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CORSAIR 520watt with 480GTX....

Why did you buy a tx650 then, when a hx 520 is more than you'll ever need? surely not to power your gtx 460, that takes less power than a gtx 480

I think the point is that if you NEED a new PSU, then buying one capable of a higher power output is probably advisable as no one knows what the consumption of future components is going to be like (for instance back in '05/'06 most cards were consuming <150W, now we have single GPU cards consuming up to 300W).

However if you already own a decent 520W supply then there is no need to go out and waste £100 on a PSU you don't need yet, since 520W is more than enough for pretty much every single GPU/CPU config.
 
Corsair HX520

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Antec HCG520

antecl.th.jpg
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Its simple to work out. Add the maximum 12v requirement of everything in YOUR system, convert into amps and subtract from the PSU's 12v out put. Factor in a little for wear and tear you have you have a ball park idea if you can run your rig.

If the PSU has split rails then you need to take a guess.

Every system will be different.


What is the spec of the PSU we are talking about ?

The Corsair HX520W seems to be 3x12 volt with a peak of 18 amps each.
 
OP do the sensible thing and stop posting in this thread, ask yellowbeard or another corsair tech and just get the right answer.
 
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The Corsair has 54A across the 12v rails, the Antec only has 40A.

arrghh no it doesnt! 480w max on the SINGLE 12v rail. that's 13.something amps per 'rail' if you insist on splitting it, or 40a max.

Look at the maximum output on that very photo - 480W!


how many times do i have to keep saying it ? :(
 
Excuse small hijack... Could a OCZ StealthXStream 2 500W Power Supply, take a BFG GeForce GTX 280 OC, with a 2.6 core 2 duo. I think i wont get away with it.
 
Excuse small hijack... Could a OCZ StealthXStream 2 500W Power Supply, take a BFG GeForce GTX 280 OC, with a 2.6 core 2 duo. I think i wont get away with it.

I dont see why not, I've run an overclocked Q6600 with an overclocked GTX280 for years on my HX520..
 
arrghh no it doesnt! 480w max on the SINGLE 12v rail. that's 13.something amps per 'rail' if you insist on splitting it, or 40a max.

Look at the maximum output on that very photo - 480W!


how many times do i have to keep saying it ? :(

Then why do the rails each have 18A on the HX520 specs?
 
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