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Discussion about air-cooled peltiers

post #1 of 4
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From what I've been reading, it is not a very popular thing to use a peltier with an air cooler. Most people say that water is the only way to go.

However I think there is some potential in air cooler peltiers. Firstly, there is a cooler called "Titan Amanda." This cooler to my knowledge uses a 60watt peltier that operates at 50watts to cool the CPU, and uses a 4 heatpipe based air cooler to cool the hot side. Reviews are reasonable, and a person claims that at 2.9ghz on a AMD X2 chip, temps reached <46 C at 60% load. Another user says they had 45 C load at 2.6 ghz on a single core CPU. A review on X-bit labs shows it performs almost the same as a big typhoon.
http://www.xbitlabs.com/articles/coo..._10.html#sect2

So the first point to be made would that a 60watt peltier can cool as effectively as a good air cooler. Does this mean a higher wattage peltier could be used here? If the air cooler on that can dissipate the heat from the 60watt peltier, then a better air cooler should dissipate the heat from a higher wattage peltier.

So the question is, is how high a wattage peltier today could be used with a good air cooler at the moment? Testing would be neccessary I think, does anyone have any info on this?
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post #2 of 4
you might get decent performance if you slapped a pelt on a thermalright 120 extreme.
but dont expect it to handle a 226W
post #3 of 4
Nope, air cooled TEC (like the Titan) perform worse than highend air coolers under load. TECs are extremely load dependent. Also, TECs are insulators if the load exceeds their power. In addition, TECs are inefficient... so you need about 50% more power to cool. A 60w TEC would actually be only move like 40w. Any additional heats over 40w and the TEC would just be adding heat into the system.

No current aircool HSF can effectively deal with the 300-400w needed to cool current processors.
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post #4 of 4
you could cool your chipsets with it. lol.
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