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What in gods name...

post #1 of 3
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...are all of these different liquid-based cooling solutions?

I know what Water Cooling is but what the fudecakes is Peltier/TEC and Phase Change? Besides REALLY expensive? lol

From what I've looked at Phase change looks like an industrial cooling solution...

What does TEC stand for and what is it?

That and is this more of a hobby or is there a sound cost:benefit ratio?
    
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post #2 of 3
TEC (stands for Thermoelectric Cooling and is also known as Peltier) and Phase change are not water-based systems in the traditional sense. You'd be better off classifying them as sub-ambient cooling systems, which is where rather than spreading the heat, you push it along, resulting in colder-than-room-temperature temps, and therefore need to watch for condensation. Water condenses if it in its vapor form hits something colder than itself, and it looks as if "dew" has formed. Due to this, you need to seal off your motherboard and CPU area so no condensation reaches electric components and short-circuits them.

TECs move heat from one side of the plate to the other, so the hot side needs to be cooled, too. This is most often done with water cooling, and because TECs actually generate heat (i.e. the hot side has more of a temperature difference to room temp than the cold side), if they are not cooled properly, they hinder cooling performance. TECs are a lot cheaper and smaller than phase change cooling, and is the most practical "extreme cooling" method, and a nice 200W plate can be had for around $40.

Phase, on the other hand, is much bigger, bulkier, and more expensive, and harder to set up. In addition, it can get very cold (-150°C or less), and cold-bugged chips (e.g. some CABGE stepping AMD Venices, which lock up under extremely cold conditions) and some thermal interfaces (e.g. Arctic Silver 5, but not Arctic Silver Ceramique) have problems at those temperatures.

Phase is more of a hobby, but I can see a good cost/effort:benefit ratio to TECs, especially if they are set only to run if the CPU heats up above ambient, so condensation proofing is not needed, or if they are designed so that they cool down the ambient temps (CPU temps will go down with the ambients). But these two cooling devices are never practical outside of "extreme cooling," i.e. even if Dad needs a new rig that will blow his video editing software out of the water, TEC is still not for him. Just go for great air cooling, as it will outperform even some watercooling solutions. I hope I have helped.
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post #3 of 3
phase: uses evaporation to cool well below the freezing point of water.
TEC, ThermoElectric Cooler, also called a Peltier, is a device that pumps heat from one side to another making one side cold and the other hot. cooling the hot side means lower temps on the cold side. this device requires lots of power, as does the phase cooling BTW.
both methods are extremely effective as PC cooling, if used properly.

aaahrg. beat me to it -_-
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