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2. Computer fan - Wikipedia

   en.wikipedia.org/wiki/Computer_fan

   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 maximum speed and at a fixed ambient temperature.

3. Computer cooling - Wikipedia

   en.wikipedia.org/wiki/Computer_cooling

   A finned air cooled heatsink with fan clipped onto a CPU, with a smaller passive heatsink without fan in the background A 3-fan heatsink mounted on a video card to maximize cooling efficiency of the GPU and surrounding components Commodore 128DCR computer's switch-mode power supply, with a user-installed 60 mm cooling fan.

4. Computer fan control - Wikipedia

   en.wikipedia.org/wiki/Computer_fan_control

   Another method of reducing the fan speed [5] is by moving the 5 V wire in the classical Molex power connector in the place of the Ground wire going to the fan, thereby delivering +7 V (12 V − 5 V = 7 V) to the fan. However, this is a potentially risky method, because +5 V PSU line is intended to source current only, not sink it, so the PSU is ...

5. Noctua (company) - Wikipedia

   en.wikipedia.org/wiki/Noctua_(company)

   Noctua is an Austrian computer hardware manufacturer of CPU coolers and computer fans with a primary focus on the enthusiast market. The company's inception occurred in 2005 through a joint venture partnership between the Austrian company Rascom Computer distribution Ges.m.b.H., established in August 2000, [2] and the Taiwanese cooling specialist Kolink International Corporation.

6. Heat sink - Wikipedia

   en.wikipedia.org/wiki/Heat_sink

   A fan-cooled heat sink on the processor of a personal computer. To the right is a smaller heat sink cooling another integrated circuit of the motherboard. Typical heatsink-fan combination found on a consumer laptop.

7. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).