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650W minimum for GTX 560 SLI + OC'd 2500K? - Page 2

post #11 of 13
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Around $130 - 150 CDN. I found an X650 on Newegg.ca for $150 so my search might have ended unless there's a better deal somewhere else.
Neutrino
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Neutrino
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post #12 of 13
sent pm check it wink.gif
Blue-Saber 2012
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Blue-Saber 2012
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post #13 of 13
In a high system, with cpu and gpu overclocked, the consumption of energy, at the maximum load, does not exceed 450-500 watt real....
Below, you can see the power consumption with a SLI of GTX 560 ti Asus and Palit Oc at 900 and 1000 mhz:
http://www.bjorn3d.com/read.php?cID=2006&pageID=10203
The system setup is:
http://www.bjorn3d.com/read.php?cID=2006&pageID=10198

In this case the psu is an Corsair AX750 with efficiency of the 90%!
Now, under stress (Metro 2033 full hd maximum details), the power consumption not exceed 535-542 watts, measured at the wall with a "Kill a watt" tester, with gpu core at 1000 mhz!!
Removing the inefficiency (10%) of the psu the entire system consumes about 470-490 watts...

Here a review of a system based on Sandy Bridge 2500k oc at 4,7 Ghz, 2 x 4 Gb 1600 DDR3 Corsair, 2 x SLI EVGA GTX 560ti FTB overclocked at 900 mhz, Asus P8P67 Pro, etc etc with a PSU 650 watt XFX Core edition!!
http://www.hexus.net/content/item.php?item=29060



Another test:
http://www.hardwareheaven.com/reviews/1104/pg18/asus-geforce-gtx-560-ti-directcu-ii-top-review-and-sli-performance-overclocking-power-noise-temps.html
With this system:
http://www.hardwareheaven.com/reviews/1104/pg4/asus-geforce-gtx-560-ti-directcu-ii-top-review-and-sli-performance-test-system-and-methodology.html

498 watt, measurement also at the wall....

A good 650 watt psu can easily support an 560 SLI overclocked!!!

Finally, the power consumption of a high system and SLI of GTX 580, is about 660 watt, measured always ath the wall:
http://www.bjorn3d.com/read.php?cID=1957&pageID=9820
System testing:
http://www.bjorn3d.com/read.php?cID=1957&pageID=9815

At maximum load, with gpu OC (asus tweak), the power consumption of entyre system is around 600 watt, removing the inefficiency of the psu...

redface.gif:D:D:)
Edited by Myrmeleon - 3/19/11 at 2:23am
Callisto
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Callisto
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Intel I7 4790K  Gigabyte Z97X Gaming GT Gainward GTX 780 Ti Patriot Viper 3 2133 2 x 8 Gb 
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Samsung 840 EVO 128 Gb Kingston Hyper-X 3k 120 Gb LG Generic RW DVD Noctua NH-U12P SE2 
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Win7 64 bit  BenQ XL2410T Tesoro Durandall XFX 750PRO full Modular Gold 
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Cooler Master Storm Sniper BE Razer Taipan Razer Goliathus Control Asus XONAR U7 
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