BeQuiet BL117 Silent Wings 4 is a high-performance PC fan designed to enhance cooling efficiency within computing enclosures. This white fan measures 140 x 140 x 25 mm, making it suitable for a range of custom cooling solutions where space allows, particularly in larger chassis or application-specific machines. Engineered for minimal acoustic impact, the fan utilises advanced bearing technology and optimised blade design to achieve effective air circulation while keeping noise levels low. It is a versatile option for cooling requirements in personal computers, workstations, and server environments where reliability and quiet operation are paramount. Furthermore, its sleek white appearance allows for seamless integration into systems where aesthetic coherence is desired.
| Type |
PC fan |
| Fan Size |
140mm |
| Colour |
White |
| Air Discharge |
133.2m³/h |
| Airflow |
133.2 m³/h |
| Bearing Type |
Rifle bearing |
| Cable Length |
0.5 m |
| Compliance certificates |
CE, RoHS, UKCA, WEEE |
| Connection |
4-pin PWM |
| Content |
1 |
| Depth |
25mm |
| Dimensions |
(W x H x D) 140 x 140 x 25 mm |
| Fan connector |
4-pin |
| Fan diameter |
14 cm |
| Fan power consumption |
4.8 W |
| Fans mean time to failure (MTTF) |
300000 h |
| Height |
140mm |
| Maximum air pressure |
2.36 mmH2O |
| Maximum Airflow |
78.4 cfm |
| Noise emission |
20.1 dBa - 30 dBa |
| Noise emission (max.) |
29.3dBa |
| Noise level (high speed) |
29.3 dB |
| Number of screws |
4 |
| Package depth |
206.5mm |
| Package height |
31mm |
| Package weight |
390 g |
| Package width |
156mm |
| Product colour |
White |
| Product Type |
PC fan |
| Pulse-width modulation (PWM) support |
Yes |
| Quantity per pack |
1 pc(s) |
| Rated current |
0.4 A |
| Rated Voltage |
12 V |
| Rotational speed (max) |
1900 RPM |
| Rotational speed (max.) |
1900U/min |
| Screws included |
Yes |
| Shipping (inner) case gross weight |
13.7 kg |
| Shipping (inner) case height |
38.8cm |
| Shipping (inner) case length |
46.3cm |
| Shipping (inner) case width |
31.7cm |
| Suitable location |
Computer case |
| Sustainability certificates |
Triman |
| Sustainability compliance |
Yes |
| Type of bearing |
Fluid dynamic bearing |
| Voltage |
5 - 13.2 V |
| Warranty period |
3 year(s) |
| Weight |
220g |
| Width |
140mm |
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