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It will work, just don't expect great CPU temps unless you can find a way to force the airflow through the heat sink. The airflow from a fan will not penetrate between thin heat sink fins unless it has no where else to go.I don't see how you could duct all airflow from a 200mm fan down to an 80mm heat sink without adding a tonne of volume to the case with the required funnel/duct.But you could probably create an exit airflow path that only allowed air to exit the case by fist passing through the heat sink, [USER=47]@confusis[/USER] may of been referring to some kind of dam system like this:Not sure how feasible it would be to add walls like this on top of the motherboard, but so long as the case was sealed up and the only exit route for air was through the heatsink first then it would force air through the fins and work very efficiently.
It will work, just don't expect great CPU temps unless you can find a way to force the airflow through the heat sink. The airflow from a fan will not penetrate between thin heat sink fins unless it has no where else to go.
I don't see how you could duct all airflow from a 200mm fan down to an 80mm heat sink without adding a tonne of volume to the case with the required funnel/duct.
But you could probably create an exit airflow path that only allowed air to exit the case by fist passing through the heat sink, [USER=47]@confusis[/USER] may of been referring to some kind of dam system like this:
Not sure how feasible it would be to add walls like this on top of the motherboard, but so long as the case was sealed up and the only exit route for air was through the heatsink first then it would force air through the fins and work very efficiently.
