DesertRat

Mineral oil would work and has been done many times previously to varying degrees of success and performance.

As far as the "non-conductive" coolants... I believe in a fully submerged situation they'd begin to become capacitive and cause issues, I could be way off here tho.

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Shrimpykins

Any coolant will strip ions away from the material in the loop and become conductive very quickly. Any coolant marketed as "non-conductive" is only non-conductive fresh out of the bottle. When it is put to use, just like any other coolant, it becomes conductive. By coolants I refer to coolants marketed for water cooling, not just any coolant, for instance mineral oil will not become conductive. You would need a solid chain of large particles in a mineral oil bath in order to complete circuit.

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drjoey1500

Maybe there is a way to sterilize it, and get it sealed in a tank with only pure distilled water.

Supposing something is plausible, just test it out on an old computer. I'm sure most of us have several old worthless computers laying around in the attic .

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Tristanguy1224

I once used vegetable oil..... it worked.... but after months I'm still pulling congealed nasty oil out of slots.... it was a horrible idea but it worked great

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Dilyn

I've yet to try this, but it makes this entire thing seem completely plausible:

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gashi

it is plausible but if a liquid does become conductive over time what about cycling they liquid through a sort of de-ionizer type deal i know they are out there also a filtering agent to get rid of the dust you could in theory use a ion charged air filter that will filter dust from the air getting into the rig but the question that comes out of that would the air that comes into the machine be charged and therefore double the rate that the liquid would become charged and need more de-ionizing filtering quicker

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NETio

That video has a computer in mineral oil, which has been done many times before. You can also cool a PSU like this in a normal case. To cool a respectable rig you still need a pump and some sort of heat exchanger (normally a radiator). There is one company that makes a i7 submerged PC with special blocks on the CPU and GPUs and pumps as well as a special heat exchanger built in the case. It also uses SSDs rather than conventional HDDs (which cannot be submerged). Given, that PC sells for over 8 grand.

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