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[Official] NVIDIA GPU Mod Club - AKA "The Mod" - Page 32

post #311 of 8626
Its only a matter of time before a bracket is sold, because its very specific in function it will also be expensive. I would not be shocked to see some form of closed loop cooling/bracket being marketed towards gpu cooling by years end. One good thing is that as the fab size decreases watercooling will become less and less of a nessesity and more for show.

Untill the debate of pcb cooling and other stuffs attached to the pcb is figured out there is much risk to venders producing gpu coolers such as what we are doing here. Right now no one knows what the "too hot" temp is for most of the things attached to our pcbs', if someone has done the leg work regarding temps they sure are closed lipped on it all.

Ill be redoing my TIM soon and when i do will will attach the temp sensors from my control fan to the various parts of the pcb to get some better readings on what is happening. Im not sure where the best locations would be for this ie first vram or last in the row, which VRM is best. If anyone has any thougths on this let me know so that i can get the best data possible. I can go by what my cards sensors tell me but they are flaky at times and im not even sure if they are real sensors or just some sort of calculation based.
post #312 of 8626
Btw I got a 560Ti modded with an h40, haven't tested it yet though since the build it's going in isn't even close.

Will get pics on later and I might try the heat spreader mod, let's see how it cools first though should post in a few days.
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post #313 of 8626
Quote:
Originally Posted by JQuantum View Post

Btw I got a 560Ti modded with an h40, haven't tested it yet though since the build it's going in isn't even close.
Will get pics on later and I might try the heat spreader mod, let's see how it cools first though should post in a few days.

I look forward to it... I love all this hardware pronz tongue.gif
Quote:
Originally Posted by cravinmild View Post

Its only a matter of time before a bracket is sold, because its very specific in function it will also be expensive. I would not be shocked to see some form of closed loop cooling/bracket being marketed towards gpu cooling by years end. One good thing is that as the fab size decreases watercooling will become less and less of a nessesity and more for show.
Untill the debate of pcb cooling and other stuffs attached to the pcb is figured out there is much risk to venders producing gpu coolers such as what we are doing here. Right now no one knows what the "too hot" temp is for most of the things attached to our pcbs', if someone has done the leg work regarding temps they sure are closed lipped on it all.
Ill be redoing my TIM soon and when i do will will attach the temp sensors from my control fan to the various parts of the pcb to get some better readings on what is happening. Im not sure where the best locations would be for this ie first vram or last in the row, which VRM is best. If anyone has any thougths on this let me know so that i can get the best data possible. I can go by what my cards sensors tell me but they are flaky at times and im not even sure if they are real sensors or just some sort of calculation based.

Your probably right about the market situation.

Regarding the sensor probe for your VRAMs, I guess your could try both locations and see which is more realistic. I guess you would need a lasar thermometer to check the other Vrams to calibrate your location?
post #314 of 8626
unfortunatly i have no lazer temp but i do have 6 probs i can attach to the pcb. Im thinking first and last on the vrm, a couple on the vram and the rest around the board, backside of the chip, in the rad fins and one for case temp
post #315 of 8626
Quote:
Originally Posted by cravinmild View Post

Its only a matter of time before a bracket is sold, because its very specific in function it will also be expensive. I would not be shocked to see some form of closed loop cooling/bracket being marketed towards gpu cooling by years end. One good thing is that as the fab size decreases watercooling will become less and less of a nessesity and more for show.
Untill the debate of pcb cooling and other stuffs attached to the pcb is figured out there is much risk to venders producing gpu coolers such as what we are doing here. Right now no one knows what the "too hot" temp is for most of the things attached to our pcbs', if someone has done the leg work regarding temps they sure are closed lipped on it all.
Ill be redoing my TIM soon and when i do will will attach the temp sensors from my control fan to the various parts of the pcb to get some better readings on what is happening. Im not sure where the best locations would be for this ie first vram or last in the row, which VRM is best. If anyone has any thougths on this let me know so that i can get the best data possible. I can go by what my cards sensors tell me but they are flaky at times and im not even sure if they are real sensors or just some sort of calculation based.

I can only comment on my experience with cooling a GTX280 since I haven't used a card since that had vrm sensors or GDDR3 that you could easily test by stress testing. First of all proper vrm cooling can be difficult. Those little aluminum heatsinks just don't cut it. You can check some old 4870 or GTX280 threads to see just how badly that they really did. There is the option of those little enzotech heatsinks. They do a surprisingly good job. They actually performed about as well as a uni-sink with good airflow. The unisink was using good thermal pads but still thermal pads. I would be willing to bet that thermal adhesive with some enzo-tech mos c-1 sinks would do a very good job. There is also the option of cutting off the vrm area of the stock heatsink. Thats a great option but you loose your warranty in the process.

Then there is the memory. I used the stock aluminum thermalright memory sinks on my GTX280 for a while. I noticed when I moved over to the unisink that I had some more overclocking headroom with the memory. I would be willing to bet that those copper enzotech or swiftech ram sinks do a good enough job.

I've been surprised that people here are running their memory bare. You have to remember with GDDR5 that when you run into instability odds are you aren't going to run into artifacts. Instead you'll see performance degradation. I've heard that quite a few times but never done any testing myself. If I'm not mistaken it has to do with error checking, I could be wrong. Mild GDDR5 memory instability might not be blatant.

Thats just my two cents.
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post #316 of 8626
the hardest ive pushed my card so far is 1027 core and 5000 mem at the same time. I was using my H70 for cooling and stock fans on the shroud. My gains were about the same as with mem at stock. No errors that were visually evident and completed both Heaven 2.5 and pc 3dmark 11. My highest oc (not benchmark) was heaven 2.5 flybys at 1065 and no driver crashes. Max vrm, vram, board temp, power temps were not over what i would get from general bf3 gaming. My voltages were 1.293v (1.50 offered by gpu tweak -asus brand of afterburner, the remaing voltage was had by the overclock buttons on the pcb card)
post #317 of 8626
Quote:
Originally Posted by Rivers112 View Post

I am very curious on how your setup will end up so i can just copy it biggrin.gif
616

la NZXT switch 810 et la maximus IV Extreme

dsci0208f.jpg

dsci0207j.jpg

dsci0204a.jpg

dsci0206m.jpg

dsci0203nn.jpg

dsci0205l.jpg

- Hard disks are in the 5.25 bays
- and yes I use the Shrouds of 620 because the line is too short
- then thanks to Shrouds = + performance and + silence
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post #318 of 8626
Quote:
Originally Posted by lucas.vulcan View Post

la NZXT switch 810 et la maximus IV Extreme

- Hard disks are in the 5.25 bays
- and yes I use the Shrouds of 620 because the line is too short
- then thanks to Shrouds = + performance and + silence

That is awesome. couple of questions

How loud is it?
Are you using stock fans with it?
Fan controller or just running it on full blast?
Could you take a closer pic on how you mounted it screw wise?
What screws you used?

sorry for all the questions redface.gif

Now my only concern is my cards since they run dual fans one for the chip and the other for the memory, how much would it raise the temp on the memory. If anyone has a modded MSI card let me know redface.gif
Edited by Rivers112 - 3/5/12 at 11:42pm
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post #319 of 8626
Thread Starter 
Stay tuned?



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post #320 of 8626
interesting!!!
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