How can i know how many watts do i need?

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Maria Cristina_1

Commendable
May 9, 2016
20
0
1,510
My build is a

i7 6700k
Titan HATI (CPU Cooler)
R9 390X 8gb
16gb RAM DDR4
Asus Z170 Pro Gaming
1 TB

Right now i'm using a 725W PSU, but i'm looking for a new one and i want to know how many watts i need.
 
Solution
Dunlop0078


Really they are both excellent in terms of quality. Fully modular is nice if your cramped on room in your case of you are going for that clean minimal wire look. If the OP can get the 750watt B2 in their country for cheaper...
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Use a PC watt calculator. There are plenty of options to choose from.
These 2 (Extreme Outer Vision is what I've used in the past):
http://outervision.com/power-supply-calculator
http://powersupplycalculator.net/

And 1 from Coolermaster and 1 from Bequiet:
http://www.coolermaster.com/power-supply-calculator/
http://www.bequiet.com/en/psucalculator

I'm sure a google search will help you find more websites to your liking.
 
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Well, that sucks. With a quick look I can tell you the XFX is the best one, but its also the most expensive- 3500 dollars, which of course cant be US dollars.

Are you sure these are the only 3 that you can get? Surely there must be more options. I found plenty in that website, is it not possible to get anything else?

 
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Which one would you recommend between the XFX and the EVGA?
 
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The EVGA one, but seriously 850W is too much of an overkill.
I cant recommend it unless you are running 2 cards in Crossfire.

Btw, EVGA's Power Meter (with your specs) recommends a 550 W minimum. I cant say I trust their Calculator, as its definitely biased and they will only recommend EVGA PSU's.

In any case, if you can afford it, then why not get the EVGA one.
But if It was me, I'd get the 750W SuperNova B2, which is more than plenty, and can even handle extreme overclocking in your unlocked CPU.
 
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Either are fine the XTR is a bit cheaper and built by seasonic a reputable psu manufacturer. The EVGA B2 is built by superflower another reputable manufacturer. Either would be fine I would probably save myself some money and go for the XFX, its fully modular and 80plus gold unlike the B2 as well.
 
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I'm gonna have to agree with you. The OP will save some money, and the XFX is more efficient.

When I said I'd pick the EVGA, I'd only get 750W model, which should be cheaper than the XFX, but I dont know.
 
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Really they are both excellent in terms of quality. Fully modular is nice if your cramped on room in your case of you are going for that clean minimal wire look. If the OP can get the 750watt B2 in their country for cheaper than the XTR 750, I would say thats a good choice as well.
 
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Solution

Indeed, you are correct sir.

I would like to add that I am biased on my pick, and thats why I have a tendency to pick EVGA over XFX.
We all have our biases when it comes to brand names, and building trust on some products based on our experience, and it isnt quite possible to be 100% objective at all times.

So yes, either of the 2 will do the job perfectly fine.

P.S. Personally I have no use for modular features, but I understand why some people would love a modular PSU.
 
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