What fan speed would you recommend, that won't be all that harmful to the fans over the next couple of years?

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Jackunpack

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Dec 29, 2013
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Hey. I've got a Phantom 820 case with the included fans and no other cooling (for now). I recently got a hold of a GTX 780ti which is performing beyond my expectations at the moment. The only problem is its temperatures. While playing something performance-heavy it goes up to around 80-85 degrees (C). I know this temperature is absolutely fine and the card is perfectly capable of handling it (max temp is 95 if I'm not mistaken) but I like to keep it around 65-75. Naturally, I started tweaking a bit in msi Afterburner and cranked the fan speed up to around 60%. The temperature is more around 70 and I'm happy.
What I was wondering was whether this will reduce the life-span of my fans? My last case had fans that were completely run down by the end. I won't go past 65% fan speed but I worry that even this could be harmful in the long run.
Am I just being silly or should I instead accept the higher temperature?
 
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BlankInsanity
sounds like you have a reference GTX 780ti, or you live somewhere hot like me(Caribbean). If you live somwhere hot don't expect to get your card in the 65-70 era. My Gigabyte GTX 770 doesn't go beyond 78c but never gets to 65C under load, even with the A/C set to 23C, then the card doesn't go beyond 72-75C. Anyway unto your topic. Fans are made to run 100% when you look at the lifespan on the spec page of a fan that is the lifespan determined if you ran it at 100% so no need to worry about that.

Hell if you ran at your card at 100% you wouldn't deter its lifespan in the slighest, and in my book its better to have a cool card at the expense of loud fans, not saying you should run your fan at 100% just keep your temps adequate and not...
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EasyLover

EasyLover

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Dec 30, 2013
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One of the possible reasons for high temps is bad air flow. You need to ensure the proper inflow of fresh air directly onto the GPU while at a same time making sure to exhaust the hot air.

My 780Ti under load never crossed 84. It is the max it hits, normally it remains lower than 80 with all default settings in PrecisionX. Just make sure that you have a proper air flow in the case.

Fan speed upto 65% won't do any damage though.
 
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maddogfargo

maddogfargo

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Nov 28, 2006
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Bearing type and quality are more important for fan longevity than operational RPM. And different types have different noise characteristics.

Ball bearings last a long time, but are the loudest. These are usually used in server and enterprise cooling solutions.

Fluid/Hydro bearings last almost as long, and are usually quieter. But not all are of equal quality. Sometimes when these dry out they can be re-lubricated, depending on manufacturer.

Sleeve bearings are quietest, but usually have the shortest lifespan.
 
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BlankInsanity

BlankInsanity

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Oct 14, 2013
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sounds like you have a reference GTX 780ti, or you live somewhere hot like me(Caribbean). If you live somwhere hot don't expect to get your card in the 65-70 era. My Gigabyte GTX 770 doesn't go beyond 78c but never gets to 65C under load, even with the A/C set to 23C, then the card doesn't go beyond 72-75C. Anyway unto your topic. Fans are made to run 100% when you look at the lifespan on the spec page of a fan that is the lifespan determined if you ran it at 100% so no need to worry about that.

Hell if you ran at your card at 100% you wouldn't deter its lifespan in the slighest, and in my book its better to have a cool card at the expense of loud fans, not saying you should run your fan at 100% just keep your temps adequate and not lying in the >80C area.
 
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