PC cabinet ventilation advice needed.

Pentagano

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I have just added a large gpu to my cabinet. It only has 1 rear fan and would like to add some extra airflow.

Now there is a magnetic filter on the top with what looks like holes to place fans but the air is being drawn in here. The front has a plastic cover with lights (unused). Not sure if there are fan brackets at the front.

Where would I install 1-2 extra fans? I suppose I need to verify if there are brackets at the front.

if I install fans on the top should they be blowing out? (guess that depends if there is an air gap at the front to draw air in.

Thanks!
 

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Pentagano

Pulling my weight
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Removed the front - Just the insides of the box behind, no brackets for fans.
So air is drawn in from the top. hmm. A fan pushing down will just push dust in. Maybe one pushing out. Not so efficient. A new cabinet may be better with fans on the front and back
 

nosnim

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Hot/warm air naturally rises so typically you would want to push(exhaust) hot/warm air out from the top. A fan to push hot/warm air out the top would be ideal. The back fan should be exhaust too. Cooler air would be pulled in (assisted/unassisted) from any vents that you case may have at the bottom, front and/or sides.
 
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