Will 800 Watts be sufficient enough for two r9 280x's in crossfire?

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RollTide615

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Apr 11, 2013
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I currently have a Corsair GS-800W PSU and was wondering if that would be sufficient enough to run two r9 280x's in a crossfire setup?

My current setup is:
AMD FX-8350 (with cooler master hyper 212+ cooler)
1TB WD Blue HDD
(2x) Gigabyte 7870's Ghz Edition (Crossfired)
Case has 3 fans total (2 200mm and 1 120mm)

Just wondering if with my current setup i'd have enough juice to power two 280x's?
 
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RollTide615

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Apr 11, 2013
21
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10,510


This has me a little worried after reading that, his power consumption for the whole system is at 900 watts under FULL load for the 2x 280x's. Do you think I should consider an upgrade on the PSU before buying the cards? I'd rather be safe than sorry even if it means putting off buying the cards until i can get a new PSU
 
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jkteddy77

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Jun 13, 2013
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in the same position as you right now :/ graph worries me too
 
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MegaBite1986

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Oct 31, 2013
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I have 2* 280x from Gigabyte with a Corsair RM850 PSU ( Gold Eficiency), and the system works just fine even at full load. The rest of my rig is as it follows : Proc - Phenom II 1055T , 2*2GB of KingMax 2200 MHZ XMP RAM , 3 HDD,1 SSD, 2 DVD-writers motherboard GA-790FXTA-UD5, a Creative X-FI sound card and a few fans. The only problem that I had was the temp. The two crossfire card are very close and the temp is a bit high.

Hope this helps you. I think you will have no problems with the PSU and there is no need to spend money on a new one, because, a good PSU that`s over 800 has a big price.

 
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