When it comes to liquid cooling you typically need a pump to move the coolant through the loop and fans to dissipate the heat collected in the radiator. Well Raijintek has done away with both of those things to create the worlds first passive liquid cooler.
So how does this work? It it much like a heat pipe, but you have a combination of convention and phase-change doing the heavy lifting of the heat transfer. Heat generated by your CPU causes the special coolant change phase to vapor, move up to the heat exchanger (radiator), where then it condenses back to liquid and flows back down to the block.
The guys at eTeknix have a video of it in action, which you can see below.
As you can see this technology does work. Raijintek has spent quite a lot of R&D budget to develop this technology and has it patented in most markets. Products based on this technology could be coming very soon.
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