Modder der8auer builds 110cm 3D-printed chimney to passively cool Ryzen 7 9800X3D without fans, cuts temps by 19C — radically simple PC mod

What if instead of relying on mechanical pressure generated by fans, you could just passively cool your PC using natural convection? That's what der8auer managed to pull off in his new experiment using the stack effect that targets a similar pressure differential but achieves it…

Source: Tom's Hardware31 July 2026 at 4:30 pm ISTrss

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Original headline: Modder der8auer builds 110cm 3D-printed chimney to passively cool Ryzen 7 9800X3D without fans, cuts temps by 19C — radically simple PC mod uses the 'stack effect'
Product category: computing
Curation state: ingested