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Is 650W enough for GTX 460 768MB SLI + Thuban OC'd? - Page 2

post #11 of 41
Quote:
Originally Posted by listen to remix View Post
Nvidia recommends a 450W for GTX 460 SLI or single?




a 450W for a thuban and dual gpus??



Can you elaborate??
that should be more than enough for that setup read my sig... 650 is enough for sli 570s
Edited by phantasmor - 4/20/11 at 6:36pm
post #12 of 41
The 650W PSU is fine.... I ran dual 260's, Overclocked quad, including loop and 5 HDD's on a not as good Antec EA650W...

Power consumption of the GTX 460 768MB is around ~150W stock... So with your overclock say ~175W (max)... With two of those thats around ~330W leaving you a good ~300W for CPU and other components....

With that better seasonic based unit, it will easily power it.
Edited by TheReaperWaits - 4/20/11 at 6:41pm
 
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post #13 of 41
It will be plenty enough for what you have. Try the Antec PSU calculator. This thing is actually pretty accurate.

http://www.antec.outervision.com/
post #14 of 41
Thread Starter 
Quote:
Originally Posted by phantasmor View Post
that should be more than enough for that setup read my sig... 650 is enough for sli 570s
The 500 series is known to use less power but still this article says you need at least a 750W+ and that's without overclocks.

http://www.guru3d.com/article/geforc...-sli-review/13
    
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post #15 of 41
Thread Starter 
Quote:
Originally Posted by Chuckclc View Post
It will be plenty enough for what you have. Try the Antec PSU calculator. This thing is actually pretty accurate.

http://www.antec.outervision.com/
It says 633w with the GTX 460 at stock
    
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post #16 of 41
Quote:
Originally Posted by listen to remix View Post
The 500 series is known to use less power but still this article says you need at least a 750W+ and that's without overclocks.

http://www.guru3d.com/article/geforc...-sli-review/13
not according to Shub, Chomps, and Phaedrus, they all said the same thing! 650w is enough for sli 570s

edit: and if you read that review it says that their test rig, the WHOLE RIG pulled 578W total....
Edited by phantasmor - 4/20/11 at 7:06pm
post #17 of 41
Thread Starter 
Quote:
Originally Posted by phantasmor View Post
not according to Shub, Chomps, and Phaedrus, they all said the same thing! 650w is enough for sli 570s

edit: and if you read that review it says that their test rig, the WHOLE RIG pulled 578W total....
I read that part too but on page 13, it says this:
"GeForce GTX 570 in 2-way SLI

A second card requires you to add another ~225 Watts. You need a 750+ Watt power supply unit if you use it in a high-end system (800+ to a KiloWatt is recommended if you plan on any overclocking)."

I wish one of the gurus will stop by this thread to clear this up
    
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post #18 of 41
Quote:
Originally Posted by listen to remix View Post
I read that part too but on page 13, it says this:
"GeForce GTX 570 in 2-way SLI

A second card requires you to add another ~225 Watts. You need a 750+ Watt power supply unit if you use it in a high-end system (800+ to a KiloWatt is recommended if you plan on any overclocking)."

I wish one of the gurus will stop by this thread to clear this up
Phaedrus IS one of the "gurus" and he said 650w is fine for 570 sli
post #19 of 41
Thread Starter 
Quote:
Originally Posted by phantasmor View Post
Phaedrus IS one of the "gurus" and he said 650w is fine for 570 sli
I know Phaedrus is one of the gurus. But 650w is fine for 570 SLI is very vague. Also, I have decent overclocks that might push my PSU to the limit. I also believe 650W could handle my rig until my PSU started smoking. I don't want a repeat of the past =(
    
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post #20 of 41
thats perfect i would say the XFX model is solid
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