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CoolJag SFO-H Copper A64 Heatsinks Review

Cooling/CPU Cooling by SidneyWong @ 2005-08-10

When all heatsinks are becoming vertical giants with heatpipes and minimum 120mm fan, you would think heatsink will be the size of your case to keep your processor running smoothly. Cooljag has been manufacturing heatsinks for quite sometime, perhaps longer than many of the giant builders we have come to know recently. SFO-H is the name, with all copper in a ?normal size? that won?t require motherboard removal, and a surprising small 70mm fan. Can it perform is the question... Shall we find out?

Installation

Installation :

Installation is strict forward without the need to remove motherboard. First, remove the two screws holding the retention bracket; gently place the heatsink onto the existing bracket after thermal paste application. Reinstalling the two screws and connecting the fan 3-pin connector to the board CPU fan header, you are ready to fire up.

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The base finish is flat and smooth; I don't think further lapping is necessary for this heatsink.

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The skiving fin process involves more "work" and cost more than the recent heatpipe to fin brazing/solder process. It would be similar to milling versus stamping manufacturing process with the former costing a lot more in terms of labor.

After a closer look, I found an 80mm fan could be installed easily simply by drilling another four mounting holes. I did "screw" up one of the holes (upper right).

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Reason behind the modification is to find out the difference if any in using the original 70mm versus 80mm fan.

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Onto the fun part - testing ->

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