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Originally Posted by Dunc When adding fans beyond what is supplied as standard are there any rules-of-thumb to suggest airflow direction? Should it be equal volume in-out, case positive pressure (more fans blowing in than out) or case negative pressure? |
Positive case pressure is usually better, however there are a few scenarios where negative pressure is more beneficial.
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Originally Posted by Dunc When adding additional fans to a case (cutting openings) assuming that there is adequate space should additions be prioritized to the side(s), top, or bottom? Inlets towards the bottom & outlets near the top (heat rises)? |
Side fans generally pose more of an acoustic liability, but a side intake can drastically reduce GPU temps depending on configuration.
I would still prioritize top and bottom holes over a side fan though. But it would also depend on your case.
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Originally Posted by Dunc Is there a science to this or is it pretty much luck? |
Not much science, not much luck, more like trial and error. Which is sort of like science I guess.