Highest Wattage SFX PSU

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miniexpresso

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Hi, I'm planning a build in the Dan A4 case and was going to be watercooling and overclocking the whole system which would probably compromise a i7 and a 1080Ti.

I've been looking and it seems that 600W is the max with offerings from Corsair and Silverstone in this bracket. From what I know, 600W seems to be a little tight for overclocking the whole system on water.

Can anyone point my in the right direction? Maybe a 650W SFX PSU which I'm not familiar with?

P.S. I know about Enermax 650W but I can't get that in my area easily so I was looking out for other options. Suggestions?

Thanks in advance.
 
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R
Overclock as far as you can whole still being in safe temps and voltage. No point stopping. A better PSU will give a more stable voltage to the CPU, and simply meaning it results in better overclocking.

To chugalug, This proffesional review claims a system containing 7700k overclocked and GTX 1080ti consumes 330w average while under gaming load. Times by 0.85 due to PSU efficiency is 280w the actual hardware uses. Add more drives, GPU overclocking, etc can add up 50w.
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Chugalug_

Chugalug_

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Jan 28, 2016
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600w is more than enough, even a good 500w will do it.
Only get the Enermax if it's the Revolution Duo, some of their other units are trash.
What retailer are you using?
Budget?
Case preference?
I wouldn't get a k CPU unless going for something like the Node 304 where you can fit in a decent cooler.
 
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miniexpresso

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I would just be getting the power supply from my local brick-and-mortar stores around.
No budget, just a suitable PSU would be fine, in any case I don't think an SFX PSU would cost TOO much...

I'm going to build in the Dan A4-SFX case, the whole thing would be fitted with a full-custom loop so heat should not be a problem. The bigger problem is space at the moment, and thus, the need for an SFX PSU with as high a wattage as possible for the overclocks :)
 
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Rexper

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miniexpresso

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Indeed, more wattage doesn't mean higher overclocks, but lets presume that all PSUs that are going to be suggested are of a certain quality sufficient to sustain a decent overclock.

Although the A4 support for watercooling is indeed lacking, I do appreciate the challenge of fitting it all in there. There are some pretty decent custom water cooled builds in that case.

I believe the 800W is an SFX-L form factor rather than an SFX.

It does seem that the decent choices remain with the Corsair or Silverstone, I was just shooting in the dark and hoping that I might have missed out something.

Thanks anyway!
 
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Rexper

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Overclock as far as you can whole still being in safe temps and voltage. No point stopping. A better PSU will give a more stable voltage to the CPU, and simply meaning it results in better overclocking.

To chugalug, This proffesional review claims a system containing 7700k overclocked and GTX 1080ti consumes 330w average while under gaming load. Times by 0.85 due to PSU efficiency is 280w the actual hardware uses. Add more drives, GPU overclocking, etc can add up 50w.
 
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Chugalug_

Chugalug_

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Jan 28, 2016
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Note that's a founders card, add an aftermarket solution with more power phases, connectors and a synthetic stress test and my estimate is about right, especially with OCs.
The power drawn from the wall still gets processed through the unit, a certain amount is just always dissipated as thermal output. Wall draw = power draw full stop generally.
 
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