Product Comparison: be quiet! Pure Wings 2 (BL046) vs be quiet! Silent Wings 3 (BL070)

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General Specifications
Be quiet!
Be quiet!
Pure Wings 2 (BL046)
Silent Wings 3 (BL070)
About the Product
The pure Wings 2 fans bring famous be quiet! Silent cooling to entry level computing, yet are also appropriate for gaming and multimedia systems. Combining outstanding reliability, quiet operation, and a great price-for-performance ratio, pure Wings 2 are unique in its class.
Be quiet! silent Wings 3 120mm PWN high-speed stands for state of the art technology and virtually inaudible operation. The extremely High Air pressure produced makes it a perfect choice for powerful water- and air-cooled systems.
Key Specs
Fan Bearing Technology
Rifle Bearing
Fluid Dynamic Bearing
Max. Airflow
51.4 CFM
73.33 CFM
1500 RPM
2200 RPM
What customers say about "Key Specs"
be quiet! Pure Wings 2 (BL046) 120mm Cooling Fan
  • It runs a very acceptable speed and provides excellent airflow throughout my computer system.
  • Good airflow and very quiet.
  • Really quiet but still moves plenty of air.
  • They spin up to 1500 rpm which is great.
  • They are quiet and move more air than the Cooler Master 120mm they replace.
be quiet! Silent Wings 3 (BL070) 120mm PWM High-Speed Cooling Fan
  • They are certainly quiet and provide excellent airflow.
  • They push a lot of air with good pressure due to awesome design and look great while doing it.
  • These move an absolutely amazing amount of air even at 800rpm.
  • They're quiet, look good, and blow a lot of air.
  • Fan works very quiet and pushes lots of air out.
Size & Weight
4.72 in.
4.72 in.
4.72 in.
4.72 in.
0.98 in.
0.98 in.
4.58 oz.
5 oz.
Number of Coolers
Noise Level
19.2 dB
28.6 dB
Screw fixing, 4-pole fan motor, 9 Fan Blade Design
6-pole fan motor, Seven fan blades
What customers say about "Features"
be quiet! Pure Wings 2 (BL046) 120mm Cooling Fan
  • Super quiet, easy to install.
  • The power cable was plenty long to route it behind the motherboard tray to my fan controller and I have no complaints.
  • Excellent case cooling fan, very quiet and seems to shift plenty of air.
  • This fan is very good for the price, it's very quiet.
  • It's literally silent even at max speed.
be quiet! Silent Wings 3 (BL070) 120mm PWM High-Speed Cooling Fan
  • Works well and sounds quiet. Worth getting.
  • They are relatively quiet and I love it.
  • They move a lot of air and keep the temps down.
  • These fans are far more quiet than my stock fans ever were.
  • This fan is great. Highly recommended.
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Other Information

Other reviews