Solved

Sufficient enough PSU

Hello,
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
6 answers Last reply Best Answer
More about sufficient
  1. 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.
  2. i think you're safe
  3. Best answer
    nVidia itself recommend 500W for a single 670.
    http://www.nvidia.in/object/geforce-gtx-670-in.html#pdpContent=2


    For testing conducted for SLI 670, the resulting system consumption for SLI is 433W of which 293W are attributed to the gpu cards.
    http://www.guru3d.com/article/geforce-gtx-670-2-and-3way-sli-review/4


    If you use this psu calculator considering your components, the result is 564W (overclocked processor & used 680x2 to simulate gpu OC:
    http://extreme.outervision.com/PSUEngine


    All points out to 750W being more than enough.
  4. 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
  5. Best answer selected by dakotaritz.
  6. No problem.Your welcome.
Ask a new question

Read More

Power Supplies Components