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Aside from the fact that it has a fan embedded in it, the design
of the heatsink is nothing special. It is quite similar to Thermalright's XP-90
and XP-120 heatsinks. The
fan blows down on a bed of fins that extend upwards from the base. Four
heatpipes help to distribute heat evenly across the fins.
The fins are quite tightly spaced, and, unlike Zalman's flower
heatsinks, they do not have the advantage of being more widely spaced away from
the center of the heatsink. All of the fins are aluminum (no hybrid AlCu model
here), allowing the weight to be kept to a minimum. At 350 grams, the CNPS8000
is lighter than most other aftermarket heatsinks.
The fan is embedded into the body of the heatsink.
The body of the heatsink is very rigid. The fins do not hang from the heatpipes
like they do on several other heatsinks; they are firmly attached to the base
of the heatsink, maximizing surface area of the fins while keeping height to
a minimum. However, without a clear exhaust path for the air, the most central
fins are unlikely to be very effective.
The fins are fixed at the base.
Four heatpipes are used.
The base is made of machined copper, and is smooth enough to be serviceable.
A certain amount of grain is visible in the surface, but it could not be felt
with a fingernail and is unlikely to affect performance.
Some grain is visible in the base.
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