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Sufficient enough PSU

Last response: in Components
February 20, 2013 11:19:13 PM

I recently purchased parts that are on the way, and have started to get concerned that my psu is cutting it close.

My PSU: nzxt hale 90 750w
Relevant factors:
I7 3770k hopefully ocd to 4.6ghz
Swiftech h220 when it releases
5 additional 140mm case fans
2 gtx 670s SLI
Some LEDs for craps
1 tb 7200 rpm hdd
120gb ssd
DVD write/read

Is the 750w cutting it too close? Will it permit over clocking?
Thank you

More about : sufficient psu

a b ) Power supply
February 20, 2013 11:32:22 PM

Nah, that's a good power supply, so you'll be fine.

If it were a cheap 750w, then you might be in trouble, but NZXT is reliable.
February 20, 2013 11:37:10 PM

i think you're safe
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Best solution

a c 122 ) Power supply
February 20, 2013 11:41:35 PM

nVidia itself recommend 500W for a single 670.

For testing conducted for SLI 670, the resulting system consumption for SLI is 433W of which 293W are attributed to the gpu cards.

If you use this psu calculator considering your components, the result is 564W (overclocked processor & used 680x2 to simulate gpu OC:

All points out to 750W being more than enough.
February 21, 2013 1:05:33 AM

thanks a lot guys, i figured it would be okay, esp it being a quality psu. I just tend to worry at the end out of excitement =P

February 21, 2013 1:05:42 AM

Best answer selected by dakotaritz.
a c 122 ) Power supply
February 21, 2013 1:06:29 AM

No problem.Your welcome.