be quiet! SilentWings® 4 PRO 120mm stands for state-of-the-art technology, virtually inaudible operation and superior cooling

Legendary silence, epic performance and features
For the highest performance, optimized fan blades, especially for heat sinks designed radiator corners and a speed switch with 3 selectable speed options, Silent Wings Pro 4 120mm 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 3000 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 for less vibration and power consumption
- Fluid-dynamic bearing enables very smooth operation
- Individual and easy mounting systems for use as a case fan or with a radiator
- Super-long life-span of up to 300,000h
- Valuable sleeved PWM cable and easy to install PWM connector
- Elegant look with high-grade fan sticker in an all-black design
- 5-year manufacturer warranty

Specification:
- Model: Silent Wings 4 PRO 120mm
- Dimensions (mm): 120
- Fan speed @ 100% PWM / 12V (rpm): 3000
- Air flow @ 100% PWM / 12V (cfm / m3/h): 83.9 / 142.5
- Air pressure @ 100% PWM / 12V (mm H2O): 5.31
- Noise level @ 100% PWM / 12V (dB(A)): 36.9
- Lifespan (h / 25°C): 300,000
- Color option: Black
- Dimensions (L x W x H), (mm): 120 x 120 x 25
- Bearing technology: FDB
- Motor technology: 6-pole fan motor
- Cable length (mm) 500
- Connector: 4-pin PWM
- Warranty: 5 Years

Specifications

Dimensions	Length / Depth 120 mm Width 120 mm Weight 227 g Fan height 25 mm Lighting Lighting / RGB No Colour Primary Colour Black Fan Main Colour (Frame) Black Fan Main Colour (Rotor) Black Fan Specifications Fan Size 120 mm Fan mounting size 120 mm Fan Blade Direction Standard Fan Bearing Fluid Dynamic Bearing Max. Fan RPM 3000 rpm Max. Single Fan Airflow 83.9 cfm Max. Static Pressure 5.31 mmH2O Noise Max. Single Fan Noise 36.9 dB(A) Power Specifications Rated voltage 12 V Starting voltage 7 V Compatibility Compatibility Note Please refer to the manufacturer's compatibility information. You can find the latest overview on the manufacturer's website. Internal Ports Fan connectors 4 Pin (PWM)
Length / Depth	120 mm
Width	120 mm
Weight	227 g
Fan height	25 mm
Lighting / RGB	No
Primary Colour	Black
Fan Main Colour (Frame)	Black
Fan Main Colour (Rotor)	Black
Fan Size	120 mm
Fan mounting size	120 mm
Fan Blade Direction	Standard
Fan Bearing	Fluid Dynamic Bearing
Max. Fan RPM	3000 rpm
Max. Single Fan Airflow	83.9 cfm
Max. Static Pressure	5.31 mmH2O
Max. Single Fan Noise	36.9 dB(A)
Rated voltage	12 V
Starting voltage	7 V
Compatibility Note	Please refer to the manufacturer's compatibility information. You can find the latest overview on the manufacturer's website.
Fan connectors	4 Pin (PWM)