Pumpless 240mm AiO cooler is only 8C behind traditional pump-powered rival in tests

Der8auer showed off a prototype pumpless AiO from a company called Wieland. This CPU cooler relies on the thermosyphon effect, and isn’t far behind a traditional AiO in performance. 

Der8auer showed off a prototype pumpless AiO from a company called Wieland. This CPU cooler relies on the thermosyphon effect, and isn’t far behind a traditional AiO in performance.