Akasa Close up look at the heatsink - AK821 FrostyTech Review

Akasa AK821 From All Angles
	The Fan: The fan ships without a fan grill, and rotates at 4600RPM for noise considerations. The screws which hold the fan in place attach directly to the soft aluminum pins and so this isn't a heatsink where you would want to be swapping out fans very frequently. The fan connects to the motherboard fan header via a 3-pin connector which also supports RPM monitoring.
	Top: The cylindrical pins are 2mm in diameter and separated 2mm apart. In the entire heatsink there are 300 pins, each 40mm in height. The fan shroud helps direct airflow down into the heatsink, and as you can see in the center, the clipping mechanism doesn't cause much of a pin disturbance.
	Side A: Notice the bent pins at the corner of the fan? This is what happened to us when we reinstalled the fan back into place. The aluminum is quite soft, and bends without much effort. The aluminum base with its copper insert is just 7mm thick.
	Side B: The heatsink has a very clean look to it that makes me think it might do well as a passive cooler for the VIA Eden processor with a few modifications. In any event, the three-prong clipping mechanism works easily, and the base is undercut to provide socket cam arm clearance. With the upcoming changes the Athlon 64 will, bring this is something we won't have to worry about for very much longer.
	Heatsink Base: Akasa have nicely machined the base of this heatsink and so it is both smooth and perfectly flat. A small patch of thermal interface material has been applied so this heatsink can be installed without the need to apply anything else. For our testing purposes, we removed this patch and used a ceramic based thermal paste by CoolingFlow (our standard choice for testing because of its good thermal properties and ease of clean up).

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