Watercooling i7 950 High Idle temps at stock speed

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blackdevilmt

blackdevilmt

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So I just installed my i7 950 , http://www.xs-pc.com/watercooling-kits/raystorm-twin-d5-ax360-watercooling-kit with that kit, spent 24hrs bleeding it and there are no air pockets in my tubings.

I am cooling it with ec6 coolant clear but temps seem high for my likings, Idle

Core 0:41
Core 1:36
Core 2:40
Core 3:36

The thing is they are constantly changing till now. For now I am constantly heating the cpu and turning it off for the Artic Mx-4 to set in giving it enough time to cure and I did the rice grain method and I applied pressure equally. My room temps are 29-30C and I just finished building my build y'day but I am worried as I will be trying to reach 4.2Ghz with this kit seeing that I have high temps.

I used real temps and hwmonitor still they read the same temps but according to the AIsuite which Is quite bugged reads 30C which is kind of awkward because there is a 0C delta temperature.

This is my build and I am using a push config with 3x Corsair SP 120, intake is from the front of the 900D https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn2/v/1374092_575412582516190_1512289785_n.jpg?oh=d2fbf6f84fd6bfb0924790760d1b5911&oe=5249EE9C&__gda__=1380630088_5cd087007884293adfd4c3a70d9977f2

Please no insults towards Man united lol
 
Solution
toolmaker_03
ok so you have a CPU only loop on a 360mm rad that is the same setup i have on my 3930K clocked to 4.0Ghz at idol the temps are 29C load temps are 43C max so i would say that you have a issue with this rig, the twin pump setup might be the issue is the pump configuration correct for your loop?
what type of thermal paste did you use on the CPU?

can you show some pics of the loop it might help me.

**edit your stock temps are correct the clocked seem a little high try droping the clock speed down a little to see if this makes a big diffrence in load temps **
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ddbtkd456

ddbtkd456

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Well i can see where the case temperature is higher, you have 5 fans letting in air and 1 letting out air...that's a big no no right there. If i was you i would start by making that radiator a proper push/pull configuration, if you can't do that cause of space issues then have the fan closest to the rear exhaust and flip it so it pushes air out along with the rear exhaust fan, and leave the other 2 as intakes. That will solve your unstable temps in your case right there. As for you water block problem, how fast does your pump work to keep those temps?
 
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blackdevilmt

blackdevilmt

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Well I have the XSPC fans but they run at 1650 and the corsair 2350 but they actually run at 2169 aesthetically I like more the corsair 120 due to their pressure. The pumps are running at Speed 2 as it I have 2xD5's as I plan to expand my loop in future.
 
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blackdevilmt

blackdevilmt

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I bled the pumps for 24hrs at speed 3... What Can I do is put the speed on 3 now and try it if it won't work I will do a push pull config

I will update the thread once I test the pump at speed 3 and give you my results... i don't know how much time it takes for the mx4 to cure but those temps are pretty much high for that kind of kit.
 
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blackdevilmt

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Correction: I have the front intaking +ve pressure 3X Corsair AF 120, rear -ve pressure, and the 3 radiator fans push config... Well Can i add to the other side of the rads the xspc fans but they are of a different rpm?
 
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ddbtkd456

ddbtkd456

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Hmm...mine runs at about 28 degrees C (82.4 degrees f) at idle and about 34 degrees C (92-94 degrees F) under 100 percent load, however I have a Kraken x60 not a custom loop, and I have 6 other 140 fans plus the 4 140's in push/pull configuration, so about 10 x 140 mm fans in my case. With your fan setup that seems about right for the temperatures, like i said try my fan idea and see if it makes a change (I bet it will).
 
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blackdevilmt

blackdevilmt

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Okay found the problem... I set the pumps @ speed 3, still no change in temps... I put a thermometer in the case and temps are quite high 34C in it. Unfortunately like the 800D the 900D intakes for my rig till now is the front panel, what I am about to do is buy a dustfilter and change the direction of the rear AF 140 fan and install the xspc fans as pull config.

Thanks for your answers @ddbtkd456 I will keep you posted about this.
 
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blackdevilmt

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Okay results are in. What I did earlier today was:

1) Doing a fan filter with some aircondition filter at the rear & changing the Af140 at the rear as intake.
2) Installing the 3x Xspc fans 1650rpm as pull with the ax 360.

The air being dissipated from the rad is better as it is more cooler though temps remained the same. What is worrying me is that the temps are

Core 0;44 Core 1;41 core 2;43 core 3; 41

So what I am thinking is that I should wait for the koolance valve to arrive, drain the loop and reapply the TIM. I mean I made sure that there are no air pockets as I carefully dropped the cpu block on the cpu and tightened the M3 screws diagonally. I am using the artic MX 4 as a thermal compound and I did a tiny blop on it. Could it be the case i)There are airpockets ii) Most probably TIM is acting as an insulator , Well to remove the other TIM I used http://shop.rabtron.co.za/catalog/kontakt-printed-circuits-cleaner-p-1926.html as I forgot to buy from XSPC when I bought the kit the Artic cleaning kit.

I am so sorry but I am so confused right now
 
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blackdevilmt

blackdevilmt

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I am running at stock speeds cpu is at 1.18v, CPU PPL was 1.89v which was ridiculously high running stable at 1.548v QPI 1.336v... Damn I don't wish to drain my loop and dissaemble nearly everything because if it will be the case I need to dissemble the Northbridge and clean it as it is currently 51C .
 
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rubix_1011

rubix_1011

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AI Suite is terrible.

What are your ambient room temps? 29-30C?

Radiator is mounted in the top...which way are fans blowing? Out the top, or in? Looks like PUSH out the top.

You realize you are attempting to cool a watercooling radiator with warm air from inside the case, meaning the air is warmer than ambient, thus, you see a higher than ambient idle reading. This isn't terrible, but this is likely the entire reason for the temp difference.

Typically you want to use outside air to cool radiators, but sometimes you have to make-do with what you can. Idle temps really mean nothing...it's all about sustained load temps. What are those like?


 
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blackdevilmt

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Well, I mounted the ax 360 rad in the top of the 900D , pumps are at speed 3 and the corsair sp 120 are extracting the air from inside the case to the outside of the case with the XSPC fans. I also changed the rear fan of the 900D to intake air but it was only a gain to the motherboard as I didn't see any temperature change in cpu.

Max cpu temp is 51C rest are 47-50C but they are running at stock speeds and I am planning to take this cpu to at least 4ghz-4.2 with 1.27v but I happen to be afraid. I live in Malta and well it is so hot at the moment feels like August.

I could always re apply the TIM but it would mean a couple of things more time and more $$. I thought about taking the rad to the bottom or adding 480mm (which I still could use in the future) but it will cost more money and it is already an overkill wc setup for a cpu loop only.
 
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blackdevilmt

blackdevilmt

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Believe it or not there is a refreshing cold breeze... even though when I touched the reservoir face it happened to be quite hot cpu load temps are
Core 1:44
Core 2:39
Core 3:41
Core 4:38

Those are the load temps at stock speeds @ 1.18v. I am afraid I applied a little bit more thermal paste on the cpu. I cleaned the cpu about 12 times with Kontakt PCC as I didn't want any dust particles (merely impossible,OCD) are those temps good my current room temp is 27.5ish
 
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toolmaker_03

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ok so you have a CPU only loop on a 360mm rad that is the same setup i have on my 3930K clocked to 4.0Ghz at idol the temps are 29C load temps are 43C max so i would say that you have a issue with this rig, the twin pump setup might be the issue is the pump configuration correct for your loop?
what type of thermal paste did you use on the CPU?

can you show some pics of the loop it might help me.

**edit your stock temps are correct the clocked seem a little high try droping the clock speed down a little to see if this makes a big diffrence in load temps **
 
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Solution
blackdevilmt

blackdevilmt

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I changed the intake of the rear fan as intake, added the xspc fans as pull still no difference even though it is pulling air bettter and the system reduced by 2C still no change in load.


I am thinking of draining the loop which means new coolant and re-applying the TIM. Pumps are working, there are few air bubbles in res but really few as I bled it for 24hrs.
 
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blackdevilmt

blackdevilmt

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Well It it bought from a friend of mine for just 250e along with the i7 and he reached 4.4ghz under 50C load as for me it will suffice as I focused on getting top ssd/case/watercooling set up for now as it was my dream getting this kit as he wanted to upgrade for haswell at any cost ^^

Anyways temps didnt change at 1.11V!!! This was his build https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-ash4/466236_3335710388760_90580593_o.jpg

Meanwhile here are my temps: https://www.dropbox.com/s/z3ygkxb6nofw5qg/P.png


I thing that there isn't a proper contact with the cpu... Well in the next few days I will drain the loop as it isn't advisable to use the same water again and re-apply the TIM.

Should I change the order of loop to:

Res<CPU<Rad<Res<...
 
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