GlacialTech Time for a close look at this heatsink

GlacialTech Igloo 2310 Heatsink From All Angles
	The Fan: The nine-bladed impeller on this 20mm thick fan only creates about 20CFM of air flow according to the manufacturers specs, but given the small size of this heatsink that should be sufficient. Oddly, the fan has been placed off center on the heatsink as you can see. The fan connects to the motherboard via a 3-pin fan header which supports RPM monitoring.
	Heatsink Top: With the fan removed for a moment you can really see what we meant about he off-center placement. This could be a good thing as this places the dead spot of the fan to one side, rather than directly over the area in contact with the processors core. The fan shroud does the usual duty of keeping the fan in place, and helping to direct airflow.
	Side A: This very simple heatsink extrusion uses 25 tapered fins of 1mm to 0.5mm in thickness. The fins are all spaced roughly 1.5mm apart and are no more than 29mm in height. The baseplate is the standard 6mm thick which most aluminum heatsinks adhere to. The shroud comes down 9mm to help direct exhaust airflow downward and over the fins.
	Side B: There are no cross cuts in the body of the 70mm long heatsink body and the fins are not scalloped or patterned. The entire heatsink has been sandblasted which has given the aluminum a nice looking finish, but it is hard to say what effect this will have on its heatspreading properties. The clip is very stiff and tight to engage.
	Heatsink Base: I really like these heatsinks which come with a preapplied swatch of thermal paste. In this case, the Igloo 2310 feature silver based thermal material and not the standard white silicon thermal paste we see everywhere. Base flatness is good, but the surface shows some deep scratches from the sanding processes. Lapping is recommended if you want to take the time.

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