AIO cooler prototype replaces pump with thermosyphon

Wieland, a German manufacturer of semi-finished products, has developed a CPU liquid cooler prototype that uses a thermosyphon instead of a pump. In a recent video, Der8auer compared the Wieland prototype cooler's performance against that of a regular Corsair AIO 240 CPU cooler to test how it performs compared to a similarly sized standard AIO.

Unlike the standard AIO coolers, the Wieland cooler does not need a pump since it uses a different heat exchange approach. This technology is widely used in heat pumps, water heaters, boilers, and solar water heaters as a viable alternative form of heat exchange that does not require a mechanical pump to move the liquid within.

According to Der8auer, the prototype cooler supports recent Intel and AMD sockets such as LGA1700 and AM5. It is worth noting that the present version is just a prototype, so the design may look completely different if it hits the market. Der8auer swapped the prototype's fans with those from his Corsair cooler to keep the same features for his tests.

During gaming loads, the Wieland cooler kept the CPU at a temperature comparable to the Corsair AIO cooler, although the Cinebench R23 stress test results favoured Corsair. In this specific test, the Wieland cooler achieved a maximum temperature of around 78°C, whereas the Corsair AIO cooler reached a maximum temperature of 70°C. As such, the CPU paired with the prototype wasn't operating as fast and thus consumed less power.

Wieland's main benefit is the absence of mechanical components, which reduces the possibility of failure and lowers the noise level since there is no pump to make noise, leaving the fans as the only noise source. However, a few aspects might have to be addressed before it is ready for the market, namely sealing the gaps on the radiator's sides and using a copper cold plate rather than an aluminium one.

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KitGuru says: Do you think Wieland's prototype is on the right track to create a viable alternative to current AIO liquid cooling solutions?

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