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be quiet! 140mm Silent & Pure Wings 2 Review


be quiet! 140mm Silent & Pure Wings 2 Case Fans: Specifications

Dimensions (L x W x D), (mm)
140 x 140 x 25
Fan speed @ 12V (rpm)
Air flow @ 12V (cfm, m3/h)
Silent: 60.4 , 102.6
Pure: 61.2 , 104
Air Pressure @ 12V (mm H2O)
Silent: 0.81
Pure: 0.76
Noise level @ 12V (dB(A))
Silent: 15.8
Pure: 18.8
Bearing Type
Silent: FDB
Pure: Rifle
Motor Technology
4-pole fan motor
Weight incl. fixed cables (kg, lbs)
Silent: 0.3 , 0.66
Pure: 0.16 , 0.35
Push pin fixing
Silent: Yes
Pure: No
Screw fixing
3 pin
Cable length (mm)
Cable sleeve
Silent: Yes
Pure: No
Lifespan (h/25oC)
Silent: 300,000
Pure: 80,000
Rated voltage DC (V)
Starting voltage DC (V)
Silent: 4
Pure: 5
Operating voltage DC (V)
Silent: 4 ~ 14
Pure: 5~12
Current consumption (A)
Safety current (A)
Silent: 0.20
Pure: 0.09
Input power (W)
Silent: 2.40
Pure: 1.08
Accessories (Silent)
3pin to 4pin Y-connector
12V to 7V adapter
12V to 5V adapter
5 Screws
5 Push pins
5 Silica gel washer
Rubber & hard plastic mountings
Accessories (Pure)
4 Screws
Warranty (Years)




be quiet! 140mm Silent & Pure Wings 2 Case Fans: Features

  • Silent
  • Unique airflow-optimized fan blade design reduces noise-generating fan turbulence
  • Advanced fluid dynamic bearing providing for greatly reduced operating noise
  • Improved modular vibration damping mounts and rubberized frame to help prevent transmission of vibration to computer case and its components
  • Option for direct hard mount when preferred
  • Advanced high quality IC motor controller reduces electrical noise
  • Advanced fluid dynamic bearing (FDB) with industrial grade lubricant eliminates direct contact between rotor and frame, resulting in extremely low noise levels.
  • The FDB has a copper core that conducts heat away from the bearing more effectively, enabling super-long fan life up to 300,000 hours.
  • Dynamically balanced fan blades enhance reliability and result in maximum operating silence
  • German product conception, design, and quality control
  • 3 year manufacturer's warranty
  • Pure
  • Nine silence-optimized fan blades with high hairflow capabilities reduce noise-generating turbulences while increasing air pressure
  • Very quiet operation even at maximum speed with noise of 18.8 dB(A)
  • Product conception, design and quality control in Germany
  • Perfect choice for Home and Office PCs, Gaming and Multimedia systems
  • Especially recommended for use in water cooling and CPU colling builds
  • High-qulity rifle bearing technology contributes to a very long lifespan of up to 80,000 hours
  • Three year warranty
  • Quick support is available via the international hotline (+49 (0) 40 736 76 86 - 44), Mondays to Fridays from 9:00 to 17:30, German local time



All information courtesy of be quiet! @ http://www.bequiet.com/en/casefans/448 and @ http://www.bequiet.com/en/casefans/260

  1. be quiet! 140mm Silent & Pure Wings 2 Case Fans: Introduction & Closer Look
  2. be quiet! 140mm Silent & Pure Wings 2 Case Fans: Specifications & Features
  3. be quiet! 140mm Silent & Pure Wings 2 Case Fans: Testing
  4. be quiet! 140mm Silent & Pure Wings 2 Case Fans: Conclusion
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