Making sure my psu wont explode when i put my gpu in?

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Matt282

Commendable
Apr 22, 2016
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so i recently has a 480w logisys psu that a user on this forum told me if i had installed my gpu which would be a evga 960 ssc. my power supply would have erupted in a display of "fireworks and smoke" (verbatim) so i heeded this guys advice and took the web to learn a bit more about psus. i came to buy an antec 550w continuous power supply with 2 12v rails pushing 30 amps and both combined outputting 444w. so my question is will my psu handle the 960 now (which will pull 160w by it self)

my rig is an core i3-4170, 16 gb patriot ddr3 1600mhz, 1tb hdd, soon to be 960 ssc

(i also plan on OCing the gpu to around 1500 mhz which i would safely assume would up power consumption to maybe 10- 20 w not sure insight on this also would be much helpful)
 
Solution
R
Took a look at the way the rails are split.

The EPS connector for the motherboard is on one rail, everything else is on the other rail. Either one is capable of putting out 360w on it's own, so an i3/GTX960 would be 200w max. Add in a few drives and you're still more than ok on the power draw.
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Matt282

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Apr 22, 2016
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how would i know which component is on which rail would they outline that in the owners manual of the psu?
im guessing something like the 20+4 pin would be on one 12v rail while the pcie 6+2 connectors would be in a separate rail?
 
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Rookie_MIB

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Jul 27, 2013
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Not necessarily. If they follow the correct wiring conventions, the way to tell if things are on a different rail is one pigtail would have solid red/yellow wires for one rail, the other rail would have red/yellow STRIPED wires (as in red/white stripe, red/black stripe or yellow with white or black stripes).
 
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dark_globe

dark_globe

Splendid
Aug 16, 2013
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even if the entire system would be powered by only one of those rails :
power supply would still be capable to deliver 30A (360w of power)
system with i3 and gtx 960 will not get even close to such power consumtion .

not to mention modern power supplies are designed smarter than this ,
manufacturer (i think delta in this case although we don´t know the specific model of this antec PSU)
certainly knows better than to overdrive one rail and left the other in idle mode .
 
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Rookie_MIB

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Jul 27, 2013
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Took a look at the way the rails are split.

The EPS connector for the motherboard is on one rail, everything else is on the other rail. Either one is capable of putting out 360w on it's own, so an i3/GTX960 would be 200w max. Add in a few drives and you're still more than ok on the power draw.
 
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