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

Tags:
  • GPUs
  • Power Supplies
  • Crossfire
  • Graphics
Last response: in Graphics & Displays
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September 14, 2014 1:33:21 AM

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

More about : 1000w psu single gpu

September 14, 2014 1:41:28 AM

Yes it is perfectly fine. A system will only pull what it needs from the psu. So you cant really have too much power, it just wont be utilized.
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September 14, 2014 2:39:21 AM

AMD Radeon R9 290 Crossfire - On your average system the cards require you to have a 800 Watt power supply unit as minimum
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a b ) Power supply
September 14, 2014 3:04:23 AM

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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September 15, 2014 6:52:28 AM

gamer1357 said:
Yes it is perfectly fine. A system will only pull what it needs from the psu. So you cant really have too much power, it just wont be utilized.


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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a b ) Power supply
September 15, 2014 2:27:37 PM

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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