Technibble reveals the theory behind airflow in cases and how to best utilize it.  Without getting incredibly technical, they show why a sealed negative case is the worst possible situation and why unsealed positive is the best way to go … plus explaining what those terms mean.
“Keeping a computer running coolly isn’t just about placing a giant heatsink on the hotspot – although it undoubtedly helps. Just shifting the same stale air around isn’t going to help keep the components cool, in fact, it’ll only heat them up. So, aside from on-site planning, you need a bit of global planning as well to insure you have a cool computer case. After all, you have a CPU, a GPU and a power supply to cool in there.”

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