BE QUIET SILENT WINGS 4 140mm PWM high-speed cijene

Virtually inaudible, excellent cooling

Highlights:

• Silent Wings 4 140mm PWM highspeed combines all the features of a virtually inaudible fan with those of an extremely highperformance 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 funnelshaped air outlets ensures maximum air pressure 
• Very quiet operation even at highest speeds 
• 6pole fan motor and advanced Fluid Dynamic bearing for minimal vibrations 
• Antivibration mounts with pushpins and optional screw mounts 
• PWMcontrolled fan speed via mainboard 
• Extremely long service life of up to 300,000 hours 
• Highquality appearance with highgloss fan sticker in noble black 

Technical data:

• Dimensions (L x W x H): 140 x 140 x 25 mm 
• Bearing technology: FDB 
• Connector: 4pin PWM 
• Motor technology: 6pole fan motor 
• Weight incl. connection cable: 220 g 
• Push pin mounting 
• Screw mounting 
• Air Flow @ 100% PWM / 12V (CFM / m3/h): 78,4 / 133,20 
• Air Pressure @ 100% PWM / 12V (mm H2O): 2,36 
• Loudness @ 100% PWM / 12V (dB(A)): 29,3 
• Life expectancy @ 25 °C (hours): 300,000