be quiet! Silent Wings Pro 4 140mm PWM High Speed Cooling Fan

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86%
93%
Noise Level
90%
Cooling Performance
88%
Build Quality
78%
Ease of Installation
89%
Durability
84%
Flexibility of Speed Settings
85%
Airflow Efficiency
80%
Compatibility with Radiators
91%
Value for Money
75%
Aesthetic Appeal
87%
Temperature Control
88%
Vibration Reduction
More

Overview

The be quiet! Silent Wings Pro 4 140mm PWM High Speed Cooling Fan is designed to deliver premium cooling performance while maintaining a quiet operation. This high-performance fan features a speed control system that allows users to adjust the RPM up to 2400, offering flexibility in cooling power. Its 140mm size and low-noise operation make it a top choice for users looking to enhance their PC builds, particularly when used with radiators and heat sinks. As the name suggests, this cooling fan is ideal for high-performance setups where quiet operation is a priority.

Features & Benefits

This fan combines advanced engineering with practical functionality. The small tip clearance and funnel-shaped air outlet help to create better pressure for improved airflow. With a 6-pole fan motor and fluid-dynamic bearing, it significantly reduces vibration, contributing to its almost inaudible noise levels at regular speeds. The fan's ability to switch between medium, high, and ultra-high speeds ensures a versatile cooling solution for various tasks, from regular use to high-performance cooling. Additionally, the durable copper material helps optimize heat dissipation, ensuring long-term reliability.

Best For

The Silent Wings Pro 4 is best suited for PC builders and users who require efficient, low-noise cooling solutions. Gamers, content creators, and overclockers will particularly appreciate its ability to maintain reliable cooling under heavy use while staying quiet. It's also a solid choice for those with radiators or heat sinks that demand high air pressure to keep components cool. Whether you are assembling a powerful gaming rig or a content creation workstation, this fan provides the flexibility and performance you need.

User Feedback

Users have consistently praised this cooling fan for its quiet operation, even at its highest speeds. Many reviewers have found it effective at keeping their systems cool without the annoying noise that often accompanies high-performance fans. Some users appreciate the flexibility of adjusting the fan's speeds to match specific cooling needs. However, a few users noted that the fan may not be as suitable for very large cooling setups, where even higher airflow might be required. Overall, its durability and low-noise operation are its standout features.

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Pros

  • Operates quietly even at high speeds, making it ideal for noise-sensitive environments.
  • Adjustable speed control offers flexibility, allowing users to fine-tune airflow based on needs.
  • Durable copper construction enhances heat dissipation, improving long-term performance.
  • The 6-pole motor with fluid-dynamic bearing reduces vibration and ensures smooth operation.
  • With its 140mm size and high airflow, this fan is perfect for cooling high-performance components.
  • Great for PC builders looking for a reliable cooling solution that doesn’t compromise on noise levels.
  • The fan's low noise levels make it an excellent choice for gamers and content creators working in quiet spaces.

Cons

  • Not the best choice for users with extreme overclocking setups that require higher airflow.
  • The 140mm size may not fit in smaller cases, limiting installation options for compact builds.
  • Some users report that the fan is not powerful enough for larger radiators in demanding systems.
  • While it’s quiet, the fan’s airflow might not meet the needs of users with high cooling demands.
  • Lack of customizable aesthetics (e.g., RGB lighting) might disappoint users looking for a flashy build.
  • Installation can be tricky in cramped spaces due to its fixed mounting options.

Ratings

After analyzing verified user reviews from multiple languages and platforms worldwide, the scores for the be quiet! Silent Wings Pro 4 140mm PWM High Speed Cooling Fan reflect a diverse range of opinions. Only high-quality, authentic feedback was considered, with spam, bot, and incentivized reviews removed. While this fan excels in certain areas like <b>quiet operation</b> and <b>cooling efficiency</b>, there are some mixed opinions regarding its installation and performance in large builds. Below, you can find an aggregated view of user ratings based on their actual experiences with this fan across various use cases.

Noise Level
93%
Users rave about how incredibly quiet this fan operates, even at higher RPMs. Many report that it remains virtually silent under typical load conditions, making it a great option for those seeking low-noise cooling solutions for their builds or office environments.
A few users noted that while the fan is quiet at low speeds, it can still generate some noticeable noise at its highest settings. This is particularly noticeable in very quiet setups or when used in smaller cases.
Cooling Performance
90%
Buyers are highly satisfied with the fan's cooling capability. It efficiently maintains optimal temperatures, even during intensive gaming or long rendering sessions. The adjustable speed settings allow for tailored performance based on user needs, adding to its versatility.
However, some users reported that it doesn't always provide as much cooling performance as expected in larger cases or when paired with high-performance components. A few felt that the airflow could be better for extreme overclocking scenarios.
Build Quality
88%
The build quality of this fan is often praised, with many users mentioning its sturdy construction and premium materials. The fluid-dynamic bearing is especially noted for reducing vibrations, which contributes to the overall longevity and smooth operation of the device.
While most users are satisfied, a small number experienced issues with the fan’s durability after extended use. Some reported that it began to show signs of wear, such as slight noise, after several months of operation.
Ease of Installation
78%
22%
The fan is relatively easy to install, and many users appreciate the straightforward mounting process. The 4-pin connector ensures good compatibility with most motherboards, making it a practical choice for DIY PC builders.
A few buyers found the installation process less intuitive, especially when dealing with tight spaces or complex setups. Some users struggled with securing the fan in place, and a handful of complaints were directed at the lack of clear instructions for specific cases.
Durability
89%
Many users are impressed by the fan’s long-term durability. The robust materials and quiet performance hold up well even after extended usage, which makes it a reliable choice for high-performance systems that require consistent cooling over time.
While the durability is generally positive, there were occasional mentions of wear on the bearings after heavy use. A small percentage of users reported that the fan became noisier over time, which they attributed to mechanical issues.
Flexibility of Speed Settings
84%
Buyers love the ability to adjust the speed with ease, tailoring cooling performance to specific needs. The medium, high, and ultra-high settings provide a good balance of power and noise control, which is ideal for users who want to optimize their systems based on usage intensity.
However, some found the speed adjustment less effective in high-demand scenarios, where even the highest setting was not sufficient. A few users wished for more granular control, such as a finer adjustment mechanism for RPM.
Airflow Efficiency
85%
The airflow capacity of this fan is highly rated, with many users praising its ability to push 97.4 CFM of air without overwhelming the system with noise. This makes it a solid choice for keeping critical components like CPUs and GPUs cool in demanding tasks.
Some users felt that while the fan moved a decent amount of air, it wasn’t as effective as advertised in larger setups or with particularly high-density radiator arrangements. A few also noted that airflow performance varied depending on the case configuration.
Compatibility with Radiators
80%
20%
This fan is widely appreciated for its compatibility with radiators, providing solid cooling performance even in tight spots. Many users report that it fits well in most PC cases, making it ideal for users who want a reliable solution for water-cooling setups.
Despite its compatibility, some users noted that it struggled with high-performance radiators, especially in systems where a higher static pressure is needed. The fan may not be the best fit for very thick radiators or those with very high airflow demands.
Value for Money
91%
Given its excellent performance and quiet operation, users find this fan offers great value for the price. The combination of high airflow, adjustable speed, and durability justifies the investment for those seeking reliable and efficient cooling.
A small segment of users felt that the fan was priced slightly higher than other options with similar specs. However, these buyers acknowledged that the premium materials and low-noise performance justify the cost for most users.
Aesthetic Appeal
75%
25%
The minimalist design of the fan is appreciated by those who value a sleek, understated aesthetic in their builds. Many users find the design to be visually appealing and suitable for both gaming and professional setups.
However, some buyers were less impressed with the overall aesthetic. A few felt that the design was too basic and lacked the vibrant customization options that other brands offer, particularly those who prefer RGB features or more colorful fans.
Temperature Control
87%
Users are pleased with how the fan helps maintain consistent temperatures in demanding systems. The cooling performance, especially under load, is regarded as highly effective in keeping components within safe operating ranges.
Some users, however, expressed concerns that temperature control could be better with extreme overclocking or when used in cases with poor airflow. In such scenarios, the fan didn’t always meet expectations for the most high-powered setups.
Vibration Reduction
88%
The fluid-dynamic bearing and solid construction provide excellent vibration reduction, ensuring smooth and quiet operation. Many users noted a significant decrease in vibrations compared to similar fans, contributing to quieter systems overall.
A few users reported that while the fan is relatively vibration-free, the performance wasn’t as flawless in cases with less structural support. Some users mentioned slight vibrations under high-speed settings when the fan was installed in certain chassis.

Suitable for:

The be quiet! Silent Wings Pro 4 140mm PWM High Speed Cooling Fan is an excellent choice for PC builders and users with high-performance systems that demand low-noise operation without sacrificing cooling power. Gamers, content creators, and overclockers will appreciate its quiet operation at varying speeds, which ensures an efficient and smooth gaming or work environment. This cooling fan’s versatility with adjustable RPM settings makes it ideal for those looking for precise control over airflow, whether they’re cooling CPUs, GPUs, or radiators. If you're looking for a durable, high-efficiency fan for your PC that won't disrupt your work or play, this cooling fan is well-suited to your needs.

Not suitable for:

While the be quiet! Silent Wings Pro 4 cooling fan excels in low-noise performance and cooling efficiency, it may not be the best fit for users with extreme overclocking setups or larger cases that demand even higher airflow. Some users with particularly dense radiator setups or advanced cooling systems have found that its airflow capacity isn’t quite enough for the most demanding scenarios. Additionally, those who prefer highly customizable aesthetics, such as RGB lighting, may find this fan too minimalist for their builds. Finally, while easy for most installations, users with cramped cases may experience some difficulty fitting it in due to its larger size and fixed mounting options.

Specifications

  • Fan Size: The fan is 140mm in diameter, designed for use in mid to large-sized PC cases.
  • Speed Control: The fan features PWM (Pulse Width Modulation) control for precise speed adjustments.
  • Maximum RPM: The fan can reach a maximum speed of 2400 RPM, providing high airflow when needed.
  • Airflow Capacity: The fan delivers an airflow of up to 97.4 CFM, making it highly efficient at cooling.
  • Noise Level: The fan operates at a maximum noise level of 36.8 dB, offering near-silent performance even under load.
  • Bearing Type: It uses a fluid-dynamic bearing to reduce vibration and enhance durability.
  • Motor Type: The fan features a 6-pole fan motor, designed to improve efficiency and minimize power consumption.
  • Material: The fan is constructed with copper, which helps to improve heat dissipation and overall performance.
  • Connector Type: The fan uses a 4-pin connector for PWM control and power supply.
  • Voltage: The fan operates at a voltage of 12V, ensuring compatibility with most PC power supplies.
  • Wattage: The fan consumes 3.04 watts of power during operation.
  • Dimensions: The fan measures 5.51″ x 0.98″ x 5.51″, making it a standard size for many PC cooling solutions.
  • Fan Type: The fan is a high-performance model specifically designed for low-noise operation and high airflow.
  • Mounting Compatibility: The fan is compatible with standard 140mm fan mounts in PC cases, radiators, and heat sinks.
  • Speed Settings: It offers multiple speed settings (medium, high, and ultra-high) for flexible cooling based on system demands.
  • Vibration Reduction: The fluid-dynamic bearing and design minimize vibrations, which helps reduce noise during operation.
  • Target Use: The fan is designed for users with high-performance systems, including gamers, overclockers, and PC builders.
  • Heat Dissipation: The copper material aids in superior heat dissipation, making it effective for cooling high-performance components.
  • Durability: The fan is built for long-term durability, with a design that ensures reliable performance over time.

FAQ

This fan is designed for optimal cooling with a nearly inaudible noise level, even at high speeds. It features a versatile PWM control that allows users to adjust the speed from medium to ultra-high, offering customizable cooling for different needs. Its copper construction enhances heat dissipation, making it a reliable choice for high-performance PC builds.

The fan includes a PWM controller that allows you to adjust the RPM depending on your needs. You can either use software (if your motherboard supports PWM control) or a fan controller that supports PWM control to adjust the fan speed. The fan can reach up to 2400 RPM, making it suitable for both quieter and more aggressive cooling setups.

Yes, this fan is ideal for gaming PCs or high-performance systems. With its high airflow capacity of 97.4 CFM and low noise profile, it provides efficient cooling for demanding components like CPUs, GPUs, and radiators. Its versatile speed settings allow you to balance noise levels and cooling performance based on your system's requirements.

The 140mm size of this fan may be too large for some smaller PC cases, especially those designed for compact builds. It's important to check your case’s specifications to ensure that it can accommodate a 140mm fan. If space is limited, you may want to consider a smaller 120mm fan instead.

One of the standout features of this fan is its near-silent operation. Even at its highest RPM of 2400, it only generates 36.8 dB of noise, which is similar to the sound level of a soft breeze. This makes it a great option for users who prioritize a quiet computing experience, such as in home offices or media centers.

With its high-quality fluid-dynamic bearing and robust build, the fan is designed for long-term durability. Users have reported reliable performance for several years, with minimal wear. The copper material also contributes to the overall longevity by improving heat dissipation and preventing overheating issues.

Yes, this fan is well-suited for use with radiators in liquid cooling systems. Its high airflow capacity and pressure-focused design, with a funnel-shaped air outlet, make it effective for pushing air through dense radiator fins, ensuring efficient heat dissipation without creating excessive noise.

The fan uses a 4-pin connector, which is compatible with most modern motherboards that support PWM (Pulse Width Modulation) control. However, you should check your motherboard’s specifications to confirm PWM support. If your motherboard does not support PWM, you can use a separate fan controller to manage the fan speed.

While the Silent Wings Pro 4 offers excellent cooling for most systems, some users with extremely high overclocked setups may find it not powerful enough for the most demanding cooling needs. If you're pushing your components to their limits, you might need a fan that provides even higher airflow or pressure for optimal results.

No, this fan does not include RGB lighting or any customizable aesthetic features. It is focused purely on performance and efficiency, with an emphasis on quiet operation and reliability. If you're looking for a fan with RGB lighting, you may want to consider other options, but this fan excels in providing effective, low-noise cooling.