Enthusiast builds custom PC side panel with 15 Noctua fans

What do you get when you attach 15 fans to your gaming PC's side panels? WAY lower temperatures, of course.
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Bulbous 15x fan PC case side panel dubbed the 'Superdome' lowers temps by 20 degrees

A TechTuber has constructed a bulbous 15x fan PC case side panel as a cooling experiment. It seems to do a good job.