Is my psu ok

P4Clock

P4Clock

P4Clock

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Joined
6 Feb 2010
Posts
6,138
Location
Barnsley
Seasonic G series 750w 80 plus gold
CPU 4670 none K
4x4GB 1866 1.5v
750 HDD 250 SSD
2xR9 290 (only one now but adding a second soon)
2x10w DDC pumps
Run of the mill keyboard and mouse
6x AC120mm fans @50% fixed.

Can't think of any other drain on the psu, do I need to go bigger on the psu, amd say 600w minimum for system plus one card and they spec 260w each. But a lot of online tester's say system with one card pulls 300 to 400 at the wall with a Overclock my system is not over clocked. And the second card would only add around 70% more gpu load so max would be ???? 600-650w if the online test ppl are right. What your view
 
Power consumption AMD Radeon R9-290 2-way Crossfire
System in IDLE = 130W
System Wattage with GPU in FULL Stress = 603W
Difference (GPU load) = 473W
Add average IDLE wattage ~20W
Subjective obtained GPU power consumption = ~ 493 Watts

with much more power hungry CPU.

so, imho, unless you're overclocking cards heavily, you would be ok.
 
As its a good quality 750W PSU you should be fine if it was a bad name one I wouldn't be so sure. Hope you find your future Graphics upgrade/Crossfire good
 
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