Noctua is known for its iconic brown fans and traditional air coolers, but now it is venturing into the realm of liquid cooling. At a recent event in Japan, founder Roland Mossig displayed a prototype of a revolutionary pumpless thermosiphon cooling unit, projecting a launch for 2026.

This innovative design operates using a vapor chamber effect, utilizing CPU heat to evaporate a refrigerant that then rises through a vapor tube into a fan-cooled condenser. This process eliminates the need for a pump entirely, aiming to enhance reliability and reduce potential noise nuisances found in conventional cooling systems.

“When we release it, it will be a product that delivers performance that will satisfy our customers,” Mossig stated. The product could be commercially available by 2026 if development proceeds smoothly.

Additionally, this new approach might allow for AIO-level performance without many drawbacks associated with traditional cooling setups. However, it requires special radiator positioning, mounted above the CPU, differing from standard AIO systems.

Mossig mentioned that even though R&D costs could be high, if priced competitively, it could prove to be an appealing option amid growing user skepticism concerning pump noises and mechanical reliability in liquid cooling systems.