be quiet! SILENT WINGS 4 120mm PWM high-speed

be quiet! SILENT WINGS 4 120mm PWM high-speed

Virtually inaudible, excellent cooling

Highlights:

• Silent Wings 4 120mm PWM high-speed combines all the features of a virtually inaudible fan with those of an extremely high-performance fan and is the perfect choice for the most demanding applications. 
• Optimized fan blades for highest performance on radiators and heat sinks 
• Small distance between frame and fan blades and funnel-shaped air outlets ensures maximum air pressure 
• Very quiet operation even at highest speeds 
• 6-pole fan motor and advanced Fluid Dynamic bearing for minimal vibrations 
• Anti-vibration mounts with push-pins and optional screw mounts 
• PWM-controlled fan speed via mainboard 
• Extremely long service life of up to 300,000 hours 
• High-quality appearance with high-gloss fan sticker in noble black 

Technical details:

• Dimensions (L x W x H): 120 x 120 x 25 mm 
• Bearing technology: FDB 
• Connector: 4-pin PWM 
• Motor technology: 6-pole fan motor 
• Weight incl. connection cable: 190 g 
• Push pin mounting 
• Screw mounting 
• Air Flow @ 100% PWM / 12V (CFM / m3/h): 76,7 / 130,31 
• Air Pressure @ 100% PWM / 12V (mm H2O): 3,96 
• Loudness @ 100% PWM / 12V (dB(A)): 31,2 
• Life expectancy @ 25 °C (hours): 300,000