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AIRFLOW
As mentioned earlier, the 120mm and 140mm TriCool (3-speed) fans are set up for exhaust. For exhaust fans to work, there must be intake vents, and for ideal airflow, the intake and exhaust vents should be roughly the same in area. The location of the intake vents also determines the path of the airflow through the case.
In the Fusion Remote Max, the air is sucked through the main chamber
from multiple sources — the vent on the top panel over the video card slots,
the rear intake over the PCI card area, any unused PCI slots, and the filtered
vent under the center drive bay. With such a variety of different intakes, the
air should flow across all of the components in the motherboard compartment
before being evacuated by the fans. The basic concept is very similar to that
used in the Fusion/NSK2400.
The bottom intake vents, which should really be the most important
ones, are somewhat compromised by the dust filter holder assembly. In the Fusion/NSK2400,
the bottom portion of the HDD cage is more or less directly exposed and open,
which makes for a very low impedance path for air flowing in, as shown in the
photo below.
Central HDD bay in Fusion/NSK2400.
In the Fusion Max, it's not as open. As the photos below show,
a certain degree of impedance is caused by the filters and the frames needed
to allow the filters to slide in and out. We'll discover later whether this
extra impedance has any serious consequence.
Center HDD vent in Fusion Max.
Center HDD vent in Fusion Max - another view.
Left HDD vent in Fusion Max.
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