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-   -   Better performance without hole in side panel????? (http://www.hardwarecanucks.com/forum/air-cooling/62387-better-performance-without-hole-side-panel.html)

bliz July 28, 2013 05:53 PM

Better performance without hole in side panel?????
Hey guys, i tried to put a panel to block the 25cm hole i have in my side panel ,was just a hole with no fan in it,and i tested temps,this is weird,i have -4c on the gpu with the hole blocked,but the graphics card was actually exhausting heat through that hole quite a bit !? Is that normal? Tested with 10 minute benchmarks.

Now the card is not hitting the temp target for summer :bananafunky:

Bond007 July 28, 2013 06:20 PM

It's normal. You get a more smooth flow of air (in the front/bottom and out the back/top...and hot air rises). A side fan/vent gives a spot where air comes into the case from a direction perpendicular to the flow and messes it up. People have various opinions about this, but that is mine. I blocked the side vent on my antec 300 when I bought it and tested it after I put my gtx 460 in and confirmed better temps on the gpu and CPU ( less dramatic then yours, but a couple degrees). The only way I would use a side fan is with a hot running gpu (sli gtx 480 comes to mind).

IRQ Conflict July 28, 2013 06:26 PM

I've always hear that positive case pressure is best. More air coming in than leaving as well. Not sure if that's true. But most cases come equipped for negative pressure.

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