








π¨ Silence Meets Power: Cool Like a Pro, Hear Nothing but Success
The be quiet! Silent Wings Pro 4 140mm PWM fan combines cutting-edge blade design and a 6-pole motor with fluid-dynamic bearings to deliver ultra-high airflow (165.5 mΒ³/h) and static pressure (3.64 mm H2O) at whisper-quiet noise levels (36.8 dB). With customizable PWM speed up to 2400 RPM and a sleek 4-pin connector, itβs engineered for premium cooling performance in professional and enthusiast PC builds.







| Product Dimensions | 14L x 2.5W x 14H Centimeters |
| Brand | be quiet! |
| Power Connector Type | 4-Pin |
| Voltage | 12 Volts |
| Wattage | 3.04 Watts |
| Cooling Method | Fan |
| Compatible Devices | Radiator |
| Noise Level | 36.8 Decibels |
| Material | Copper |
| Maximum Rotational Speed | 2400 RPM |
| Air Flow Capacity | 165.5 Cubic Feet Per Minute |
| Global Trade Identification Number | 04260052188910 |
| Manufacturer | be quiet! |
| Number of Items | 1 |
| Country of Origin | USA |
| Model number | BL099 |
| Item Weight | 310 g |
| Item model number | BL099 |
| Are batteries included? | No |
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