Looking at the side of KuFormual VF1 VGA Cooler you can see that
the fins on the heatsink are actually boxed in, so when the fan blow air
across and through the heatsink it is given a guide to insure that the
maximum amount of air travels across the warmest part of the heatsink.
The one thing I would have liked to have seen is that the fins would have
been soldered to the heatpipe, this would have insure a greater transfer of
heat from the heatpipes to the fins.
The base of the heatsink has a remarkable finish on it, not so much shine
and beauty but absolutely smooth and using a machinist rule it appears to be
perfectly flat. There are no machine marks or nicks noticeable on the
base so only a small amount of thermal paste will be required to get a good
contact with our GPU. The actually size of the contact surface
measures 30mm x 30mm which means it is large enough to cover most GPUs.
The bracket you see here is fits into a PCI slot opening at
the rear of your case and from this bracket the squirrel cage fan will be
mounted and directed to point at the heatsink once it is mounted
onto the video card.
Located
at the rear of the bracket you will find a slider switch that controls the
speed of the fan, you can also see the 3-pin fan header where the 2-wire
header from fan motor is attached to the switched and the stepping resistors
which are mounted on a single small piece of perf board.
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