be quiet! Pure Power 12 M 850W Modular Power Supply

be quiet! Pure Power 12 M 850W Modular Power Supply — image 1
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88%
94%
Quiet Operation
88%
Ease of Installation
89%
Build Quality
92%
Power Delivery Stability
90%
Energy Efficiency
85%
Modular Cable Management
91%
Warranty & Reliability
74%
Weight
93%
Compatibility with Next-Gen GPUs
87%
Price/Value for Money
89%
Fan Noise Under Load
85%
Customer Support
More

Overview

The be quiet! Pure Power 12 M 850W Modular Power Supply is a well-balanced PSU designed for high-performance systems. It offers 850W of power with 80 Plus Gold efficiency, ensuring minimal energy waste. The power supply is compatible with modern setups, including ATX 3.1 and PCIe 5.0 standards, making it a future-proof choice for gamers and professionals alike. The fully modular design simplifies cable management, reducing clutter and optimizing airflow. Additionally, the 120mm temperature-controlled fan ensures the unit operates quietly, even under heavy loads.

Features & Benefits

This power supply stands out with its 80 Plus Gold certification, delivering energy efficiency of up to 93%, which not only saves on electricity but also reduces heat output. The dual 12V rails provide stable power delivery, ensuring that high-demand components receive consistent voltage even during power spikes. Fully modular cables allow for customized installations, making cable management simple and helping to maintain a clean build. The temperature-controlled fan works quietly, providing silent operation when the PSU is under load, making it a solid option for noise-conscious users.

Best For

This power supply is ideal for gamers building high-performance PCs, especially those using next-gen GPUs that require stable and efficient power. Its quiet operation and reliable performance make it perfect for users who value low-noise setups without compromising power delivery. DIY builders will appreciate the modular cables that make installation a breeze, while those looking for long-term reliability will benefit from the unit's 10-year warranty, ensuring peace of mind for years to come.

User Feedback

Users generally appreciate the quiet performance of this PSU, especially when running demanding applications or gaming at full capacity. The ease of installation with its fully modular cable design has been noted as a major convenience. However, some users have commented on the PSU’s weight, which is slightly heavier than other models, but they agree that the build quality justifies it. The stability of power delivery during intense gaming sessions and demanding workloads has received positive feedback, with many users noting that it handles even high-end setups without issue.

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Pros

  • This power supply operates quietly, even under heavy load, making it ideal for users building silent PCs.
  • The fully modular cables simplify installation and help maintain a clean and organized build.
  • Its 80 Plus Gold efficiency ensures high energy savings, making it an economical choice in the long run.
  • Dual 12V rails provide stable power delivery, essential for handling power spikes in high-performance systems.
  • The 10-year warranty offers excellent reliability and peace of mind for long-term use.
  • Compatibility with ATX 3.1 and PCIe 5.0 makes it future-proof for modern gaming and workstation setups.

Cons

  • The power supply is on the heavier side, which may be an issue for users with compact or portable setups.
  • Some users report that the price is a bit high compared to other options with similar wattage.
  • While the cables are modular, managing the excess cables can still be a bit tricky for beginners.
  • Its size may not fit into very small or cramped PC cases, limiting flexibility for certain builds.
  • The relatively high weight could be a drawback for those needing to frequently move or upgrade their system.
  • A few users mentioned that installation could be intimidating for first-time builders due to the many cables.

Ratings

The be quiet! Pure Power 12 M 850W Modular Power Supply has received positive feedback from users worldwide, across multiple platforms and languages. RR-AI analyzed verified reviews, filtering out spam, bots, and exaggerated comments to ensure the most authentic and relevant insights. The scores reflect both the strong points of this PSU, such as its quiet performance and modular design, as well as some minor pain points like its weight. The diverse reviews showcase feedback from gamers, DIY builders, and those seeking a reliable, quiet power supply for high-performance systems.

Quiet Operation
94%
Users are highly satisfied with the quiet operation of this power supply. Even under heavy loads, it remains impressively silent, which is particularly valued by those building systems for quiet work or gaming environments. The temperature-controlled fan ensures that noise levels are kept at a minimum, even when the system demands more power.
Some users noted that while the power supply is generally quiet, under extremely high loads, the fan can become slightly audible. For users who prioritize absolute silence, this could be a minor downside, especially in ultra-quiet setups.
Ease of Installation
88%
The fully modular cables are a significant highlight for many buyers, simplifying the installation process. Users appreciate how easy it is to customize the setup, reducing cable clutter and improving airflow. The clear labeling of connectors also helps ensure a smooth installation without confusion.
A few users mentioned that while the modular design is convenient, it can take some extra time to route cables properly in more compact builds. For those with tight spaces, the added time for cable management may be an inconvenience.
Build Quality
89%
Buyers are consistently impressed by the solid build quality of this PSU. Its robust construction and premium feel give users confidence that it will last for years. The 10-year warranty further strengthens the trust in its durability, making it an excellent long-term investment for most builders.
While the overall build quality is praised, some users have noted that the unit's weight is on the heavier side, which can make it slightly cumbersome to handle during installation. This might not be ideal for those seeking a lighter and more portable PSU.
Power Delivery Stability
92%
Users have been particularly impressed with the stable power delivery, even during demanding tasks like gaming or rendering. The dual 12V rails effectively manage power spikes, ensuring that high-performance systems run smoothly without interruptions or instability.
While most users find the power delivery stable, a small percentage reported that systems with extreme overclocking setups may occasionally see minor voltage fluctuations. However, these instances seem to be rare and do not impact most users' experiences.
Energy Efficiency
90%
The 80 Plus Gold certification ensures that this power supply operates with impressive energy efficiency. Many users appreciate the reduced energy consumption and the positive environmental impact, as it helps keep electricity bills low while still providing stable power to demanding systems.
A few users mentioned that while the efficiency is excellent, the cost of the power supply might be a little higher compared to non-certified models. For budget-conscious buyers, this could be a potential drawback.
Modular Cable Management
85%
Many users find the modular cable management to be one of the standout features, allowing for a more organized and tidy build. The ability to only use the cables you need helps improve airflow and reduces unnecessary clutter inside the case.
However, some users felt that the process of routing modular cables could take more time compared to non-modular units. While the flexibility is appreciated, it might be a bit of a learning curve for newcomers to PC building.
Warranty & Reliability
91%
The 10-year warranty offered with this PSU is a major selling point. Many users feel reassured by the long-term commitment to reliability and feel confident in their investment. This warranty, combined with its strong performance, makes it a dependable choice for users looking for peace of mind.
Some users have pointed out that while the warranty is excellent, they would prefer even longer coverage or additional services like on-site support. However, this is a minor concern given the long standard warranty period.
Weight
74%
26%
Although the PSU is on the heavier side, some users view this as a sign of its high-quality components and overall durability. The weight is often associated with a more substantial and reliable power supply, which appeals to users seeking top-tier build quality.
The weight is a downside for users who need to handle the PSU frequently during installation or upgrades. For smaller PC cases or portable setups, the extra weight can be inconvenient, especially if the power supply needs to be moved around.
Compatibility with Next-Gen GPUs
93%
Users are thrilled with the compatibility of this power supply with next-gen GPUs. It works seamlessly with PCIe 5.0 and ATX 3.1, making it an excellent choice for gamers and creators looking to power the latest graphics cards without issues. Its ability to handle the power demands of these advanced components is a significant benefit.
Some users with older systems or those not using high-end GPUs reported that the PSU's features, like the PCIe 5.0 support, may be overkill. For budget or mid-range setups, the cost might not justify the advanced capabilities.
Price/Value for Money
87%
Many users feel that the price is justified given the overall value for money. The combination of efficiency, performance, and a long warranty makes it an excellent investment for those building a high-performance system. The quiet operation and modular design further add to its appeal.
However, some users noted that the initial price could be considered steep for those who don’t need all the advanced features. For basic systems or users on a tighter budget, there are more affordable options available.
Fan Noise Under Load
89%
While the fan is generally quiet, users have praised its ability to stay relatively silent even when the PSU is under significant load. The temperature-controlled fan ensures that noise levels remain low while still providing the cooling necessary for high-demand systems.
A few users mentioned that while the fan is mostly quiet, it can become slightly louder during extended periods of intense gaming or rendering. This minor noise increase may be noticeable in ultra-quiet environments but is generally not a major issue.
Customer Support
85%
Many users appreciate the prompt and helpful support they receive from the manufacturer. The team is often quick to resolve issues, and users feel confident that they can reach out for assistance if needed.
Some users, however, mentioned that while the support is helpful, response times can vary. In certain regions, it can take longer to get a resolution, which can be frustrating for users experiencing issues with their PSU.

Suitable for:

The be quiet! Pure Power 12 M 850W Modular Power Supply is ideal for gamers and content creators who demand reliable, high-performance power delivery for next-gen GPUs. It excels in quiet operation, making it a great choice for users building silent systems for gaming, video editing, or rendering. DIY PC builders will also benefit from its fully modular cables, which allow for easy customization and tidy cable management, optimizing airflow and reducing clutter. With its 80 Plus Gold efficiency and dual 12V rails, this power supply is well-suited for power-hungry setups. Additionally, the 10-year warranty adds reassurance for those looking for a long-term, dependable investment in their builds.

Not suitable for:

However, the be quiet! Pure Power 12 M 850W Modular Power Supply may not be the best fit for budget-conscious users or those building entry-level systems. Its higher price point might be a barrier for those who don’t require the advanced features such as PCIe 5.0 compatibility or ultra-quiet operation. Additionally, the weight and size of the unit might be a concern for users with compact cases or those who need a lighter PSU for frequent installation or upgrades. While it’s an excellent choice for high-performance builds, users with modest power requirements or less demanding setups might find it overkill and better served by more affordable options.

Specifications

  • Wattage: 850W power output, suitable for high-performance PCs with demanding components.
  • Certification: 80 Plus Gold certification, ensuring high energy efficiency of up to 93%.
  • Form Factor: ATX form factor, compatible with most standard PC cases.
  • Compatibility: Supports ATX 3.1 and PCIe 5.0, ensuring compatibility with modern gaming and workstation components.
  • Cabling: Fully modular cables, allowing for a clean build and easy cable management.
  • Fan: 120mm temperature-controlled fan for quiet operation, even under heavy load.
  • Rails: Dual 12V rails for stable power delivery and handling high power spikes.
  • Efficiency: Energy efficiency up to 93%, reducing wasted energy and lowering operating costs.
  • Max Power Delivery: Max power delivery of 2000W peak, suitable for high-performance setups.
  • Warranty: 10-year warranty, ensuring long-term reliability and peace of mind.
  • Dimensions: Dimensions of 5.91 x 3.39 x 6.3 inches, fitting standard ATX cases.
  • Weight: Weighs 6.96 lbs, which is slightly heavier than some other models in its class.
  • Operating Temperature: Designed to operate efficiently at temperatures ranging from 0°C to 50°C.
  • Protection Features: Includes overvoltage, overcurrent, short circuit, and overheat protection for added safety.
  • Connector Types: Comes with multiple PCIe, SATA, and 4+4 CPU power connectors for flexible use.
  • MTBF: Mean time between failures (MTBF) of 100,000 hours, ensuring durable performance.
  • Color: Standard black finish, matching most PC builds.

FAQ

This power supply offers 80 Plus Gold efficiency, ensuring energy savings up to 93%. It also features fully modular cables for easy management and a quiet operation thanks to its temperature-controlled 120mm fan. These features make it ideal for users looking for reliable, efficient, and quiet power delivery.

Yes, this power supply is fully compatible with modern components, including ATX 3.1 and PCIe 5.0, ensuring it works with next-gen GPUs and high-performance gaming or workstation builds.

The 120mm fan in this power supply is temperature-controlled, designed to run quietly even under heavy load. Users report minimal noise, making it a great choice for those building silent PCs or working in quiet environments.

The fully modular design means you only need to use the cables necessary for your components, helping reduce clutter and improve airflow. Simply connect the cables to the power supply based on your setup, and store unused cables for a cleaner build.

The be quiet! Pure Power 12 M 850W comes with a 10-year warranty, reflecting its high reliability. This long warranty period ensures that it is built to last and offers peace of mind for long-term use.

The power supply measures 5.91 x 3.39 x 6.3 inches, which is a standard size for ATX power supplies. It should fit in most mid- to full-size PC cases, but it’s always a good idea to check your case's dimensions before purchasing.

Yes, this 850W PSU is well-suited for high-performance gaming PCs, including those with next-gen GPUs. The dual 12V rails ensure stable power delivery, even during demanding tasks like gaming or video rendering.

This power supply is designed with a temperature-controlled fan that adjusts based on internal heat levels. The optimized airflow design helps keep temperatures in check, ensuring stable performance even under heavy loads.

While the installation process is relatively straightforward, the number of modular cables can be a bit overwhelming for first-time builders. However, users appreciate the flexibility the modular design offers once they’re familiar with it.

Some users have mentioned that the power supply is a bit heavier compared to other models, which may be a concern for those with smaller cases or for users who frequently upgrade their PCs. However, the build quality is generally praised as solid and durable.