The Fans
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Most computer parts are sensitive against heat. For maintaining air
circulation inside the system unit and thereby cooling the crucial
things inside there are several fans built in.
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A normal PC usually has got three fans: one inside the
power supply, one on top of the
CPU, and one in the chassis behind the system
unit's front.
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A Papst® fan for the chassis
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For cost cutting purposes many manufacturers do not install the chassis
fan. For the sake of protecting the much more expensive hardware,
however, it should be in!
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