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i7 3770k at 4.5Ghz / H100i Cooling Issue - Page 2

post #11 of 20
Thread Starter 
Well the fans are connected to the CPU fan header via the CPU block and the pump is connected to the sata power cable and the CPU block if you get what I mean. I've also just reseated it and I'm getting 36-38c idle temps but I got these temps before I reseated it again so I don't think much has changed.
Edited by Rykane - 3/4/14 at 9:01am
post #12 of 20
Try plugging the pump into the CPU header and the fan into the sata power. That way you can monitor the RPM's of the pump.
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post #13 of 20
Thread Starter 
I've just checked and 3pin header that comes from the PUMP block is connected to the CPU fan connector on the motherboard. The fans(which are located on the radiator) are connected to the CPU block too (It isn't a removable cable on the block end). I'm pretty sure I've cabled it up correctly. Here is what it looks like(not my own pic):
CREATOR: gd-jpeg v1.0 (using IJG JPEG v80), default quality

From the looks of it, the FANIN0 is the CPU header fan, referenced here and it's running at around 2200 RPM.
Edited by Rykane - 3/4/14 at 12:13pm
post #14 of 20
Your voltage seems high for that overclock.

Sent from my VS980 4G using Tapatalk
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post #15 of 20
Thread Starter 
Quote:
Originally Posted by chas1723 View Post

Your voltage seems high for that overclock.

Sent from my VS980 4G using Tapatalk

Hey, What do you recommend? I tried lowering my voltage to below 1.3 but I just got crashes and BSODs so I had to resort to the 1.300 voltage. I've ended up overclocking back down to 4.0GHz to 1.25V. If anyone has suggestions on what voltage to use for 4.5GHz I'd be grateful. Thanks.
post #16 of 20
If your radiator isn't new it could always be a dust build up. I recently redid my overclock with an H60 cooler and was getting temps that were quite high and couldn't figure out why. Radiator looked clean until I removed the fan and saw a massive dust build up, whole thing was pretty much plugged. Blew it out with compressed air and it dropped my temps by about 15 C.
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post #17 of 20
That's weird. My 3770k needs 1.4v to be stable(Yes I know it sucks Lol). I stress test with latest prime95 and my temps barely hit 80C under full load with an h100i. What paste are you using and what method? (pea, line?)
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post #18 of 20
Thread Starter 
My h100i was only bought in December last year, but it could have quite a lot of dust so I'll check that out. I removed the thermal paste that came with it and put some new stuff on but I don't think I used the pea method. I've ordered some Arctic Silver 5 and thermal paste remover to make sure that my temps are the best they can be. I still don't understand how some people are getting around 50-58C on full load compared to my 70-80 on 4.5GHz with 1.25 voltage whereas I get a some crashes and BSODs but I'm guessing that's due to the high voltage?
Edited by Rykane - 3/5/14 at 11:16am
post #19 of 20
Please keeo in mind that all CPUs are different, therefore it is possible that one has a better contact between IHS and DIE with less preapplied TIM, than others.

I had to delid my 3770K too to get better temps. But i did the step rigth away from an H100i with non-delidded to CustomLoop and delidded.

From my view 85C with 1.3V on a non-delidded CPU with an H100i seems about right. With reseating you may get another degrees better, but not by that much.
Even going from Push to Push/pull with my H100i gained me only 2C under load.
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post #20 of 20
Thread Starter 
Hmm, Okay. I'll try reseating and reapplying new thermal paste to see if it makes any difference.
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