Inside,
the Dimension 2400 is neat, with everything folded tidily out
of the way (shown with CPU and heatsink removed).
A massive green plastic wind
tunnel shrouds the equally massive passive aluminum heat sink which
is affixed to the processor.
A large, slow 120mm fan fixed
to the rear of the case vents the heat away from the processor, and is the
reason why the Dimension 2400 is so quiet. If you remove the wind tunnel
mechanism, you will find the fan mounted onto the inside of the case with
rubber, vibration dampening posts. The fan is equipped with a temperature
sensing thermistor, indicating that its speed is dependent on system
temperature.
With
essentially just one fan cooling all the internal components of this
PC, this goes a long way in explaining the almost eerie quietness of the
whole PC. It's worth noting that the edge of the aluminum CPU heatsink remained
mostly cool to the touch during operation.
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