be quiet! SILENT WINGS PRO 4 140 mm PWM fan, black
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Choose countrybe quiet! SILENT WINGS PRO 4 is a 140 mm PWM fan for PC cases, radiators and heat sinks. Its Speed Switch selects between 3 maximum PWM speed settings, reaching up to 2400 rpm.
Airflow and speed control
Optimised blades, a small gap between the blades and frame, and funnel-shaped air outlets help build air pressure for radiator and heat-sink cooling. At 100% PWM and 12 V, airflow is 97.41 CFM and the noise level is 36.8 dB(A).
- Speed selection: medium-speed, high-speed and ultra-high-speed maximum PWM settings.
- Quiet operation: a 6-pole motor and fluid dynamic bearing support low-vibration running, with nearly inaudible operation at normal speeds.
- Mounting options: push-pin and screw mounting for case, radiator or heat-sink use.
- Connection: a 4-pin PWM connector and 50 cm sleeved cable.
The black plastic fan measures 140 × 140 × 25 mm and features a high-gloss fan sticker.
| Dimensions (L × W × H) | 140 × 140 × 25 mm |
|---|---|
| Bearing technology | FDB (fluid dynamic bearing) |
| Connector | 4-pin PWM |
| Motor technology | 6-pole fan motor |
| Weight including connection cable | 258 g |
| Push-pin mounting | Yes |
| Screw mounting | Yes |
| Airflow at 100% PWM / 12 V | 97.41 CFM / 165.5 m³/h |
| Air pressure at 100% PWM / 12 V | 3.64 mm H₂O |
| Noise level at 100% PWM / 12 V | 36.8 dB(A) |
| Life expectancy at 25 °C | 300 000 hours |
| Voltage | 12 V |
| Maximum air pressure | 3.64 mm H₂O |
| Cable length | 50 cm |
| Fan diameter | 140 mm |
| Maximum noise level | 36.8 dB |
| Rated current | 0.5 A |
| Maximum airflow | 97.41 CFM |
| Rated power consumption | 6 W |
| Number of fans | 1 |
| Height | 140 mm |
| Colour | Black |
| Width | 140 mm |
| Depth | 25 mm |
| Weight | 0.258 kg |
| Material | Plastic |
| Type | Air cooling system |
| Cooling type | Radiator fan |
| Maximum rotational speed | 2400 rpm |
| Maximum PWM speed settings | Medium-speed, high-speed, ultra-high-speed |
| Cable finish | Sleeved |
| EAN | 4260052188910 |
|---|
Can this fan be used in a case and on a radiator?
Yes. It supports use as a case fan and on radiators and heat sinks, with push-pin and screw mounting options.
What does the Speed Switch adjust?
It selects the maximum PWM speed setting: medium-speed, high-speed or ultra-high-speed. The highest stated speed is 2400 rpm.












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