SILENT WINGS PRO 4
140mm PWM
Legendary silence, epic performance and features
Silent Wings Pro 4 140mm PWM is the most progressive, performant and versatile fan by be quiet!
- Optimized fan blades for the highest performance on radiators and heat sinks
- Speed switch allows changing maximum PWM speed between medium-speed, high-speed and ultra-high-speed (up to 2400 rpm)
- Small tip clearance and a fan frame with a funnel-shaped air outlet for extremely high air pressure
- Virtually inaudible operation at regular speed
- 6-pole fan motor and fluid-dynamic bearing for less vibration and very smooth operations
- Individual mounting systems for use as a case fan or with a radiator
- 5-year manufacturer warranty
General data
| Model | Silent Wings Pro 4 140mm PWM |
| Dimensions (mm) | 140 |
| Color option | Black |
| Lighting | - |
| Fan speed at 100% PWM / 12V (rpm) | 2400 |
| Noise level at 100% PWM / 12V (dB(A)) | 36.8 |
| Airflow at 100% PWM / 12V (CFM / m3/h) | 97.4 / 165.5 |
| Air Pressure at 100% PWM / 12V (mm H2O) | 3.64 |
Infographics
Mechanical specifications
| Dimensions (L x W x H), (mm) | 140 x 140 x 25 |
| Weight incl. fixed cables (g) | 258 |
| Bearing technology | FDB |
| Motor technology | 6-pole fan motor |
| Push pin fixing | ✓ |
| Screw fixing | ✓ |
Cables / Connectors
| Daisy-chain compatible | - |
| Lighting connector | - |
| Connector | 4-pin PWM |
| Cable length (mm) | 500 |
| Cable sleeve | ✓ |
Performance / Noise
| Airflow at 100% PWM / 12V (CFM / m3/h) | 97.4 / 165.5 |
| Air Pressure at 100% PWM / 12V (mm H2O) | 3.64 |
| Noise level at 100% PWM / 12V (dB(A)) | 36.8 |
| Lifespan (h / 25°C) | 300,000 |
| Zero RPM mode | ✓ |
Electrical specifications
| Rated Voltage DC (V) | 12 |
| Operating Voltage DC (V) | 7 - 13.2 |
| Current consumption (A) | 0.50 |
| Input current (A) | 0.50 |
| Safety current (A) | 0.50 |
| Input power (W) | 6.0 |
| Rated Current LED (A) | - |
Accessories
| 3-pin to 4-pin 12V-connector | - |
| 12V to 7V adapter | - |
| 12V to 5V adapter | - |
| Screws | 4 |
| Push pins | 4 |
| hard plastic washer | 4 |
| Others | Rubber & hard plastic & radiator mountings |
Safety certification
| Approvals | CE / RoHS / RU / UKCA / TÜV / WEEE |
Environmental directives
Service
| Warranty (Years) | 5 |
| International hotline / free of charge | ✓ / DE, FR, US |
Logistics data and RRP
| Article number | BL099 |
| EAN code | 4260052188910 |
| Dimensions, package (L x W x H), (mm) | 206.5 x 156 x 31 |
| Gross weight, package (kg) | 0.45 |
| Pieces per packaging unit | 32 |
| Dimensions, shipping box (L x W x H), (mm) | 463 x 317 x 388 |
| Gross weight, shipping box (kg) | 15.54 |
| RRP (€) | 32.90 |
