enhances the quiet operation of the system but also prolongs the lifespan of the components. Meanwhile, the Mean Well LRS-350-24 does not specify any advanced cooling features, which may result in less efficient thermal management during operation.
Build Quality and Design
In terms of build quality, the be quiet! Power Supply is designed to meet ATX 3.1 specifications, ensuring compatibility with modern systems and future-proofing for upcoming technology. It includes a native 12V-2x6 connector for next-generation PCIe 5.1 graphics cards. The Mean Well LRS-350-24, while a reliable option, is more straightforward in design, focusing on a single output and basic functionality without the advanced features of the be quiet! model.
Noise Level
Noise output is another area where the be quiet! Pure Power 13 M excels. Thanks to its zero-RPM cooling technology, it operates silently under low loads, making it an ideal choice for users who prioritize a quiet computing environment, such as gamers or professionals working in audio or video production. The Mean Well LRS-350-24 does not provide specific information regarding noise levels, potentially indicating a louder operation, especially under heavy load.
Price Comparison
The price difference between these two power supplies is significant. The be quiet! Pure Power 13 M is priced at C$173.21, reflecting its higher power output and advanced features. In contrast, the Mean Well LRS-350-24 is much more budget-friendly at C$47.00. This lower price point makes the Mean Well power supply an attractive option for users who do not need high wattage or advanced features, but those seeking performance and reliability will find the investment in the be quiet! model worthwhile.
Use Cases
The intended use cases for these two models differ dramatically. The be quiet! Pure Power 13 M is ideal for high-performance gaming setups, workstations used for graphics-intensive tasks, or users planning to upgrade their systems regularly. Its high wattage and efficiency make it versatile for demanding applications. Conversely, the Mean Well LRS-350-24 is better suited for simpler applications, such as powering smaller devices, embedded systems, or non-intensive computing tasks.
Which should you buy?
In conclusion, the choice between the be quiet! Pure Power 13 M 850W Power Supply and the Mean Well LRS-350-24 350.4W Power Supply ultimately depends on your specific needs. If you require a robust power supply capable of handling high-performance components with efficiency and low noise, the be quiet! model is the clear winner at C$173.21. However, if you are looking for a cost-effective solution for less demanding applications, the Mean Well unit at C$47.00 may be the right choice for you.
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