How much power can i actually use on my 750 watt psu?

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computerbuilder3211

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I have a corsair 750 watt bronze psu http://www.corsair.com/en-us/cx750-80-plus-bronze-certified-power-supply. Hypothetically would it be able to handle a constant 675-700 watts?
 
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Hypothetically, yes. The only downside would be that at a constant 700w would decrease your power supply's lifetime. And it isn't wise building a machine running with 700w with a 750w PSU. I personally wouldn't use that much wattage for a bronze certified power supply for the reason that its alot of power! Electricity bill is expensive enough with a 500w power supply.

Hope this helps.

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MadGHatter

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Hypothetically, yes. The only downside would be that at a constant 700w would decrease your power supply's lifetime. And it isn't wise building a machine running with 700w with a 750w PSU. I personally wouldn't use that much wattage for a bronze certified power supply for the reason that its alot of power! Electricity bill is expensive enough with a 500w power supply.

Hope this helps.

 
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computerbuilder3211

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I know my system is not hitting that right now but im just wondering if it would be safe to use 675-700 watts if i upgrade parts in the future. Right now my specs are:
Cpu: Xeon E3 1231 v3
Ram: 16gb ddr3 2400mhz
Gpu: Msi R9 390
 
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Dugimodo

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No Single Graphics card / CPU combo you are likely to get will draw anywhere near 700 watts, and dual cards are problematic enough to be avaoided for most users.

Also if you do ever draw near 700W the ratings for each voltage rail need to be considered. '
Input your current specs here http://outervision.com/power-supply-calculator and see what it recommends, then try again with your intended upgrade parts. You may be surprised how low it is.

My i7 6700K & GTX980 combo happily ran off a 550W PSU for some months, only upgraded because I had a better one available for nothing.
Another thing you can do is invest in a watt meter and measure usage at the wall plug - trouble is then you have to try and factor in efficiency to find out actual power use.
 
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