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Item #:
109524966
be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117
Item #:
109524966
TTD 248
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Order now and get it around Friday, August 21
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Silent Wings 4 140mm PWM high-speed White is a fan that makes no compromises between very quiet operation and high performance.
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What Stands Out
Ultra-Quiet Operation
Engineered for minimum noise, the Silent Wings 4 fan ensures whisper-quiet performance, making it ideal for noise-sensitive environments like offices or home theaters.
High-Speed Performance
Featuring PWM technology, this fan delivers powerful airflow and superior cooling efficiency, effectively reducing system temperatures even during demanding tasks.
Elegant Design
The sleek white finish not only enhances aesthetics but also complements various setups, providing both functionality and style in one high-performance cooling solution.
Product Details
| Power Connector Type | 4-Pin |
| Voltage | 12 Volts |
| Wattage | 4.8 watts |
| Cooling Method | Air |
| Compatible Devices | Desktop |
| Noise Level | 29.3 Decibels |
| Maximum Rotational Speed | 1900 RPM |
| Air Flow Capacity | 78.4 Cubic Feet Per Minute |
| Material Type | Copper |
| EU Spare Part Availability Duration | 1 Years |
| Brand Name | be quiet! |
| Global Trade Identification Number | 04260052191088 |
| Set Name | PWM High-Speed |
| Manufacturer | be quiet! |
| Number of Items | 1 |
| Model | BL117 |
| Part Number | BL117 |
| Item Weight | 390 Grams |
| Included Components | Fan. |
| Unit Count | 1.0 Count |
| Brand | be quiet! |
| Material | Copper |
Who Should Buy?
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Gamers
High-speed performance ensures optimal cooling during intense gaming sessions, maintaining system stability and reducing heat buildup.
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PC Builders
Ideal for custom builds, this fan enhances aesthetics with its white design while providing efficient airflow for new setups.
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Noise Sensitive Users
Designed for low noise operation, perfect for users who prioritize a quiet environment while using their computers.
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Budget Builders
Higher price may not suit budget-conscious users who are looking for more affordable cooling solutions.
Product Description
be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What makes the be quiet! Silent Wings 4 Cooling Fan unique?
Answer: The be quiet! Silent Wings 4 Cooling Fan stands out due to its innovative technology designed for ultra-quiet operation while providing high cooling performance. It features a high-speed PWM control, allowing precise RPM adjustments to minimize noise during usage. This fan also employs advanced fan blades and a fluid-dynamic bearing, which contribute to its efficiency and longevity, making it perfect for gamers and PC enthusiasts who prioritize both performance and silence. -
Question:
What are the dimensions of the Silent Wings 4 fan?
Answer: The Silent Wings 4 Cooling Fan comes in a standard 140mm size, which makes it compatible with most mid- and full-tower cases, as well as certain CPU coolers. With this size, users can expect a significant airflow with reduced noise, providing optimal cooling performance. This fan fits seamlessly into many setups, making it an ideal choice for enhancing cooling without compromising on space constraints. -
Question:
Is the Silent Wings 4 suitable for overclocked systems?
Answer: Yes, the Silent Wings 4 is specifically designed to handle the cooling demands of overclocked systems. With its high-speed PWM feature, this fan can ramp up its RPMs to deliver superior airflow when needed. This is particularly important during intensive gaming sessions or heavy workloads, ensuring that components stay cool and perform at their best. Users can expect reliable thermal management, crucial for maintaining optimal performance. -
Question:
How does PWM control enhance the performance of this fan?
Answer: PWM, or Pulse Width Modulation control, allows the Silent Wings 4 fan to adjust its speed dynamically based on the system's temperature. This technology ensures that the fan runs quieter at lower temperatures and increases speed only when necessary, which not only reduces noise levels but also prolongs the fan's lifespan. It's particularly beneficial in scenarios where quiet operation is preferred, such as media centers or quiet workspaces. -
Question:
What kind of noise levels can I expect from the Silent Wings 4?
Answer: One of the key features of the Silent Wings 4 Cooling Fan is its exceptionally low noise levels, often operating at less than 30 dBA. This allows for a virtually silent performance, making it ideal for silent builds or environments where noise is a concern, such as recording studios or home offices. Users can enjoy high airflow without the annoying hum typical of standard cooling fans. -
Question:
What materials are used in the construction of the Silent Wings 4 fan?
Answer: The Silent Wings 4 is constructed using high-quality materials, including a sturdy plastic frame and a unique fan blade design. This combination ensures durability and effective performance. The fan also uses a fluid-dynamic bearing that provides smooth operation and reduces friction, further enhancing both lifespan and noise performance, making it a robust choice for long-term use in any computer setup. -
Question:
Can I daisy-chain multiple Silent Wings 4 fans together?
Answer: Yes, you can daisy-chain multiple Silent Wings 4 fans using the included PWM splitter. This feature is especially useful in larger cases or cooling solutions requiring multiple fans to ensure even airflow across components. By connecting them in this manner, you can manage the fan speed efficiently while maintaining an organized system setup, contributing to a tidy and aesthetically pleasing build. -
Question:
Is the Silent Wings 4 compatible with RGB lighting?
Answer: The Silent Wings 4 Cooling Fan is designed with a focus on performance and noise reduction rather than RGB lighting. While it lacks built-in RGB features, its sleek white design can complement other components in a build. For users looking for an unobtrusive yet effective cooling solution, this fan is an excellent choice to maintain a clean aesthetic without compromising on functionality. -
Question:
How can I install the Silent Wings 4 fan?
Answer: Installing the Silent Wings 4 Cooling Fan is straightforward. It comes with the necessary mounting screws to fit into most cases. Simply align it with the fan mount, secure it with screws, and connect the PWM cable to the motherboard or fan controller. This makes it a user-friendly option for both beginners and seasoned builders seeking to enhance their cooling solution seamlessly. -
Question:
Where can I buy be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117?
Answer: You can buy the be quiet! Silent Wings 4 Cooling Fan from Ubuy, a reliable e-commerce platform where you can find various electronic components and accessories. Ubuy offers a comprehensive selection of computer hardware, ensuring you can easily find the cooling solution that fits your needs while enjoying convenient shopping from the comfort of your home.
bequiet! Case Fans Editorial Review
The be quiet! Silent Wings 4 Cooling Fan has garnered an impressive reception among customers who prioritize quiet operation and high performance in their PC builds. Many users praise the fan's ability to drop internal temperatures significantly—typically around 4 degrees Celsius—while maintaining a notably quiet environment even at maximum RPM. The 140mm PWM fans are recognized as an ideal balance between performance and noise levels, making them a worthy investment even though they're not the cheapest option available. Reviewers have noted that the fan performs exceptionally well in open mesh cases with good airflow, suggesting that a strategy of using multiple fans operating at lower RPMs can yield better cooling results than simply boosting RPM. Users also recommend adjusting the RPM of adjacent fans to avoid resonance issues that can lead to annoying noise. The build quality of the Silent Wings 4 has impressed customers, many of whom report that these fans outshine competitors in terms of both airflow and noise profile. The fans are capable of pushing impressive amounts of air quietly and are especially valuable for maintaining a calm system, even when the operating conditions become demanding. Overall, the experience with the Silent Wings 4 is overwhelmingly positive, with customers expressing satisfaction with the fan's balance of performance, noise reduction, and build quality, along with a commitment to incorporating more of these fans in future builds. **
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Pros
- Significant temperature drop (around 4°C).
- Very quiet operation, even at high RPM.
- Excellent build quality and airflow performance.
- Ideal for setups with multiple fans at low RPM to optimize cooling.
- Attractive for users seeking low-noise, high-performance cooling solutions.
Cons
- Higher price point compared to some competing fans.
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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TTD 248
Order now and get it around Friday, August 21
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Features & Benefits
- Combines silent operation with high performance.
- Optimized for extraordinary air pressure and system performance.
- Includes two mounting options for versatile installation.
- Features a 6-pole fan motor for low power consumption and noise.
- Built with advanced bearings for extended life up to 300,000 hours.
- Elegant all-white design that enhances any setup.
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