this post was submitted on 16 Mar 2026
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cross-posted from: https://sh.itjust.works/post/46256923

why don't they just do this? are they stupid?

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[–] unexposedhazard@discuss.tchncs.de 3 points 1 day ago (1 children)

This doesnt work with dense fin stacks though, because there is not enough pressure to push the air in between the fins. This would only work with very low power systems or heatsinks specifically designed for this kind of fan.

[–] Wildmimic@anarchist.nexus 5 points 1 day ago (1 children)

I have to disagree, i have worked around overheating pc components in gaming machines with taking off the case wall and pointing a room fan at it more times than i went to admit. This works fine, even if it's an ugly solution and literally a "hotfix"

[–] unexposedhazard@discuss.tchncs.de 3 points 1 day ago* (last edited 1 day ago) (1 children)

Oh yeah for sure it improves things over a closed case, but its not gonna replace your CPU fan is what i meant. The big fan just removes the hot ambient air and allows the cpu/gpu fans to get access to cooler air.

[–] mushroommunk@lemmy.today 1 points 1 day ago (1 children)

This isn't meant to replace internal fans, just case fans like in the picture

Not really clear as you cant see inside case but fair enough.