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post #21 of 46
Uh yeah, that's why I said that a quality 550W would be fine. They are measuring the power draw from the wall, so let's take that 433W power draw at the wall, and let's pretend that their PSU was 85% efficient at that time. If so, then the system was pulling about 368W from the power supply.

368+150=518W.

A quality 550W is enough.
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post #22 of 46
Quote:
Originally Posted by TwoCables;12981760 
Uh yeah, that's why I said that a quality 550W would be fine. They are measuring the power draw from the wall, so let's take that 433W power draw at the wall, and let's pretend that their PSU was 85% efficient at that time. If so, then the system was pulling about 368W from the power supply.

368+150=518W.

A quality 550W is enough.

I saw your post before I posted mine. I'm sure that overclocking (both CPU and GPU) will break 550W easily, but like I said, it doesn't matter now since he bought his 850W already.
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post #23 of 46
Just get 2x 2Gb 460's
post #24 of 46
Its all sweet. Just dont use much antialiasing and your fine. All the recent ranting from the ati 2gb vram club fanboys is complete bollocks. Its been prooven time and time again 1gb does the trick just fine. I run everything heavily oc`ed on my 650w and havent smelt any burning yet wink.gif
    
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post #25 of 46
Quote:
Originally Posted by Roweyi7;12981910 
Just get 2x 2Gb 460's

Exactly, two of these are what your looking for. More potential then a 480, with more VRAM to boot.
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post #26 of 46
Quote:
Originally Posted by NuclearCrap;12981718 
It pulls 433W with 100% GPU stress, not CPU + GPU stress. It even says on the bottom of the page:



For safety reasons and some expandability, he should go with at least 650W, but I guess it doesn't matter now since he bought a 850W, though I wouldn't say it's overkill since that thing will probably last him quite a few builds down the road.

Back on topic, if I had 460 SLI I'd just game on a single 1920x1080 screen. Keep in mind that even if you go with 3x 1440x900, you'll basically be putting a similar workload on those cards as if you were running a single 2560x1600 monitor.

+ 1
Some of the best advice about a psu i have seen in a while! I usually see people on OCN recommending a 50w for this setup SAYING A 100W WOULD BE OVERKILL!biggrin.gif
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post #27 of 46
Quote:
Originally Posted by MIKEVALL;12981987 
+ 1
Some of the best advice about a psu i have seen in a while! I usually see people on OCN recommending a 50w for this setup SAYING A 100W WOULD BE OVERKILL!biggrin.gif
Really? What about what I said, which I copy/pasted below?

"Uh yeah, that's why I said that a quality 550W would be fine. They are measuring the power draw from the wall, so let's take that 433W power draw at the wall, and let's pretend that their PSU was 85% efficient at that time. If so, then the system was pulling about 368W from the power supply.

368 + 150 = 518W (they said add 100-150W)

A quality 550W is enough."
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post #28 of 46
Quote:
Originally Posted by TwoCables;12981994 
Really? What about what I said, which I copy/pasted below?

"Uh yeah, that's why I said that a quality 550W would be fine. They are measuring the power draw from the wall, so let's take that 433W power draw at the wall, and let's pretend that their PSU was 85% efficient at that time. If so, then the system was pulling about 368W from the power supply.

368 + 150 = 518W (they said add 100-150W)

A quality 550W is enough."

Some good advice also:D
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post #29 of 46
Quote:
Originally Posted by TwoCables;12981994 
Really? What about what I said, which I copy/pasted below?

"Uh yeah, that's why I said that a quality 550W would be fine. They are measuring the power draw from the wall, so let's take that 433W power draw at the wall, and let's pretend that their PSU was 85% efficient at that time. If so, then the system was pulling about 368W from the power supply.

368 + 150 = 518W (they said add 100-150W)

A quality 550W is enough."

Didn't you read Nuclear's post?.. What about when you overclock and such. 550W won't cut it (stock 460s and the CPU was only 3.3Ghz). And those test setups only use basic stuff like 1 fan and 1 hard drive. And why are you using a 650W when a quality 550W is enough for your setup?.. You should take your own advice :u
    
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post #30 of 46
Quote:
Originally Posted by TwoCables;12980933 
Maybe he isn't as tech-savvy as us. Either way, why does it matter? He's just asking a simple question.



Your 450W is enough:

http://guru3d.com/article/geforce-gtx-460-sli-review/15

An 850W is extremely excessively major overkill to power a system with just two GTX 460s in it.

vx 450 is enough for 2 460?
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