A complete guide by on working with Dry Ice so you can reach sub zero temperatures with your CPU and graphics card. Details on building containers, where to buy Dry Ice and important tips and tricks.
The goal of this article is to provide you with an extensive howto on cooling your PC with Dry Ice, including info on where to obtain it and how to build cooling-containers to mount on your CPU and/or GPU (graphics card).
First a little bit of background information on Dry Ice:
is frozen carbon dioxide
has a surface temperature of -109F/-78.5C
has the advantage of sublimation, as it turns directly from solid state to carbon dioxide gas, skipping the liquid phase. This is really good as you don’t need a bleeding valve!
can be obtained in the form of pellets or big blocks which can be easily broken into smaller pieces with a hammer.
Why use Dry Ice?
For overclocking only, pure and simple. It is not usable for daily 24/7 cooling, it’s mostly used by those people who like to push their PC to a higher speed. By using subzero cooling you can obtain impressive overclocks. Dry Ice will provide you better performance than air- and water-cooling, as well as single stage phase change cooling setups.
Due to its low cost and lower risk than LN2 it can be used easily in a wide variety of environments, cascaded phase change setups are more expensive and require a higher technical barrier as they are not available off-the-shelve.
Where to get Dry Ice?
Here in Belgium it's not that easy to get Dry ice, there are 2 places I know of, if you know places where they sell Dry Ice, be it in Europe or elsewhere, please do share them in our forums and I’ll update the list here.
Belgium - ijsblokjes.be: A supplier which delivers Pellets at your doorstep. - Praxair: A large company located near Antwerp (Schoten), which sells Dry Ice in blocks. - Praxair Dep. KEMPEN / Nijverheidsstraat 4 / 2260 OEVEL / 014/25.06.03
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