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[Official] nVIDIA GeForce GTX TITAN X Owners Club - Page 853

post #8521 of 18242
Quote:
Originally Posted by lordkahless View Post

I have two Evga Titan X cards on the way and I have read quite a few reviews and there seems to be some concern about the Vram exceeding 100C. Is this normal and well within tolerances? I read on another site, It might have been here that a backplate only provides about 2c to 3c cooling where as somebody in their forums stuck ramsinks on the back of the card and got a 23c cooling reduction. Any comments on this? Should I be worried? I would like to think I have decent airflow. My 980 SLI idles at 26C and gets up to 60C with 1450 core and 7400 vram. My case is a Coolermaster Haf-X. 200mm fan blowing on the side of the cards, 140mm fan blowing on the back of the cards, 140mm fan just above the top card exhausting


Anything 100c + in my system i would not be comfortable with at all - simply its not going to help its longevity (which may not matter depending on how long you have the card). Should you be worried ? hard to say really . Minimum you should do is stick a fan over the backside area as it is - especially if you plan to overclock, that may be enough to knock temps down a bit. You're arrangement of existing fans sounds sufficient for the as is approach.

A backplate with active cooling , eg fan over it should give you a fairy good temperature drop on the ram i would think , it will also help the gpu core and vrm section a little also as there are thermal pads that contact those areas.

I think the backplate would be superior or equal to ramsinks if actively cooled for vram.

If you go the backplate route use quality thermal pads, eg Fuji 11w/mk or higher.
Edited by Orthello - 5/26/15 at 8:22pm
post #8522 of 18242
Quote:
Originally Posted by Jpmboy View Post

The max any bios can provide is 1.274V. Several run that high.
Eh - sorry, cyclops3 or any bios which permits 1.274V at load is really not for air cooled cards. 3 is boost enabled and clocks according to the combination of power limit set, load, AND temperature. Boost is set low, you can increase it with the clock offset in AB or PX
Maybe if you set a fan profile at >90% you might be able to run that voltage - IDK.
The stock bios is set to 1.281V for clock 74, but limited to 1.250V in the voltage table, so with the stock NV bios and PX voltage slider you should get at least 1.23-1.24V volts. Probably more than enough for well air cooled cards sandwiched in SLI. I think there's one posted that runs @ 1.25V? was it that folding bios?

anyway - I'm sure we (or you - it's easy) can downvolt one of the 1.281V bioses thumb.gif

What setting are you using on the Cyclops BIOS? Core and Men CLK? Like I said, it felt like GPU boost was nonexistent. Also I'm using the 425w 1250mv 121% PT BIOS already. It just appears that at +112mv I'm topped out and can't keep my GPUs stable at 1404 MHz.
post #8523 of 18242
Quote:
Originally Posted by jk80520 View Post

Thanks, just ordered one and a backplate. Stock cooler is way too loud at 80%.

Would you mind reporting back once you receive it? I'm not enjoying the noise the stock cooler makes at ~75-80% and I'm not ready to make the jump to a full custom loop (Not to mention my curret case is terrible for water cooling). Looking at jumping on the ACX if there's a big difference with temps/noise vs the stock cooler.
post #8524 of 18242
Quote:
Originally Posted by fliggopolis View Post

Would you mind reporting back once you receive it? I'm not enjoying the noise the stock cooler makes at ~75-80% and I'm not ready to make the jump to a full custom loop (Not to mention my curret case is terrible for water cooling). Looking at jumping on the ACX if there's a big difference with temps/noise vs the stock cooler.

Yeah, I will. It should be here in 3 days. I just found out it comes with a backplate which is a nice added bonus. The EVGA rep said that it lowered temps from 83c to 70c. I'm closer to 70c with the stock cooler, but at 80-90%, so we will see I guess. I'm hoping it means I can run at 50% fan speed for a quieter system. My single Titan X is louder than my previous 780 SLI setup.
post #8525 of 18242
Could one of you experienced bios modders take the 425W / 121% / 1.250v that's on the front page and mode it to have a base voltage of 1.255? Then I can dial it in by increasing the voltage if need be up to +112mv. I'm just a little short of voltage.
post #8526 of 18242
I just got my second ASUS TITAN X.

I added the GTX 980 Hybrid to it, and it runs cool, in fact, its cooler than card on top by about 5c when in windows, since it has clocks down to like nothing. Max temp at loads is 55c-60c (if both GPU's stay at 99%).

The problem I am having is that I can hi 17K in Fire Strike with 1 Titan X using Cyclops BIOS, but my SLI setup HATES that BIOS. Then I tried the Evga SC 121% power bios, and really does not like any kind of OC to it. So.

I am stuck with "original" asus bios, and I can OC +225 core / +300 memory in PX with 110% power, and voltage slider all the way up. I am only reaching 22k in fire strike.


Single Titan X ASIC 69% (Cyclops BIOS 1.281V) - http://www.3dmark.com/fs/4832784

SLI Titan X ASIC 69%/63% (original BIOS) - http://www.3dmark.com/fs/4926591

Any ideas?


Edited by Ascendor81 - 5/26/15 at 9:55pm
post #8527 of 18242
Just purchased my Titan X from EVGA. I have thinking about water cooling it, but I have never used water cooling before. I have a Silverstone RV02, and I don't know if I could fit it is water cooling friendly.
Tod
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Tod
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post #8528 of 18242
Are the EVGA backplates as good as any? I think they come with some thermal pads
post #8529 of 18242
Don't suppose there is anywhere to get the ACX cooler in EU? eVGA doesn't ship to the UK from their US store, and not a peep of it on EU store mad.gif
The Old Timer
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The Old Timer
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post #8530 of 18242
Just purchased 4 of those biggrin.gif
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