be quiet! 140mm Silent Fan Black
£28.86 inc VAT
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About This Item
- 14 cm PWM fan for computer cases
- Up to 2400 RPM with fluid dynamic bearing
- Maximum airflow 97.41 cfm, pressure 3.64 mmH2O
- Noise level 36.8 dB at high speed
- 4-pin connector, 0.5 m cable, black finish
- CE/ROHS/UKCA/TÜV certified, 300 000 h MTBF
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be quiet! Silent Wings Pro 4 | 140mm PWM Fan
The be quiet! Silent Wings Pro 4 140mm PWM Computer case Fan delivers exceptional cooling performance with near-silent operation, making it ideal for high-performance PC builds where noise reduction is critical. This German-engineered 140mm fan combines advanced fluid dynamic bearing technology with optimized blade design to provide superior airflow while maintaining whisper-quiet operation.
Key Specifications
| Metric | Spec |
|---|---|
| Fan Size | 140mm |
| Bearing Type | Fluid Dynamic Bearing |
| Maximum Airflow | 97.41 CFM |
| Noise Level (High Speed) | 36.8 dB |
| Speed Control | PWM with 3 selectable modes |
| MTBF | 300,000 hours |
Advanced Cooling Performance
The Silent Wings Pro 4 features specially optimized fan blades designed for maximum static pressure, making it particularly effective when used with radiators and heatsinks. The fluid dynamic bearing ensures smooth, quiet operation while extending the fan’s lifespan to an impressive 300,000 hours. With a maximum airflow of 97.41 CFM and air pressure of 3.64 mmH2O, this fan provides exceptional cooling performance for demanding systems.
Precision Speed Control
Equipped with PWM support and a three-position speed switch, the Silent Wings Pro 4 offers complete control over your cooling solution. Users can select between Silent, Standard, and Performance modes to balance noise levels with cooling requirements. The 4-pin connector ensures compatibility with modern motherboards for automatic speed control based on system temperature.
Premium Build Quality
Manufactured in Germany, this fan demonstrates be quiet!’s commitment to quality with robust construction and attention to detail. The black finish complements any build aesthetic, while the 0.5m cable length provides adequate reach for most installations. With dimensions of 140 x 140 x 25mm and a weight of 258g, it’s designed to fit standard 140mm mounting points in computer cases.
What Is in the Box
- 1 x be quiet! Silent Wings Pro 4 140mm PWM Fan
- 4 x Screws
- 4 x Clips
Before you order
- Confirm your case has 140mm fan mounting points
- Verify your motherboard supports 4-pin PWM fans
- Check available clearance for 25mm fan depth
- Ensure your power supply can provide 12V at 0.5A
Buyer FAQs
What makes this fan quieter than standard fans?
Can I use this fan with a 3-pin connector?
What is the maximum RPM of this fan?
Is this fan suitable for radiator mounting?
How long is the warranty period?
Is it worth it?
The be quiet! Silent Wings Pro 4 140mm PWM represents the pinnacle of quiet cooling technology for enthusiasts and professionals who demand both performance and silence. Its combination of German engineering, fluid dynamic bearing, and intelligent speed control makes it an excellent choice for high-end gaming rigs, workstation builds, or any system where noise reduction is paramount. The 300,000-hour MTBF rating ensures long-term reliability, while the three-speed control options provide flexibility for different usage scenarios. Covered by the applicable manufacturer warranty, this fan delivers premium cooling performance without the premium noise levels.
| Weight | 0.45 kg |
|---|---|
| Certification | CE, ROHS, RU, UKCA, TÜV, WEEE |
| Suitable location | Computer case |
| Pulse-width modulation PWM support | Yes |
| Rotational speed max | 2400 RPM |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Quantity per pack | 1 pc(s) |
| Noise level high speed | 36.8 dB |
| Type | Fan |
| Fan diameter | 14 cm |
| Maximum airflow | 97.41 cfm |
| Maximum air pressure | 3.64 mmH2O |
| Airflow | 165.5 m³/h |
| Fan connector | 4-pin |
| Rated voltage | 12 V |
| Voltage | 7 – 13.2 V |
| Rated current | 0.5 A |
| Power consumption typical | 6 W |
| Maximum current | 0.5 A |
| Product colour | Black |
| Fan dimensions W x D x H | 140 x 140 x 25 mm |
| Width | 140 mm |
| Depth | 140 mm |
| Height | 25 mm |
| Weight | 258 g |
| Cable length | 0.5 m |
| Mean time between failures MTBF | 300000 h |
| Package depth | 206.5 mm |
| Package width | 156 mm |
| Package height | 31 mm |
| Package weight | 448 g |
| Screws included | Yes |
| Number of screws | 4 |
| Number of clips | 4 |
| Country of origin | Germany |
| 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 | 15.5 kg |
| Products per shipping inner case | 32 pc(s) |
| Harmonized System HS code | 84733080 |
| Distributor SKUs | FABEQ-BL099, 573695, CF18058, STD10229122 |
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