Product Comparison: be quiet! Silent Wings 3 (BL071) vs be quiet! Shadow Wings 2 (BL086)

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General Specifications
Be quiet!
Be quiet!
Shadow Wings 2 (BL086)
About the Product
Be quiet! Shadow Wings 2 140mm offers whisper-quiet operation and reliable cooling at low revolutions per minute. It is especially recommended for use in very silent PC builds.
Key Specs
Fan Bearing Technology
Fluid Dynamic Bearing
Rifle Bearing
Max. Airflow
49.8 CFM
900 RPM
What customers say about "Key Specs"
be quiet! Silent Wings 3 (BL071) 140mm PWM High-Speed Cooling Fan
  • Airflow is impressive and mounting them was super simple.
  • It has good airflow. Highly recommend.
  • The airflow is really very good.
  • Great fans. Great airflow and really quiet.
  • Ideal for a good airflow in the PC case!
be quiet! Shadow Wings 2 (BL086) 140mm Silent Computer Fans
  • Super quiet and pushes enough air out of the case.
  • I am satisfied with build quality and airflow.
  • The airflow is very good for a low speed.
  • The fan is only 900 RPM so don't expect it to be able to push air through a fin stack on a radiator.
  • The speed is too low and the airflow is weak.
Size & Weight
5.51 in.
5.51 in.
5.51 in.
5.51 in.
0.98 in.
0.98 in.
6.03 oz.
6.17 oz.
Number of Coolers
Fan Size
140 mm
140 mm
Push pin fixing, 6-pole fan motor, Screw fixing, Seven fan blades
4-pole fan motor, Push pin fixing, Low-Noise Design, Anti-vibration mounting system, Rubberized fan frame
Noise Level
14.7 dB
What customers say about "Features"
be quiet! Silent Wings 3 (BL071) 140mm PWM High-Speed Cooling Fan
  • They're super quiet even at full speed.
  • They keep cool, damn quiet and feel high quality.
  • That's great. These fans are absolutely quiet.
  • These are quiet as hell, and move a good amount of air.
  • Very quiet and easy to install. Well worth every penny I spent.
be quiet! Shadow Wings 2 (BL086) 140mm Silent Computer Fans
  • Effective and quiet. Great fan.
  • The Be Quiet fan has a nice build quality, ample cable connector length.
  • Even spun up to max, they are nearly silent.
  • I even set the speed to its max 900 rpms and it was super quiet.
  • They are very well made and the rubber bumpers really help to silence any potential vibrations.
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Other Information

Price History

Other reviews