Is it ok to have a 1000W PSU for a single GPU?

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KiboRibo

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Jul 30, 2014
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HI,im thinking of getting a 1000W power supply for my r9 290.Is it a bit overkill?I think of getting all my new parts for the pc and later add another r9 290 in Crossfire.The time il wait for the secod Gpu will the Psu damage my components? IM thinking of overcloking the GPU's even if they are in crossfire and the CPU.MY question is this:WILL THE 1000W PSU BE TOO MUCH FOR MY PC BEFORE I GET THE SECOND GPU.
Parst:
GPU-R9 290 Tri-x
HDD-1TB Seagate Barracuda
CPU-I5 4690K 3.5Hz
MOTHERBOARD- mb-lga1150-z97-asrock-z97-pro4
RAM-DDR3 8GB 1866MHZ-kingston-hyperx-fury
CASE-Fractal DEFINE R4
 
Solution
dish_moose
No matter what the size, eficiency is rated Platinum, Gold, Silver, Bronze....
A 1000W Gold delivering 500W is likely even more efficient than a Gold 500W delivering 500W. It will cost more though. ;-)
-Bruce
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dish_moose

dish_moose

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Jul 7, 2010
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Think of your car. The motor may be 400 HP. You don't always need/use all that power but it is available to you when needed. Power supplies have maximum wattage/current ratings that only come into play when the load (amount of devices using power) is exceeded. Many PSUs operate at peak efficiency while using 50% of their rated output. With 1 or 2 GPU(s) you will have no problem with a quality PSU.
-Bruce
 
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KiboRibo

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Jul 30, 2014
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i thot that if i had a more powerful PSU that i would have lover efficiency and that it would draw more pwer from the wall then it has to that means i would also have a biger power bill
 
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