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Can't OC a i7 8700k on Asus Prime z370-p

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post #11 of 42 (permalink) Old 02-08-2019, 05:43 AM
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Just a quick response, whiteowl is correct and would have to agree, any motherboard sub $150 isnt gonna get your far, the Z370-A motherboard would have done you good, look into upgrading your motherboard, budget boards arnt really for overclocking, yes they can do it, but is not recommended, unless of course its like a 7350k or low K sku, or keeping 8700k at stock, because remember just because the 8700k is a 95w TDP sku, when you overclock it, the TDP rapidly increases, in which lower end boards (sub $150 imo) just can not support. However, i do not agree with whomever said that the hyper 212 is not sufficient, Because it is. What i will say though is its close to borderline, not quite borderline, but close, so id say upgrade path would be to get a new motherboard then down the road some look into another cooler (very cheap AIO's on ebay and 2nd hand, and are just like 1 or 2 generations old for a really great price) or if you dont want to mess with water, my recommendation would be a Noctua NH-D14 (the D15 is just the newest gen, not too much different) or the cheaper Noctua NH-D9L (yes its only a 92MM fan, but its a dual tower heatsink, and noctua just makes literally the best air coolers) Thats my two cents, i like to give constructive criticism instead of just saying your cooler or board sucks, i mean yes i said that, but also mentioned recommendations to get where you wanna be. Hope this helpsss and got any more questions just askkkk, everyone at one point has had similar situations with similar hardware, so do not hesitate to ask.

Last edited by tech1w1johnshek; 02-08-2019 at 05:50 AM.
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post #12 of 42 (permalink) Old 02-08-2019, 06:31 AM - Thread Starter
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Quote: Originally Posted by tech1w1johnshek View Post
Just a quick response, whiteowl is correct and would have to agree, any motherboard sub $150 isnt gonna get your far, the Z370-A motherboard would have done you good, look into upgrading your motherboard, budget boards arnt really for overclocking, yes they can do it, but is not recommended, unless of course its like a 7350k or low K sku, or keeping 8700k at stock, because remember just because the 8700k is a 95w TDP sku, when you overclock it, the TDP rapidly increases, in which lower end boards (sub $150 imo) just can not support. However, i do not agree with whomever said that the hyper 212 is not sufficient, Because it is. What i will say though is its close to borderline, not quite borderline, but close, so id say upgrade path would be to get a new motherboard then down the road some look into another cooler (very cheap AIO's on ebay and 2nd hand, and are just like 1 or 2 generations old for a really great price) or if you dont want to mess with water, my recommendation would be a Noctua NH-D14 (the D15 is just the newest gen, not too much different) or the cheaper Noctua NH-D9L (yes its only a 92MM fan, but its a dual tower heatsink, and noctua just makes literally the best air coolers) Thats my two cents, i like to give constructive criticism instead of just saying your cooler or board sucks, i mean yes i said that, but also mentioned recommendations to get where you wanna be. Hope this helpsss and got any more questions just askkkk, everyone at one point has had similar situations with similar hardware, so do not hesitate to ask.
Damn...would that be why my temps & voltage are fluctuating so heavily though? The mobo is the cause?

Also is a 650W enough? I'm honestly not trying to OC heavily...I'd be completely comfortable with 4.7ghz-5ghz...
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post #13 of 42 (permalink) Old 02-08-2019, 06:43 AM
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What brand and model is the PSU? that mattes as well
And the Cooler Master Hyper 212 Evo is not a very good CPU cooler

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post #14 of 42 (permalink) Old 02-08-2019, 06:49 AM - Thread Starter
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Quote: Originally Posted by shilka View Post
What brand and model is the PSU? that mattes as well
And the Cooler Master Hyper 212 Evo is not a very good CPU cooler
It’s a powerspec bronze 650w from MicroCenter.
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post #15 of 42 (permalink) Old 02-08-2019, 07:22 AM
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Quote: Originally Posted by TaintedEon View Post
It’s a powerspec bronze 650w from MicroCenter.
Cant find any info about who made it but i did find that its group regulated which means its its not very good so the PSU it horribly outdated at best and junk at worst
No wonder your overclocking is so limited the PSU CPU cooler and motherboard are all pretty poor

Edit: after some more digging i can confirm that the PSU is junk so replace ASAP or return it if you just bought it

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Last edited by shilka; 02-08-2019 at 07:34 AM.
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post #16 of 42 (permalink) Old 02-08-2019, 07:39 AM
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Quote: Originally Posted by white owl View Post
That's also an issue.
You have one of the worst boards and coolers you can get. The board has a 4 phase VRM, consider yourself lucky to run MCE.
i read somewhere it was 6,then z370-p ll they moved too 9 phase,could be wrong though.


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post #17 of 42 (permalink) Old 02-08-2019, 07:48 AM
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Temps are fluctuating because of the cooler and the voltages are fluctuating because of the PSU so the motherboard is the least of the problems

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post #18 of 42 (permalink) Old 02-08-2019, 08:08 AM
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Quote: Originally Posted by Geeboi View Post
i read somewhere it was 6,then z370-p ll they moved too 9 phase,could be wrong though.

If you count up all the phases individually, maybe.

You need to look specifically at what is tied to the CPU because phases for the IGP and DIMM are irrelevant for the CPU but are still counted for marketing reasons and you need to see whether or not they use doublers (which means you need to divide that number by 2).

There's nothing really wrong with doublers but a 4 phase with doublers is not an 8 phase.

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post #19 of 42 (permalink) Old 02-08-2019, 10:55 AM - Thread Starter
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Quote: Originally Posted by shilka View Post
Temps are fluctuating because of the cooler and the voltages are fluctuating because of the PSU so the motherboard is the least of the problems
Is there a way to confirm if the PSU is being problematic or if it’s the auto settings on my mobo?
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post #20 of 42 (permalink) Old 02-08-2019, 11:16 AM
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Quote: Originally Posted by TaintedEon View Post
Is there a way to confirm if the PSU is being problematic or if it’s the auto settings on my mobo?
Set things manually.
The PSU might not burst into flames but if Shilka can't find info on it, how do you know OCP and OTP are going to work? Think about how bad something must be to not find info on Google.

To figure out your voltages and temps, read the guide I already posted and set things manually. The answer to every question you have is in there.

Quote: Originally Posted by Geeboi View Post
i read somewhere it was 6,then z370-p ll they moved too 9 phase,could be wrong though.
You can't count the iGPU and RAM power delivery in this discussion. It's 4 phases for the vcore, my z97 Sabretooth MKII was a mid priced board at $150 and has a legit 8 phase VRM for a 4c/8t part. Asus stopped giving a damn about power delivery on their mid priced boards and only cared about RGB and other features. They're made well but they aren't great boards for overclocking.

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Last edited by white owl; 02-08-2019 at 11:23 AM.
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