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December $600 build modified, PSU related question. (sorry for dpost)

Last response: in Systems
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December 31, 2011 2:20:10 PM

so here's my question, assuming all the components will be exactly the same as the $600 marathon build ( http://www.tomshardware.com/reviews/core-i5-overclock-p... ) for dec 2011 except for the PSU which would be a:

http://www.corsair.com/builder-series-cx430-v2-80plus-c...

Corsair CX430 V2 Power Supply (CMPSU-430CXV2)
Voltage............................+3.3V.......+5V.....+12V........-12V.......+5Vsb
Max. Current....................20A..........20A.......28A.........0.8A..........3A
Max Combined Wattage...120W..................336W.......9.6W.......15W

because i already have it, would that be sufficient wattage to swap the radeon out for a Geforce GTX 560 Ti?
http://www.nvidia.com/object/product-geforce-gtx-560ti-...
Thermal and Power Specs:
Maximum GPU Temperature (in C) 99 C
Graphics Card Power (W) 170 W
Minimum Recommended System Power (W) 500 W
Supplementary Power Connectors Two 6-pin

I noted on the power consumption benches that it never goes above like 310 watts, but i'm not sure if that means what i think it means, because it had the "at the source" modifier.

bottom line is, i would like to skip a PSU purchase if at all possible, but i also don't want my pc to catch on fire once it's done..

i've tried several psu calcs but even with the stock build they suggest a 700 watt psu which seems seriously overkill.
December 31, 2011 3:27:31 PM

310 I think is just for gpu. You'll need better psu for 560ti. Maybe ocz modxstream 600w if u on a budget. Or pc power and cooling mk iii 600w
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