Be quiet! SILENT WINGS 4 140mm Fan
£22.11 inc VAT
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About This Item
- 14 cm PWM computer case fan
- Quiet operation at 13.6 dB
- Fluid Dynamic Bearing for 300,000 h MTBF
- 51.3 cfm airflow with 4-pin connector
- Black design with anti-vibration mountings
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be quiet! Silent Wings 4 | 140mm PWM High-Performance Fan
The be quiet! Silent Wings 4 140mm PWM Computer Case Fan delivers exceptional cooling performance with near-silent operation, making it ideal for high-end systems where noise reduction is critical. This 140mm fan combines advanced fluid dynamic bearing technology with precision-engineered blades to achieve maximum airflow while maintaining minimal noise levels.
Quick Specs
| Metric | Spec |
|---|---|
| Bearing Type | Fluid Dynamic Bearing |
| Maximum Airflow | 51.3 CFM |
| Noise Level (High Speed) | 13.6 dB |
| Connector | 4-pin PWM |
| MTBF | 300,000 hours |
Near-Silent Operation Without Compromise
The Silent Wings 4 features advanced anti-vibration mountings and a 6-pole motor that work together to eliminate virtually all operational noise. At high speed, the fan produces just 13.6 dB of sound—quieter than a whisper—making it perfect for noise-sensitive environments like home offices, recording studios, or gaming setups where audio clarity matters.
High-Performance Cooling For Demanding Systems
Despite its whisper-quiet operation, this fan delivers impressive cooling capabilities with a maximum airflow of 51.3 CFM and air pressure of 0.92 mmH2O. The precision-engineered fan blades are optimised for maximum airflow efficiency, ensuring your components stay cool even under heavy workloads. Whether you’re running a high-end gaming PC or a professional workstation, this fan provides the cooling performance needed for demanding applications.
Built To Last With Premium Components
Quality construction ensures long-term reliability with a Mean Time Between Failures (MTBF) rating of 300,000 hours. The fluid dynamic bearing technology not only reduces noise but also significantly extends the fan’s operational lifespan compared to standard bearings. The robust black design includes all necessary mounting hardware, with four screws and four clips provided for versatile installation options.
Box Contents
- 1 x be quiet! Silent Wings 4 140mm PWM Fan
- 4 x Mounting screws
- 4 x Anti-vibration clips
- 0.5m cable with 4-pin PWM connector
Check Before You Buy
- Confirm your case has a 140mm mounting point available
- Verify your motherboard has a 4-pin PWM fan header
- Check clearance for the 140mm x 140mm x 25mm dimensions
- Ensure your system can accommodate the 3.6W power consumption
Frequently Asked Questions
Q: Is this fan suitable for radiator mounting?
A: Yes, the Silent Wings 4 can be used for radiator mounting where 140mm compatibility exists.
Q: What type of bearing does this fan use?
A: It uses Fluid Dynamic Bearing (FDB) technology for quiet operation and extended lifespan.
Q: Does this fan support speed control?
A: Yes, it features PWM support for automatic speed adjustment based on system temperature.
Q: What is the warranty coverage?
A: This product is covered by the standard Manufacturer Warranty.
The Consultant’s Verdict & Warranty
The be quiet! Silent Wings 4 140mm PWM represents an excellent choice for users who refuse to compromise between cooling performance and acoustic comfort. Its combination of near-silent operation, high airflow, and exceptional build quality makes it particularly suited for high-end gaming systems, content creation workstations, and any application where noise reduction is a priority. Covered by the standard Manufacturer Warranty, this fan delivers professional-grade cooling that will serve your system reliably for years to come.
| Performance | |
|---|---|
| Suitable location | Computer case |
| Fan connector | 4-pin |
| Pulse-width modulation (PWM) support | Yes |
| Rotational speed (max) | 1100 RPM |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Noise level (high speed) | 13.6 dB |
| Type | Fan |
| Fan diameter | 14 cm |
| Maximum airflow | 51.3 cfm |
| Maximum air pressure | 0.92 mmH2O |
| Airflow | 87.16 m³/h |
| Mean time between failures (MTBF) | 300000 h |
| Quantity per pack | 1 pc(s) |
| Design | |
| Fan connector | 4-pin |
| Product colour | Black |
| Certification | CE / ROHS / RU / UKCA / TÜV / WEEE |
| Cable length | 0.5 m |
| Technical details | |
| Noise level (high speed) | 13.6 dB |
| Type | Fan |
| Fan diameter | 14 cm |
| Maximum airflow | 51.3 cfm |
| Maximum air pressure | 0.92 mmH2O |
| Airflow | 87.16 m³/h |
| Cable length | 0.5 m |
| Fan connector | 4-pin |
| Ports & interfaces | |
| Fan connector | 4-pin |
| Power | |
| Rated voltage | 12 V |
| Voltage | 5 - 13.2 V |
| Rated current | 0.3 A |
| Power consumption (typical) | 3.6 W |
| Maximum current | 0.33 A |
| Colour | |
| Product colour | Black |
| Weight & dimensions | |
| Package depth | 206.5 mm |
| Package width | 156 mm |
| Package height | 31 mm |
| Width | 140 mm |
| Package weight | 387 g |
| Depth | 140 mm |
| Height | 25 mm |
| Weight | 220 g |
| Cable length | 0.5 m |
| Endurance | |
| Mean time between failures (MTBF) | 300000 h |
| Packaging data | |
| Package depth | 206.5 mm |
| Package width | 156 mm |
| Package height | 31 mm |
| Package weight | 387 g |
| Certificates | |
| Certification | CE / ROHS / RU / UKCA / TÜV / WEEE |
| Packaging content | |
| Screws included | Yes |
| Number of screws | 4 |
| Number of clips | 4 |
| Other features | |
| Country of origin | China |
| Harmonized System (HS) code | 84733080 |
| Logistics data | |
| Shipping (inner) case width | 31.7 cm |
| Shipping (inner) case length | 46.3 cm |
| Shipping (inner) case height | 38.8 cm |
| Shipping (inner) case gross weight | 13.6 kg |
| Products per shipping (inner) case | 32 pc(s) |
| Harmonized System (HS) code | 84733080 |
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