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Old June 2, 2015, 08:02 PM
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Default New 4790k build overclocking questions.

Just got a new rig (well new mobo, CPU, and RAM) up and running and am doing a little OCing. I feel like a newb all over again as I made a few generation jumps coming from a Q6600. LOTS more tweaking options them I'm used to.

I'm not a hard core OCer, just what I can do easily for some free speed. I'm looking for a few limits I should put on what I'm doing temp and voltage wise. I've read a few bits here and there but I'd like a sanity check. I've read that I shouldn't go past 1.300V for a 24/7 rig which sounds reasonable to me given the temps I'm seeing so far. I'm currently running at 4.8GHz with 1.275V which is stable so far but need to test a little more before I'm confident. Temps are peaking mid 70's with average temps down around mid 60's. Intuition tells me I've come to the end of the road but if any body could provide some input on that I'd appreciate it.
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Old June 2, 2015, 08:09 PM
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I think you've hit a reasonable OC, and should stop there. I'm not comfortable with load temps over 65 myself.
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Old June 2, 2015, 08:19 PM
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Whats the system speck. ?

what CPU cooler. ?

fore daily use I would not go to much higher without better cooling.
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Old June 2, 2015, 08:35 PM
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System is:

4790k (currently running 4.8GHz @ 1.275V)
2x8Gb g.skill F3-2133C10D-16GSR (currently running at 2400MHz)
MSI Z97 Gaming 5 mobo

I changed my mind last minute when ordering and wanted a Z97-A mobo but I guess the change didn't take. I didn't see much point in the hassle of returning the mobo so I used it. For what I dod I don't think there is any difference anyway and the MSI looks better.

Cooling is a EK Evo block and a vanilla 2x120 rad with 1200RPM fans that I'm pretty sure are running at a reduced RPM with some Noctua in-line resistors. The mid 70's temps must be very short term. I've been running various stability tools over the last few hours and everytime I look at HW monitor the temps are mid 60's but it is showing the mid 70's as a maximum, cant be at those temps for more than a few seconds. Idle is <30 FWIW.
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OCZ Gamer Xtreme 600W PSU
Cooler Master Cosmos on water
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Old June 2, 2015, 08:36 PM
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Ahh. Take them resistors out, run the fans at full speed. I think that should give you some more headroom.

I ran the same mobo for about 3-4 months, it seemed pretty decent.
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Old June 2, 2015, 09:03 PM
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Quote:
Originally Posted by SugarJ View Post
Ahh. Take them resistors out, run the fans at full speed. I think that should give you some more headroom.

I ran the same mobo for about 3-4 months, it seemed pretty decent.
Yeah not sure what I'll do there, I like a silent rig. If I can stand beside it and tell it's running then it's too loud. Getting to the 5.0GHz would be a nice milestone but not sure I'm willing to live with the noise to eek out a couple extra 100MHz to do it.
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Old June 2, 2015, 10:41 PM
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Ah. The silence vs. performance slider. I tend to game mostly with headphones, can't hear the PC even if I wanted to so all my fans run full bore.
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Old June 3, 2015, 06:02 PM
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Take Photos Of your bios screens so you can get back to this set up in case of crash. ! or fiddled to much. :)

If you have silence and speed then its a matter of fine tuning. when silence is a key factor.
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