I'm sold on the idea of cutting a blow-hole in the top panel of all my atx cases for a quiet 120mm fan. However, I've always been concerned with the negative pressure in the case that would slow the venting of the PSU. My latest idea is to reverse the direction of the PSU fan to vent upward to the blowhole.
Some of my PSUs have a fan that is aimed downward, sucking air inward and out the back. I could reverse the fans and mount the PSU upside down. That way the negative pressure would assist the PSU fans to draw the air in from the back and upward to the 120mm fan.
Anyone see any problems with that?
Of course, if the PSU has only one fan pointed outward, the reversal would not give a clear destination of where inside the case the warm air would exit. I can't say I would like to do the fan reversal for that kind of PSU.
EDIT: Nuts, I forgot the holding screw placement isn't symetrical. I'd have to cut and thread custom holes in the PSU. Well :roll: it was a good idea.
Some of my PSUs have a fan that is aimed downward, sucking air inward and out the back. I could reverse the fans and mount the PSU upside down. That way the negative pressure would assist the PSU fans to draw the air in from the back and upward to the 120mm fan.
Anyone see any problems with that?
Of course, if the PSU has only one fan pointed outward, the reversal would not give a clear destination of where inside the case the warm air would exit. I can't say I would like to do the fan reversal for that kind of PSU.
EDIT: Nuts, I forgot the holding screw placement isn't symetrical. I'd have to cut and thread custom holes in the PSU. Well :roll: it was a good idea.