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Water temps

post #1 of 5
Thread Starter 
Hey guys,

I've looked and I've not really seen anything on this, but can someone give me an idea of what water temps you are seeing?

I've been water cooling for about 2 years now, but up until recently, I've had my rads mounted outside of my case. Then I was seeing water temps for 21C (idle) to 26C (full load) for the water. Now, with the exact same setup, but my rads mounted internally in a new case (Corsair 750D), my water temps are ranging from 25C at idle to 33C under load. Oddly, my GPU temps are a lot lower (75C before, 50C now under folding load) and my CPU temps are higher (60C while folding at stock clocks, I think I need to reseat the CPU block, was at 75C when OCed to 5.0GHz).

Anyway I'm just wondering what is kind of a normal range for water temps in a loop.

Also, my ambient is running around 21C. Thanks guys!
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post #2 of 5
25 to 33 is normal water temps, nothing to worry about.
Internal rads will never cool as well as external ones, which is why your water is now warmer.

Looks to me your CPU wasn't properly seated before, and your GPU isn't properly seated now.
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by PepeLapiu View Post

25 to 33 is normal water temps, nothing to worry about.
Internal rads will never cool as well as external ones, which is why your water is now warmer.

Looks to me your CPU wasn't properly seated before, and your GPU isn't properly seated now.

Thanks for the info on the water temps, I figured this was probably normal, but it was a bigger jump than I was expecting, especially since both rads are intakes on the case. I did have the 360 rad in a push pull before (so that would have mad a small difference), now it is just in push, and the 240 was and is in just push.

As for the CPU and GPUs:
The GPUs are good, I didn't take those blocks off, and they are running at a 900MHz (so both pretty nicely overclocked) at only 50C when they are folding at 100% usage, considering these cards ran at 60C at stock with the stock coolers on them, I'm happy with 50C overclocked.

As for the CPU, before the rebuild, I was pushing the max recommended voltage to it before (1.52v), and the block is just the stock block that came with the old XSPC kit, so I know it's not very good. I was happy with keeping it under 80C at 5.0GHz. I haven't re-seated it now because I just don't have time to mess with it and don't plan on OCing the CPU for the time being, so as long as it's staying in a safe operating range (under 80C as far as I'm concerned), then I'll worry about it later.
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post #4 of 5
The reason why internal rads don't work as well is because they have more restriction to deal with.
On an external rad, the fans only need to push the air throught the rad.
But on internal rads, they have to push through the rads, the rest of the case, fan grills, and possibly dust filters as well.
And if you want positive pressure, that also further restricts the air flow.
And in your case, you also have less fans to push throught more restriction.

Edit: spullin'
Edited by PepeLapiu - 4/24/14 at 11:27pm
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post #5 of 5
Quote:
Originally Posted by WonderMutt View Post

Thanks for the info on the water temps, I figured this was probably normal, but it was a bigger jump than I was expecting, especially since both rads are intakes on the case. I did have the 360 rad in a push pull before (so that would have mad a small difference), now it is just in push, and the 240 was and is in just push.

As for the CPU and GPUs:
The GPUs are good, I didn't take those blocks off, and they are running at a 900MHz (so both pretty nicely overclocked) at only 50C when they are folding at 100% usage, considering these cards ran at 60C at stock with the stock coolers on them, I'm happy with 50C overclocked.

As for the CPU, before the rebuild, I was pushing the max recommended voltage to it before (1.52v), and the block is just the stock block that came with the old XSPC kit, so I know it's not very good. I was happy with keeping it under 80C at 5.0GHz. I haven't re-seated it now because I just don't have time to mess with it and don't plan on OCing the CPU for the time being, so as long as it's staying in a safe operating range (under 80C as far as I'm concerned), then I'll worry about it later.

Quote:
Originally Posted by PepeLapiu View Post

The reason why internal rads don't work as well is because they have more restriction to deal with.
On an external rad, the fans only need to push tge air throught the rad.
But on internal rads, they have to push through the rads, the rest of the case, and possibly dust filters as well.
And if you want pisitive pressure, that also further restricts the air flow.
And in your case, you also have less fans to push throught.more restriction.

Pretty much this^ You also don't mention how many fans you have on outtake. I could have a jet engine intaking but if I have no air outtakes it won't move any air in. Moreover push pull yields a 17-30% performance increase, so it's not a small difference and the more restriction you have the closer it is to that 30% mark. Is it possible to put them back into push/pull or is there simply no space? If you can I would, if you can't then don't worry about it. Generally the common goal for loops is to keep the liquid at a 10c delta temp, that being the temp difference between ambient and coolant temps. You're well within that realm even at your highest stated temp so it's not a big deal, but if you can slap em back in push pull there's no reason not too. biggrin.gif
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