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Power supply to run ati 4670,5670,5750

Last response: in Graphics & Displays
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February 23, 2010 5:51:13 AM

I have a raidmax 450W with 21 amps on the +12 volt. Will this be enough to power any of the graphics card listed above?
I am not planning to overclock or anything.
If this psu isnt strong enough what would be cheapest power supply that i would need to run it?

note: I recently had an 8800gts that ran well with this psu, but I discovered from some post that an 8800gts require more watts but the cards posted above requires less but need more amps? Why?
a b ) Power supply
a b U Graphics card
February 23, 2010 2:47:28 PM

All those cards will run fine with that PSU.

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February 24, 2010 2:10:00 AM

shubham1401 said:
All those cards will run fine with that PSU.


Really? But isnt the 21amps a little low and requires more?
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a b ) Power supply
a b U Graphics card
February 24, 2010 2:31:31 AM

21 Amps will be enough for those but you will be cutting it close.

But If you have the money then you should upgrade the PSU.
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a c 288 ) Power supply
a c 202 U Graphics card
February 24, 2010 2:37:03 AM

just to double check, this wouldnt happen to be the raidmax you have would it?(Please god say no)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If it is i recommend replacing it based on principles alone and investing in a good PSU that will last you atleast 5 years and doesnt risk blowing up your components. Something like the corsair 550VX will power any single GPU video card without an issue, but the 3 cards you listed could easily run on a 400CX which is cheaper.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Generally if your PSU shows up as the star of a video clip its not a good thing, its really not a good thing when it stars along side sparks.
http://www.corsair.com/cinema/movie.aspx?id=622747
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Best solution

February 24, 2010 3:59:22 AM

You could run the 4670 or the 5670 off that PSU, but not the 5750. The 5750 requires a 6 pin PCI-E power connector which the Raidmax on Newegg lacks. (Assuming your 450W Raidmax is the same as the newegg model). Also, I wouldn't trust any PSU that is available for $14.95 after mir. to power any decent graphics card and CPU.
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February 24, 2010 11:29:54 PM

Thanks! Those were the answer i needed.
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March 9, 2010 1:44:20 AM

Best answer selected by peeonatree.
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