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25998
April 23rd, 2013 22:00
x51 with GTX 680 without extra external power supply
I just get the x51 only case, and I'm riding for trying save watts to use a GTX680, but to lose the least possible performance.
Configuration:
i7 3770s - em relaçao ao i7 3770, the loss of performance is insignificant and generates savings of 12w.
16gb 1600 Kingston HyperX LoVo - Uses only 1.35 v, in comparison with memory 1.5v, saving more 3w.
Samsung ssd 840 250gb - also considered a more economical brand.
GTX 680 2gb
i will add a second power 30w inside the case, in place of hd 3.5, supply is so small it fits with the ssd, it will be connected the fans, panel lights, and ssd. Calculate here savings of approximately 11w. (note the consumption of the pump will be ignored, not to disturb the calculation, it will be connected to the mini supply).
Seen in other forums, reports the consumption of a gtx 670 4gb, together with i7 3770, 8gb 1600 1.5v, and the same ssd, varying their consumption between 280 to 310W at load. A GTX680 should consume a maximum of 20W more, and with my savings totaling 26w, will be one that can run 680?
(sorry my English is a second language)
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DELL-Rajath N
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1.8K Posts
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April 24th, 2013 08:00
Hi pprjr,
The NVidia GTX 680 used 195W of power, which is 25W more than the GTX 670. The power adapter supplied with the Alienware X51 with a discrete video card configuration supports up to 330W. You can use the card without an additional power supply if the total power requirement is within 330W.
You will need to use a 550W AC Adapter is the power requirement exceeds the rated wattage of 330W.
pprjr
10 Posts
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April 25th, 2013 19:00
I then use a power 550w instead of 330w?
I never heard you can do this, because the motherboard is configured to accept only 330w i think.
A second option that I thought is add a second supply internally below the video card because the video card will be with a water cooling, which will free up space. But I have no notion of how much space will free up. But I think it will fit. The supply has Dimension:3.2" x 1.7" x 6". But if I really can just swap my power 330w to 550w, it would be much better. Please explain better. the link below would be the internal source.
pprjr
10 Posts
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April 25th, 2013 20:00
www.sparklepower.com/.../SPI500U4BG.pdf
cruser12
353 Posts
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December 31st, 2013 20:00
89fordprobee
1.2K Posts
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December 31st, 2013 21:00
yea I would be curious on this 550watt brick since its the only thing limiting me from overclocking potential of my Xtreme cpu lack of power from the 330 watt psu on my m18X ...
remember tho when figuring out power draw for system is i7 and board draws rougly 125 watts .. then hdd .. fans.. lights..cooling.. peripherials like keyboard/mmouse .. and so on
cruser12
353 Posts
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December 31st, 2013 22:00
so how much power do you think i draw i have alienware x51 with a alienware Tactx keyboard and mouse a a external 1tb segate FA go flex drive a powered xbox 360 controler, internals is a i7-3770 CPU 8 gb ram pny geforce gtx 660ti and the other stock stuff on the x51
Tesla1856
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17.7K Posts
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January 1st, 2014 15:00
You'll never get there. You might also have cooling problems.
Install GTX-680 in ATX Mini Tower or larger with appropriate power-supply (a little over-sized) and other parts.