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New Loop, temps seem high

post #1 of 17
10/23/12 at 3:26pm
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So I started with air, switched to a H100, now on a custom loop. I dropped about 5c when I went to the H100, and with the new loop I'm around the same as the H100. Two cores are reaching 80c after only 20 minutes of Prime. Idel temps are are between 28-30 across the cores. Any thoughts on why the temps get so high under load? Do I need another rad? Sys spec below...

i7 3930k 4.8g 1.38Vcore
Asus x79 Sabertooth
Swiftech MSP35x
Phobya xtreme 200 rad (NZXT 200 fan)
Swiftech apogee HD


Loop path pump-rad-block-res


Edited by BiaBia - 10/23/12 at 3:29pm
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post #2 of 17
10/23/12 at 3:30pm
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overclock/voltage?

ambient temp?
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post #3 of 17
10/23/12 at 3:33pm
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Sorry about that I added to original post, it's OCed to 4.8g 1.38 VCore. Ambiant temps are around 24c
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post #4 of 17
10/23/12 at 4:27pm
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Sounds about right considering your loop. First thing's first, I would try some ~ 2600 RPM fans as a cheap solution in push pull, instead of just push. If that doesn't satisfy you (temps still higher than you'd like, or just too much noise for you), then a 240 rad may be in order. Either way, your temps aren't really concerning as far as damaging the cpu, or anything, but I'm with you, they are higher than I would like.

Edit: wow, 200mm rad fan? Okay, I'm not sure how high an rpm fan you'd need, I'm just not very familiar with that size. What kind of CFM is your current fan rated at?
Edited by ForNever - 10/23/12 at 4:31pm
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post #5 of 17
10/23/12 at 6:24pm
Yeah, I agree. More rad and/or more fans.
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post #6 of 17
10/23/12 at 6:42pm
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Quote:
Originally Posted by ForNever View Post

Edit: wow, 200mm rad fan? Okay, I'm not sure how high an rpm fan you'd need, I'm just not very familiar with that size. What kind of CFM is your current fan rated at?

The fan spins at 1300rpm pushes 166CFM at 1.82mm of pressure so it's a decent fan. I know the chip can handle the current heat but I'd rather it not top 75c. Might just have to downclock for now until I get another rad. Thanks guys.
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post #7 of 17
10/23/12 at 6:43pm
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Might wanna try re-seating the block.

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post #8 of 17
10/24/12 at 5:08pm
I had issues just like this. Bleed the system and try to shake the radiator to get the bubbles out. Remount the block is a good idea. Also check if you are using enough paste on the CPU. You should be getting much better temps than this.
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post #9 of 17
10/24/12 at 8:13pm
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I reseated the block, still the same. I did find that I had the hoses on the block reversed..in to the out. I swapped that around and ran the pump while tilting the box around, smacked the lines and rad a few times, still about the same temps, might have improved a degree or two. The rad gets pretty warm so I'm really just starting to think it's not enough for what I'm pushing on the CPU. I'll get a 360 for the top of the case and see if that helps any. Right now I'm at 4.6g 1.31 Vcore and the hottest core is 66c
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post #10 of 17
10/24/12 at 8:20pm
a quality 240 with propper fans should be enough. i ran a very overclocked 920 (2.66 -> 4.5ghz) with 2 overclocked 580s on a 240 +360 and temps never got over 65 and i believe the 920's were more power hungry than the 1155's.

also i see you have dye. what brand of coolant / dye are you using. some coolants dont work very well.

what tim are you using also? method of application? any more info would be helpfull
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