500 watt enough?

Bosaile1 · May 4, 2014

building new system.
Specs:
Motherboard: Gigabyte A88X UP4
GPU's: Powercolor 7790 x2
PSU:Corsair CX-500M
HDD: 250GB western digital blue 7200rpm
CPU: AMD A10 6800k
RAM: 8GB of 1866Mhz DDR3 (dual 4gb sticks)
I have 2 120mm fans and no additonal lights or accessories on the system

My main question is will a 500W Psu be enough for X'fired 7790's.

Other than that opinions on the system are welcome to

cball1311 · May 4, 2014

No. 500W will not handle two 7790's. If this is a new build and you haven't bought anything yet, we could do some critiquing. What's your budget?

Bosaile1 · May 4, 2014

did a psu calculator it was 409 without my fans

cball1311 · May 4, 2014

On the PowerColor website, they say that minimum requirement is 500W for one GPU. I would go no less than 750W.

http://www.powercolor.com/Global/products_features.asp?id=468#Specification

Derek Warner · May 4, 2014

I am pretty sure it won't be enough, but if you want to know for sure go to http://www.coolermaster.outervision.com/ and fill in your specs. I really don't reccomend going crossfire btw. just spend more and get a better single card. Many games dont support crossfire (at least not out of the gate) and it requires a much beefier psu and a better motherboard, also i dont't think it makes sense to get an apu.

I don't know what you're planning to use this computer for but i think you should look into a different build altogether. Whats your budget? Is this meant to be a gaming pc?

Deleted member 217926 · May 4, 2014

7790 Crossfire needs a recommended 575 watts. So go with a quality 600-650w unit and you will be fine. Just because there are relatively few 600w models out there. 650 watts is more common.

Trust this list.
http://www.realhardtechx.com/index_archivos/Page362.htm

The Corsair CX series are budget units that have substandard capacitors that will cause them to die when stressed. I would not try it with what you have.

RazerZ · May 4, 2014

You should look into a new build with a fx 6300 or i3 instead of the a10

Derek Warner · May 4, 2014

RazerZ :

i agree as i underwstand it the fx-6300 is cheaper and it will offer much better performance. i still dont reccomend dual 7790's. please in the name of god get a single r9 280/ gtx 760 for the same or less. these are both great cards and much more preferable than your dual 7790 solution

Bosaile1 · May 5, 2014

well the 7790's were 80$ each, so i was like WOW low. and i had the fx 6300 not a big fan of AM3+. not alot of decent boards. the A88X UP4 is pretty badass. ill probably get a 7950

Derek Warner · May 5, 2014

But the cpu that you have right now isnt a cpu it is an apu. This means that you are paying a lot more for high performance integrated cpu graphical performance which doesnt make sens if your getting a discreet gpu. I strongly suggest an fx-6300 but if you insist on an fm2 board get an
athlon X4 760k. it has the same performance without the graphical features that you wont use. the 7950 is a great idea.

Bosaile1 · May 7, 2014

well i got a really good deal on the A10 the otherday. and i stuck a old 7770 laying around and using it. then ill be getting a 7870 or 7950

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500 watt enough?

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