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2. Computer fan control - Wikipedia

   en.wikipedia.org/wiki/Computer_fan_control

   Fan assemblies with this control input provide the ability to adjust the rotational speed of the fan without changing the input voltage delivered to the cooling fan assembly. A variable rotation speed allows the cooling rate to be adjusted to meet demand, quietening the fan and saving energy when full speed is not required.

3. Computer fan - Wikipedia

   en.wikipedia.org/wiki/Computer_fan

   Axial fans may rotate at speeds of up to around 38,000 rpm for smaller sizes. [23] Fans may be controlled by sensors and circuits that reduce their speed when temperature is not high, leading to quieter operation, longer life, and lower power consumption than fixed-speed fans. Fan lifetimes are usually quoted under the assumption of running at ...

4. Computer cooling - Wikipedia

   en.wikipedia.org/wiki/Computer_cooling

   Fans are used when natural convection is insufficient to remove heat. Fans may be fitted to the computer case or attached to CPUs, GPUs, chipsets, power supply units (PSUs), hard drives, or as cards plugged into an expansion slot. Common fan sizes include 40, 60, 80, 92, 120, and 140 mm. 200, 230, 250 and 300 mm fans are sometimes used in high ...

5. Specific fan power - Wikipedia

   en.wikipedia.org/wiki/Specific_fan_power

   The efficiency is a function of the total losses in the fan system, including aerodynamic losses in the fan, friction losses in the drive (e.g. belt), losses in the electric motor, and variable speed drive power electronics. For more insight into how to maximise energy efficiency and minimize noise in fan systems, see ref.1

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. be quiet! - Wikipedia

   en.wikipedia.org/wiki/Be_quiet!

   In addition, case fan models were produced with and without the PWM function in mounting sizes from 80 to 140 millimeters. In 2015, the be quiet! In 2015, the be quiet! Pure Wings 2 case fan series won the European Hardware Awards, [ 15 ] an annual selection of the very best hardware products available in the European market.