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Water Cooling Performance for Half the Price

Linus Tech Tips@LinusTechTips1.6M viewsNov 21, 202012:27
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Receive a $25 credit for Ting today when you sign up at linus.ting.com Use code LINUS and get 25% off GlassWire at lmg.gg A year ago the prototype of the IceGiant ProSiphon impressed us with it's cooling performance, but does the much smaller retail unit keep up?

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The video opens by challenging a long standing idea: can a cooler be built smaller and cheaper without sacrificing performance? The host introduces IceGiant's ProSiphon Elite, a thermosiphon based cooler that aims to rival custom water cooling while remaining largely maintenance free with no moving parts. The explanation starts with a high level comparison to traditional heat pipes, highlighting the dry out problem inside heat pipes and why high wattage CPUs like AMD Threadripper 3000 series push cooling limits. The narrator then delves into how the ProSiphon Elite uses a third condenser unit to improve efficiency, allowing it to deliver performance that, in tests, matches the prototype while being smaller and quieter. We get a clear outline of how the thermosiphon works, including its gravity driven circulation and the lack of a pump, which is presented as a key reliability advantage. The segment concludes by laying out the test setup and the main claim: at a certain configuration the ProSiphon Elite can achieve temperatures competitive with high end air coolers and even intrude on AIO territory for demanding workloads.

Topics · technology · hardware · computer cooling · performance testing · reviews

Questions answered

What is a thermosiphon and how does it differ from traditional heat pipes?
A thermosiphon boils a fluid at the heat source and uses gravity to circulate it through the cooler, acting like a self contained loop with no moving parts, unlike traditional heat pipes which rely on capillary action and can dry out over time.
How did the IceGiant ProSiphon Elite perform in the Threadripper test compared to Noctua NH-U14S TR4?
In the tests the ProSiphon Elite reached temperatures very close to the prototype and delivered strong overclocking results, while the Noctua NH-U14S TR4 was used as a baseline; the ProSiphon Elite managed low 80s C under heavy load whereas traditional air coolers still showed competitive performance depending on setup.
Is the ProSiphon Elite cost effective for high end desktop CPUs versus custom water cooling?
Yes, the ProSiphon Elite is priced around $170, which is less than half the cost of many custom water cooling setups, and it still delivered comparable cooling performance under demanding loads, making it a compelling option for Threadripper class systems.