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How much power would this use?

Wondering about how much power this system would draw under load, as I'm considering swapping a graphics card and want to know if I can manage it. Build with new card:

AMD FX-6100 3.30 GHz 6 Core
16 GB (4x4GB) 1600 MHz GSkill Ripjaw RAM
Gigabyte GA-970A-D3 Motherboard
Asetek 510LC Liquid Cooling System
AMD HD7870 XFX 2GB VRAM GHz Edition

Just looking for a rough estimate to see what it would draw at peak loads, don't want to fry my whole system because of a lack of power
2 answers Last reply Best Answer
More about power
  1. Use one of the many online wattage calculators. One here: http://www.coolermaster.outervision.com/

    Search PC wattage calculators to find more if you don't like the coolermaster one.
  2. Best answer
    a quality 550W is enough for single gpu setup. You can push up to 650 if you want. 750 or higher is for two graphic cards - SLI or Crossfire depending on what gpu you are using.
    Good brands: Antec, Corsair(not VS,CS,CX series), Seasonic or XFX.
    If you on a budget the XFX 550 is a good choice:
    http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9
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