PCI cooler for 670...

grebgonebad · May 10, 2013

Hi everyone!

I recently upgraded my system, and am running 2 x EVGA FTW 670's in SLI. After OC'ing both cards my temps now reach around 75 degrees under load when playing intensive games like Crysis 3. While I understand that this is nothing major to worry about as these cards can still run at 80 degrees, (Or 85 as I have seen when running benchmarks! XD) I would like to keep them a little cooler just be be safe. I am looking at buying a couple of PCI coolers that will draw air in from the rear of my case, and expell it into the intake of the card's cooler. However, I can only find coolers that are about 100mm in length. The cooler on these particular 670's are at the very end of the 250mm long card. Are there any longer PCI coolers out there?

Thanks in advance for any help!

ThomasJ93 · May 10, 2013

Isn't it an option to add some casefans in your case? I'm not a big fan of those pci slot coolers.

ShadyHamster · May 10, 2013

Wouldn't a pci fan draw in warmer air exhausted by the graphics cards? (assuming you have blower type coolers)
You would be better off adding a case fan to the bottom or side panel to draw in cooler air

grebgonebad · May 10, 2013

Hi! Thanks for both of your speedy replies!

I have already maxed out the amount of case fans I can have installed in my case unfortunately. I currently am running 8 x 120mm high performance fans.

As far as a PCI fan intaking warm exhaust air, this is not a problem as I have some tubing that carries the air from the exhaust's of the cards and out of my window, as my room simply gets too hot otherwise! lol.

I would prefer to use a couple of PCI coolers, (One for each card) as this would enable cooler air to be blown directly into the intake of the cards. I have the space to install them, I just need to find one that is long enough.

J_E_D_70 · May 10, 2013

I built a wind tunnel out of heavy cardboard extending from a case bottom 120MM intake directly to my 670's intake to feed it plenty of fresh air and it didn't change temps a single degree. You may have better luck with a non-reference like the FTW.

grebgonebad · May 10, 2013

Hi J_E_D_70, thanks for your reply!

I do actually have a bottom mounted 120mm intake, which does help with the cooling of the bottom card somewhat, (My PSU cables block 40% of the fan, no matter how good my cable managment skills are. XD) however it still reaches temperatures of 80 degrees plus under testing, and I still have the problem of cooling the top card, which tops out at around 87 degrees under extreme testing.

J_E_D_70 · May 10, 2013

Worst that happens (I think...) is you try the slot coolers and they don't work. Please let us know how it goes!

grebgonebad · May 10, 2013

I will make sure to post my results if I can find a PCI cooler that is long enough. =) In the meantime however I think I'll have to start saving a few hundred £'s for a watercooling loop!

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