Custom-built passive water-cooled PC relies on convection chimney effect powered by triple-stacked radiators — 9800X3D build with RTX 5080 has no fans, copper, and radiator chimney, but struggles to keep temperatures down

19.05.2026 12:00 Uhr, Quelle: Toms Hardware

Innovative London-based PC cooling firm Billet Labs builds and showcases a completely passive, fanless, gaming build.