Need a good PSU for overclocking my i5-6600k and MSI gtx 1060

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sam_nightfire

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I have been looking for a psu that will help me overclock my i5-6600k to 4.6 ghz and my MSI gtx 1060 to +150/+500 core clock/memory clock. The brands available here are cooler master, corsair, seasonic. Is the seasonic m12ii 520w enough?
 
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Darkbreeze
That unit should be ok. Reviews of the US version of that unit, which is a 2015 model, are positive. Also, it's not group regulated, it will work fine with all the low power C states. Not a great unit, but a fairly good unit.
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Darkbreeze

Darkbreeze

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The M12II units are good, but the 520w and 620w units are group regulated internally. (The M12II units that are higher capacity, 750w and 850w are not group regulated.) The 520w and 620w units are not compatible with the C6/C7 sleep states of the Haswell and newer Intel processors unless you turn off those sleep states in the bios. That sort of defeats the purpose of the efficiency improvements but since you're overclocking then it's not as big of an isssue anyhow.

Group regulated units are not nearly as good as independently regulated DC-DC internals in any case though, so a newer platform is highly recommended in order to avoid crossloading issues.

For Seasonic, look to the G series units, Focus Plus units or Prime units.

I recommend avoiding the Cooler Master units as there are very few of them built on good, reliable platforms, and the ones that are are generally more expensive than comparably good units by other brands like Seasonic, EVGA (B2, G2, G3, P2, T2 series only, avoid the N1, W1, B1, BQ and Supernova NEX series units), Corsair (TX, HX, RM and AX units are good. CX and CXm units are fair only, not great) or Super Flower (Golden green and Leadex platform units).

The Antec True power classic and High current gamer units are also good, but the High current gamer units are also group regulated. The True power classic units, at least the newer ones, are not.

If the M12II is the best unit you can find locally, then you could do much worse, and that M12II-520w should be enough for some overclocking on your system, but the 620w version would be better and allow you some headroom in the even you go large on the overclocks or upgrade the GPU card later. Be sure to turn the C6/C7 sleep states off in the bios though if you go with one of the M12II or S12II units. No worries if you go with a G series, Focus series or Prime series.

There is good information available here:

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html


And here:

http://www.tomshardware.com/forum/id-3612443/power-supply-discussion-thread.html
 
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sam_nightfire

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So if i install the Seasonic M12ii 520w and overclock my cpu and gpu, can i face crossloading issues? the problem is, i blowed all my money on the gpu and cpu, so i'm on a tight budget here.
 
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Darkbreeze

Darkbreeze

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Honestly, for 99% of people, if you disable those power states, you'll likely never know the difference. There are much worse choices you could make. If you can get a 2017 version of the Corsair CXm 550w unit, that would be an ok budget choice as well. It needs to be the 2017 version though. The 2015 and earlier versions had lower quality caps on the secondary side and the cooling was not well done to avoid the cheaper caps from getting hot and failing early.

If you can find a Corsair TX unit, those are a little better even.

What country ARE you in?
 
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sam_nightfire

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I'm in india, and the locally available units are Corsair, Cooler Master, and Seasonic. Antec is available online, probably Amazon. Frankly, sleep states aren't an issue. I could disable the power states, as i normally use my pc for gaming. The only issue i have in mind is, if my psu can provide enough juice for my overclocking,(gotta add the voltage if i need that memory clock on my gpu to be 9gbps), and the other issue was crossloading. So i was interested in the seasonic m12ii 520w.
 
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sam_nightfire

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The Corsair TX 550 unit is available here, the 80plus gold version. I don't know if its the newer or the older, since i haven't used corsair psus in past
 
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superninja12

superninja12

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Grandmaster Breeze is probably sleeping.

Yes thats one of the newer Units with a Dedicated single +12V rail and extra added safety features.
Grab that one above the seasonic m12ii or corsair cx.

A good investment into a good powersupply is one of the best choices you can make !
 
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