The first thing I would check is the airflow in your case.  It sounds like you might have a stagnant pocket of air where your cards are.  What is your case fan configuration and what case do you have?

Ok, i lowered the fan curve to 30% max the case is finally quiet again.
 
But the upper card maxed out with 87C(the lower 79), should i be concerned
about that, and what temps should i make sure to keep below, 80c?
 
Also, i think i can find a sweetspot here with noise/temps, but is it safe to have the
two gpu's basically hugging each other? [1/4" apart]
 
TIA
 

PhilipO48
Ok, i lowered the fan curve to 30% max the case is finally quiet again.
 
But the upper card maxed out with 87C(the lower 79), should i be concerned
about that, and what temps should i make sure to keep below, 80c?
 
Also, i think i can find a sweetspot here with noise/temps, but is it safe to have the
two gpu's basically hugging each other? [1/4" apart]
 
TIA
 

You're stuck with what you have to work with.  If you're not running the CPU cooler with it exhausting air out, that will help somewhat. It might raise your CPU temps a degree or two. As much as possible, you need to have air flow through the case. It's hard to tell, but if you could get a fan or two exhausting out the top vents that might help too.

set all case fans blowing into the case except the cpu cooler.add another fan to the cpu cooler both blowing out.

Cool GTX

PhilipO48
 Hey all,
 
 I finally added a 2nd Titan X but the fan noise is just unbearable, as i'm using a (p.o.s)
R4 Alienware case from 2 yrs ago. [next yr, after the warranty is up i'm building my custom new pc]
 
  Temp on the top card is max 81c and fan noise hits 72%
  Temp on the bottom is max 77c and fan hits 77%
 
  I could lower the fan curve to say 45% but i'm sure temps will rise to near 90c.
 
  Since these two gpu's are so close together[basically 1/4" apart] would i have room to buy
the coolers from evga for these?
 
 Now that i'm used to 4K[dsr for now] at 60fps on average it's hard to go back to even 1527p/60,
with one Titan X.
 
 But if this continues i'll just ebay the non evga card and go 4K/sli in 2016 and put that money into
my new pc.
 
 And ideas would be appeciated.
 
 TIA

 
Keep side panel off the case as in picture.  Go to local discount store and buy a box fan to blow into side of PC.
 
If pets or children are an issue ADD a fan to side of case with guard. Think 200mm if it will fit; you can put fan on outside of case with a guard if need be.  Just mark and cut the case side for the new fan - so it blows on the GPUs.

 
Make sure current case fans a set to MAX.  If they are slaved to temp. of water cooled CPU, they may be running slowly (BIOS)
 
Warranty?  Just buy a nicer case - they are not much - Cooler Master Haf 932 and move the existing hardware.
 
It is normal for top card to run hotter.
 
Are both cards reference cooler design that blows hot air out the back? 
 
Your "buy the coolers from EVGA"  - Did you mean - 400-HY-0990-B1HYBRID Water Cooler (All in One) for GTX TITAN X
http://www.evga.com/produ.s/pdf/400-HY-0990-B1.pdf
http://www.evga.com/suppo...Installation_Guide.pdf
 
With your EVGA card this is the best way to remove heat - not sure if it will fit the "other brand" card.
 

Why not just buy a $25 delta fan if that's the case...
 

 Thanks all for the replies and suggestions. 
 
 In doing so many tests with the gpu's at full load, if i lower the fan curve to say 45% until 80C, then
the temps on the top card rises(the longer the worse it gets) to 85C or over 90C. 
 
 I can easily raise the case fans to cool the gpu's off to under 70C, but the noise is unbearable(and i'm using headphones when gaming and can still hear the fans).
 
 Fact is this case plain sucks and i cannot mod it as it's under warranty until next summer. 
(Then i'm going Skylake-E 8 core..my own build by the end of 2016)
 
 Also, since my #1 game is GTA:V(and soon Fallout 4/Dues Ex in 16') i'm getting only 35% 
of a performance boost from the 2nd Titan-X.
 
 So i'm probably selling the NVidia Ref. model, as i can put that towards one of the
new G-Sync 4K IPS monitors, this fall. (Asus or Acer)
 
 And with so, i'll add a cooler to the EVGA sc'ed and oc the heck out of it.
 
 I get 40+ fps anyway in 4K in most games anyway(not named Crysis 3), so this
is where G-Sync will smooth out the 40+ fps gameplay.
 
 I'm thinking the below to cool off the EVGA Titan-X.
 
 http://www.evga.com/Produ...aspx?pn=400-HY-0990-B1
 
 Is this cooler a good idea?
 TIA
 
 
 
 
 

toyking22

PhilipO48
 Thanks all for the replies and suggestions. 
 
 In doing so many tests with the gpu's at full load, if i lower the fan curve to say 45% until 80C, then
the temps on the top card rises(the longer the worse it gets) to 85C or over 90C. 
 
 I can easily raise the case fans to cool the gpu's off to under 70C, but the noise is unbearable(and i'm using headphones when gaming and can still hear the fans).
 
 Fact is this case plain sucks and i cannot mod it as it's under warranty until next summer. 
(Then i'm going Skylake-E 8 core..my own build by the end of 2016)
 
 Also, since my #1 game is GTA:V(and soon Fallout 4/Dues Ex in 16') i'm getting only 35% 
of a performance boost from the 2nd Titan-X.
 
 So i'm probably selling the NVidia Ref. model, as i can put that towards one of the
new G-Sync 4K IPS monitors, this fall. (Asus or Acer)
 
 And with so, i'll add a cooler to the EVGA sc'ed and oc the heck out of it.
 
 I get 40+ fps anyway in 4K in most games anyway(not named Crysis 3), so this
is where G-Sync will smooth out the 40+ fps gameplay.
 
 I'm thinking the below to cool off the EVGA Titan-X.
 
 http://www.evga.com/Produ...aspx?pn=400-HY-0990-B1
 
 Is this cooler a good idea?
 TIA
 

 i get 60+ fps with 2 way sli 980 ti's on 4k. how are you getting 40 fps with better gpu's?

I think he was saying that he was getting 40+ fps with a single card, so he won't mind getting rid of his second card so much.

PhilipO48I finally added a 2nd Titan X but the fan noise is just unbearable.

Not a lot you can do, the reference blowers are really nice but yeah full on max gaming and noise will be a bugbear. Also when you go Multi-gpu noise and temps will obviously increase, I still use a Corsair 700D from many years ago it was very expensive and it was designed for water cooling solutions and is a very nice case to build in spacious and plenty of room for case fans (120mm), I had GTX 780's in 2 way sli with the same reference coolers and although temps were not too bad but noise was an issue when full on max gaming. Ditch the titanx's get two EVGA GTX 980ti's with the ACX 2.0 cooling solution, sorry that's what I would do. Unless you can get an aftermarket cooler for the titanx's, risky?. I also used a phanteks enthoo deluxe case and although the whole thing looked 'sweet as' the noise generated by the coolers was not- noise with the Nvidia reference cooler was always an issue for me.