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Do I need a bigger psu?

Tags:
  • Components
  • RAM
  • Gigabyte
  • MSI
  • Intel i5
Last response: in Components
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April 24, 2014 6:40:26 PM

My current setup is:
CPU: i5 4570
RAM: 8GB Ram
GPU: MSI R9 280x
MOBO: Gigabyte H87-D3H
SSD: Kingmaxx 240gb
HDD: Seagate Barracuda 1tb
PSU: Corsair cx750m
I am looking to add another 280x and upgrade my processor and motherboard. Do I need a bigger psu or will the one i have be big enough for 2 280x's? If I was to upgrade, should I just get a large 1000w psu and be covered for whatever, or get something smaller?

More about : bigger psu

April 24, 2014 6:48:56 PM

You should be fine as long as you aren't OCing anything. As long as you are running stock you should be using 600-650W of power.
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April 24, 2014 6:53:57 PM

Your power supply is sufficient for what you are running.

Why are you planning to upgrade the processor and motherboard? Your processor is still very good for gaming.
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April 24, 2014 7:04:19 PM

I wouldn't SLI with a CX Series power supply from corsair , they are cheap and have poor capacitors.

They don't deal with stress very well.
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April 24, 2014 8:51:36 PM

Thanks for the fast replies! I may look at just getting an 850w power supply just to cover myself. Is the corsair HM850 a good choice? i figure if I'm going to upgrade I may as well upgrade to a gold psu. I'm in Australia but thanks so rpices are a lot more over here but thanks for the help :) 
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Best solution

April 25, 2014 7:47:31 AM

It's good. 850W is enough power and the HM line is fine. The CX line is the only one I know that has issues, and even then it's not horrible.
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April 25, 2014 4:44:41 PM

VS,CX , RM all have low quality capacitors.
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April 26, 2014 7:05:25 AM

And I know this is where we disagree SR-71. Lower quality != bad PSU or bad caps. Not everyone can drive a Cadillac or Mercedes. Some of us have to make do with Chevy's or Fords. I would avoid the Yugo's and other such ones at all costs.
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