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Arctic Cooling Alpine 64 Heatsink Review
Arctic Cooling Alpine 64 Heatsink Review
Abstract: The Arctic Cooling Alpine 64 heatsink is an economical lower-noise AMD Athlon64 heatsink that allows consumers on a budget an option for reducing computer noise.

 Manufacturer  Category  Published  Author 
Arctic Cooling   Cooling / Heatsinks   Feb 26, 2006   Max Page  

Home > Reviews > Page: 360° View - Arctic Cooling Alpine 64 Heatsink

360° View - Arctic Cooling Alpine 64 Heatsink
Information on Frostytech's test methodology is available here.
The Heatsink Fan:
The fan is probably the most important aspect of the Arctic Cooling Alpine 64. It is supported by four posts which connect to the motor body. The 7-bladed impeller spins freely, and utilizes AC's Fluid Dynamic bearings. Fan speed sits at 2000RPM, and so airflow is consequently 36 CFM. The fan draws power from a standard 3-pin motherboard connector that supports RPM monitoring. On a further note, the fan blades have a glossy surface finish which is somewhat unique.

Heatsink Top:
The 27 extruded aluminum fins measure roughly 42 x 98mm in size. Each fin is 0.9mm thick and spaced 2.0mm apart. This is a fairly open fin-pitch, but the reduced air resistance allows lower fan speeds to be utilized.

Heatsink Side A:
The 90mm fan intakes air, and blows it down into the aluminum fins. The warm exhaust air then exits at either side of the heatsink, where it can go on to cool northbridge chipsets, or adjacent power circuitry. The heatsink retention mechanism is dead simple, applying clamping pressure at either side of the Alpine64 heatsink. Arctic Cooling have done a good job designing the Alpine 64 for cost and cooling functionality.

Heatsink Side B:
There is a 15mm overhang on either side of the Alpine 64 for capacitor clearance. The stainless steel clips are each held in place with a single screw, so we'd advise torquing it down tight when you install this heatsink. The sides of the heatsink have also been sanded for some reason or another, given that this is an extruded heatsink this step is not really necessary.

Heatsink Base:
The effective base area of the AC Alpine64 heatsink is 53mm x 64mm in size, it has a linear sanded finish and comes with a pre-applied patch of grey MX-1 thermal compound. The aluminum is pretty flat and surface roughness is about ~63 microinches. Arctic Cooling insist the surface finish here is intentional.

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Table of Contents:

 1:  Arctic Cooling Alpine 64 Heatsink Review
 2: — 360° View - Arctic Cooling Alpine 64 Heatsink
 3:  Surface Roughness and Acoustic Comparisons
 4:  Final Heatsink Temperature Comparisons

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