be quiet! Pure Power 12 M 1200W Modular Power Supply

be quiet! Pure Power 12 M 1200W Modular Power Supply — image 1
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88%
95%
Noise Level Under Load
91%
Power Delivery Stability
87%
Build Quality
93%
Cable Management
94%
Compatibility with High-End GPUs
88%
Ease of Installation
90%
Energy Efficiency
65%
Size and Fit for Small Cases
92%
Customer Support and Warranty
89%
Long-Term Reliability
84%
Price-to-Performance Ratio
92%
Overall User Satisfaction
More

Overview

The be quiet! Pure Power 12 M 1200W Modular Power Supply is a robust solution for high-performance PC builds. Offering 1200W output, it provides ample power for demanding components. This PSU is 80 Plus Gold certified, ensuring up to 93% energy efficiency, which translates into reduced energy costs and heat generation. The modular cables improve both cable management and airflow, making installation straightforward and your system cleaner. With a temperature-controlled fan for silent operation, it's an excellent choice for users looking for both performance and quiet operation.

Features & Benefits

This power supply excels in several key areas. Its 80 Plus Gold certification ensures excellent energy efficiency, helping users save on electricity bills while maintaining system stability. The dual 12V rails deliver stable power to high-end components, and the PCIe 5.0 compatibility guarantees seamless integration with future-generation GPUs. Additionally, the 120mm fan adjusts its speed based on temperature, offering silent operation even during heavy loads. With a 10-year warranty, this PSU promises long-term durability and reliability, making it a great investment for power-hungry builds.

Best For

This PSU is best suited for gamers and PC enthusiasts building high-performance systems. Whether you're using a powerful GPU or an overclocked CPU, it provides the stable power needed for demanding applications. It's also ideal for those seeking a quiet PC, as its noise-reducing fan makes it a top choice for noise-sensitive environments. The fully modular cables also make this unit a great fit for PC builders who prioritize clean, efficient builds with optimal airflow and cable management.

User Feedback

Users appreciate the ultra-quiet performance of this PSU, even under heavy load. The modular cables are frequently highlighted for their ease of installation and organization. Many also mention its reliable power delivery during intense gaming sessions or workstation tasks. However, a few users note that the PSU’s size could be an issue in smaller cases, making installation more difficult. While most reviews are overwhelmingly positive, some users did express concerns about the space requirements in tighter builds.

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Pros

  • This PSU offers ultra-quiet performance even under load, making it ideal for noise-sensitive environments.
  • The fully modular cables provide excellent cable management, resulting in cleaner builds and better airflow.
  • With 80 Plus Gold certification, it delivers up to 93% energy efficiency, helping reduce electricity consumption.
  • Its compatibility with PCIe 5.0 ensures that it will support next-gen GPUs and hardware for years to come.
  • The 10-year warranty offers peace of mind, ensuring long-term reliability and durability.
  • It is perfect for high-performance gaming PCs or workstations that require a stable and reliable power supply.

Cons

  • The PSU's size may be too large for smaller cases, making installation difficult in compact builds.
  • Some users reported that under maximum load, there can be a slight hum or noise, which may be noticeable in ultra-quiet setups.
  • While easy to install, users with limited experience may still find the modular cable management a bit overwhelming.
  • A few users noted that the power supply's fan speed can be more aggressive than expected, especially during high-load tasks.
  • It may not be the best fit for users looking for a more budget-friendly option for their builds.
  • The relatively high price point could be a concern for those who don’t require a 1200W power supply.

Ratings

After analyzing verified user reviews across multiple platforms and languages, we found a strong consensus on the be quiet! Pure Power 12 M 1200W Modular Power Supply. Authentic feedback highlights both the strengths and areas for improvement, with particular praise for its ultra-quiet operation and reliability. Spam, bot, and incentivized reviews were filtered out, ensuring the scores reflect the most meaningful user experiences worldwide.

Noise Level Under Load
95%
Users consistently highlight the ultra-quiet operation, even during demanding tasks. Many buyers appreciate how it maintains a low noise level under full load, making it ideal for noise-sensitive environments or quiet builds. The 120mm fan effectively balances cooling with minimal sound, ensuring a peaceful PC experience.
Some users noted that while the power supply is generally quiet, it can still emit a noticeable hum during intensive gaming or stress testing. A few found that under extreme loads, it became slightly louder than expected, though still quieter than many competitors.
Power Delivery Stability
91%
The stable power delivery is a standout feature for users with high-performance components. Reviewers have reported consistent and reliable output, particularly when using demanding hardware such as high-end GPUs. This level of stability ensures a smooth and uninterrupted experience, even during long gaming sessions or heavy multitasking.
A small number of users mentioned occasional power fluctuations during overclocking or running multiple high-demand applications simultaneously. However, these instances were relatively rare and did not seem to affect all users.
Build Quality
87%
Many buyers appreciate the solid construction and premium feel of this PSU. The build quality is reinforced by its robust materials and sleek design, which contributes to long-lasting durability. Several users mentioned the well-thought-out placement of components that further enhances overall reliability.
A few users found the PSU's size to be larger than expected, which may make it a tight fit in smaller cases. Despite its high-quality build, some mentioned the weight as a potential concern for those with limited space or lighter cases.
Cable Management
93%
The fully modular cable system is a major plus for users who prioritize neat and organized builds. Many buyers praised the ease of installation, with modular cables allowing for better airflow and reducing cable clutter. This makes the setup process smoother and ensures optimal cooling performance.
A few users felt that while the modular cables are convenient, they would have preferred even more flexibility in cable length. Some reported that in smaller cases, cable management could still be a challenge despite the modular design.
Compatibility with High-End GPUs
94%
Buyers are impressed with the seamless compatibility between this PSU and the latest high-end GPUs, including those using PCIe 5.0. Many reviewers noted that it provides the necessary power and stable connections for next-gen graphics cards, making it an excellent choice for gaming and workstation builds.
A small minority of users encountered issues when trying to fit multiple high-power GPUs into smaller cases. While the PSU itself supports high-end components, some users found that space constraints limited their setup options.
Ease of Installation
88%
Several users mentioned that installation was straightforward due to the modular design and clear instructions. The ability to connect only the necessary cables made the process quicker and cleaner, particularly for beginners or those unfamiliar with PSU setups.
A few users found the initial setup to be slightly more complicated than expected, especially with the cable routing in compact cases. While the modular cables are a help, managing them can still be tricky for those with little experience in PC building.
Energy Efficiency
90%
The 80 Plus Gold certification ensures high energy efficiency, with many users reporting reduced electricity consumption. Reviewers noted the low energy loss during operation, which helps reduce power bills and makes this PSU more eco-friendly compared to non-certified alternatives.
Some users did not notice a significant reduction in power consumption, particularly when comparing it with lower-efficiency models. However, the general consensus is that the efficiency gains are still noticeable over time.
Size and Fit for Small Cases
65%
35%
For users with larger PC cases, this power supply fits well and provides plenty of room for cable routing and airflow. It is a solid option for mid-to-large tower builds, where space is less of a concern.
The larger size of this PSU poses a problem for users with compact or smaller cases. Many mentioned that it could be difficult to install in tight spaces, particularly when paired with larger GPUs or other high-performance components.
Customer Support and Warranty
92%
The 10-year warranty provides users with peace of mind, and many reviews reflect high satisfaction with the brand's customer service. Users felt confident knowing they had support for potential issues, with some mentioning fast response times and helpful representatives.
A few users felt that while the warranty was reassuring, they never had to use it due to the power supply's reliability. However, some suggested clearer warranty details in documentation could improve their initial understanding of the coverage.
Long-Term Reliability
89%
Many buyers praised the long-term reliability of this PSU, noting its stable performance over extended periods. The durability and consistent power delivery, even after months of use, left users confident in its longevity and performance.
A few users mentioned that prolonged use under heavy loads did lead to some minor concerns about wear and tear on the fan, though these reports were not widespread. Some felt that extended use in hot environments might reduce the PSU's lifespan.
Price-to-Performance Ratio
84%
Buyers generally feel they are getting good value for the price, especially given the high-end features like 80 Plus Gold certification and modular cables. The reliability and energy efficiency of this PSU make it a worthwhile investment for most users.
A few users felt the price was on the higher end compared to some other similar products, especially if they were only seeking a basic PSU for lower-end builds. Some felt that alternatives offered similar features at a lower cost, though not necessarily with the same long-term durability.
Overall User Satisfaction
92%
The overwhelming majority of users report high satisfaction with this power supply. Its combination of quiet operation, stable power delivery, and ease of installation has made it a top choice for gamers and PC builders alike. Many buyers also appreciated the longevity assured by the 10-year warranty.
Though most users were satisfied, a small portion mentioned that the PSU's size made it difficult to fit in compact cases. Additionally, a few noted minor noise increases under maximum load, though it was still quieter than many competitors.

Suitable for:

The be quiet! Pure Power 12 M 1200W Modular Power Supply is well-suited for gamers and PC enthusiasts who require a stable and efficient power supply for high-performance components. Its 80 Plus Gold certification ensures energy efficiency, making it ideal for users who want to minimize power consumption without sacrificing performance. This PSU is also perfect for those building custom gaming rigs or workstations, where quiet operation is a priority. The fully modular cables offer improved cable management, making it easier to organize and optimize airflow in larger cases. Additionally, its seamless compatibility with next-gen GPUs, including PCIe 5.0, ensures that it will support the latest hardware for years to come.

Not suitable for:

This PSU may not be the best choice for users with compact PC cases. While it offers excellent power delivery and quiet operation, its relatively large size can be a challenge for smaller builds. Users working with tight spaces or small form-factor cases may find it difficult to fit the PSU without compromising on cable management or airflow. Additionally, while its ultra-quiet performance is generally praised, a few users reported that under maximum load, it can still emit a noticeable hum. Therefore, those prioritizing extreme quietness in very sensitive environments might want to explore other options.

Specifications

  • Power Output: Delivers a total power output of 1200W, suitable for high-performance PC builds with demanding hardware.
  • Efficiency: 80 Plus Gold certified, providing up to 93% energy efficiency to reduce power waste and keep systems cool.
  • Cooling Method: Equipped with a temperature-controlled 120mm fan that adjusts its speed to ensure ultra-quiet operation under load.
  • Modular Cables: Fully modular design allows users to connect only the cables they need, enhancing airflow and cable management.
  • Voltage Range: Supports an input voltage range of 100–240V for global compatibility in different regions.
  • 12V Rails: Dual 12V rails provide stable power delivery, making it suitable for high-end GPUs and demanding applications.
  • PCIe Support: Fully supports PCIe 5.0, ensuring compatibility with the latest next-gen GPUs and high-performance graphics cards.
  • Dimensions: Has an ATX form factor with dimensions of 6.3 x 3.39 x 5.91 inches, which fits standard ATX cases.
  • Weight: Weighs 6.98 lbs, providing a sturdy, durable build suitable for heavy-duty power requirements.
  • Operating Temperature: Designed to operate in a temperature range of 0°C to 40°C, suitable for typical indoor environments.
  • Warranty: Includes a 10-year warranty, ensuring long-term reliability and peace of mind for users.
  • Cooling Noise: The temperature-controlled fan operates quietly even under heavy loads, making it ideal for noise-sensitive environments.
  • Form Factor: Standard ATX form factor, compatible with most ATX cases for easy integration into a wide range of builds.
  • Power Connectors: Equipped with multiple power connectors, including 24-pin, 8-pin (4+4), and PCIe connectors for a wide range of components.
  • Ripple and Noise: Low ripple and noise levels help maintain stable power delivery for sensitive components, enhancing system stability.
  • Compatibility: Compatible with a wide range of hardware, from gaming GPUs to demanding workstation setups, ensuring versatility.

FAQ

This PSU is designed specifically for demanding setups, offering 1200W output, 80 Plus Gold efficiency, and seamless compatibility with PCIe 5.0. It delivers stable power to high-end GPUs while maintaining ultra-quiet operation, even under load, making it ideal for gamers and workstation users.

Yes, this power supply supports PCIe 5.0 and seamlessly integrates with the latest high-performance GPUs, ensuring you can run demanding applications and graphics-intensive tasks without issues.

The 80 Plus Gold certification means the power supply is highly efficient, converting up to 93% of electricity into usable power. This reduces energy wastage and helps lower electricity bills while keeping your system cool and stable.

Many users report that this PSU operates extremely quietly, thanks to its temperature-controlled 120mm fan. Even under heavy load, the fan adjusts its speed to minimize noise, making it ideal for noise-sensitive environments.

The PSU is a standard ATX size (6.3 x 3.39 x 5.91 inches), which might be too large for smaller or compact cases. Some users have mentioned that its size could be a tight fit in certain chassis, so it's best to check case compatibility before purchase.

Fully modular cables allow for better cable management by letting you use only the cables you need. This leads to a cleaner build, improved airflow, and reduced cable clutter, which can enhance the overall performance and cooling of your system.

The 10-year warranty on this power supply reflects the brand's confidence in its longevity and reliability. It gives users peace of mind that, should any issues arise, they are covered for a long period, ensuring minimal downtime and potential repair costs.

While installation is generally straightforward, some users have noted that the fully modular cables can be overwhelming for those new to PC building. Additionally, the PSU's size can make it challenging to fit into tight spaces or smaller cases.

At full load, the Pure Power 12 M 1200W maintains an 80% energy efficiency rate, ensuring that a significant portion of power is effectively used by your system. This reduces waste heat and lowers your overall energy consumption.

While the 1200W output is perfect for high-performance systems, users with less demanding builds may find it overkill. In such cases, a smaller, less powerful PSU might be a more cost-effective and space-efficient choice.