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Safe temperatures for i7 4770k.

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November 5, 2013 11:14:40 PM

I just built a custom water loop and i'm wondering what temp should I stop overclocking my cpu? Right now I have it at 4.2ghz with 1.2V, i'm getting 70-75c on load using prime95.
a b K Overclocking
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November 5, 2013 11:17:26 PM

Jeankyyyy said:
I just built a custom water loop and i'm wondering what temp should I stop overclocking my cpu? Right now I have it at 4.2ghz with 1.2V, i'm getting 70-75c on load using prime95.


Watercooled with 75*C on 1.2v? Sounds rather hot for me, but I could be wrong. I believe Intel max is 104*C and safe temp is 90*C. But you may not want to go that high, as the higher voltage and the hotter t he CPU, the quicker it degrades.

Intel says their safe temp is 72*C for the Tcase, which is different from Core temp:
http://ark.intel.com/products/75123/
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November 6, 2013 4:48:22 AM

You can't be on 75C on 4.2ghz @ 1.2 with custom water cooling. I'm @ 4.3 on a 3570k with a hyper 212 and Im at 72C. You must've done something wrong. Why don't you try taking off the thermal paste and put it back on. Maybe you put to much of it.

Hope I helped
November 6, 2013 9:17:50 AM

AK139 said:
You can't be on 75C on 4.2ghz @ 1.2 with custom water cooling. I'm @ 4.3 on a 3570k with a hyper 212 and Im at 72C. You must've done something wrong. Why don't you try taking off the thermal paste and put it back on. Maybe you put to much of it.

Hope I helped


Yeah, I know temps are bit higher than it should. At first I was getting 100c! But then I figured that I misplaced the block, then it went down to 70c at 4.2 1.2v.
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November 6, 2013 11:45:13 AM

Jeankyyyy said:


Yeah, I know temps are bit higher than it should. At first I was getting 100c! But then I figured that I misplaced the block, then it went down to 70c at 4.2 1.2v.


It's still too high, I'd assume your putting too much or way too little paste? Wipe off old, and put a little in the middle and allow the pressure of the block to spread it out. If you have tuniq-then it is a little different in application, but it comes with a spreader. And make sur eit is coming in contact with the CPU well, don't over tighten the blocks screw, but make sure they're tight.
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November 6, 2013 12:21:52 PM

My personal lmits are 90*C. and 1.300 v.
November 6, 2013 3:53:43 PM

I applied less thermal paste and now i'm getting 5 degrees more!

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November 6, 2013 4:04:10 PM
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Jeankyyyy said:
I applied less thermal paste and now i'm getting 5 degrees more!


You have to make sure to remove the thermal paste properly before applying new.
And apply the right amount, too little has the same affect of too much. And a poorly placed block could be an issue. Another problem could be dust in the radiators, poor fans, or a bad pump or gunked up tubes. Also dirty blocks on the inside means less contact for water to take the heat from the CPU.

Too long runs, too many blocks can make cooling less adequate. A small radiator or poor fans will also affect cooling, higher static pressure for push-higher CFM for pull.

Here's a quick guide on Thermal Paste:
Most Thermal Paste:
http://www.youtube.com/watch?v=8rn0BqMyXBM
Tuniq:
http://www.youtube.com/watch?v=xTrSOywFn_4
January 15, 2014 5:35:41 AM

For anyone who wants to know, I'm running a standard i7 4770k, no overclocking and a Corsair H55 cooler.
My temperatures stay around 58-62 for the first 15 minutes and then they suddenly go up to 68-72. As far as I can read, these are safe temperatures, nothing to worry about :) 
January 17, 2014 5:39:12 PM

I'm running a i7 4770K with the Corsair H110 water cooler at 4.2GHz and the max temps i've hit is 69C with the torture test on Prime95 with the CPU running 100%.
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January 17, 2014 6:23:13 PM

Please stop posting information here in an old solved thread. Thank you.
March 30, 2014 8:53:56 PM

:) 
!