What Wattage do I Need

I am trying to find out what wattage power supply is the the minimum I need for my computer.

My Specs:

CPU: AMD FX-8 3.6 (not overclock but would like to)
GPU: 2 Radeon HD 6950 2GB CrossFired
Motherboard: Gigabyte GA-990XA-UD3
RAM: 4 x 4GB
Storage: 1 SSD OCZ 120GB and 1 Hitachi 7200 3TB
4 answers Last reply
More about what wattage need
  1. Absolute minimum would be around 650-700W, but I'd go with 750W, if you want to OC.

    Something like this: PC Power and Cooling Silencer Mk II 750W High Performance 80PLUS Silver SLI CrossFire ready Power Supply $99.99 ($79.99 after MIR)
  2. to back up what DJDeCiBeL stated, 650-700w since you won't even break 500w in a stress test (gaming would be a little less)

  3. you can find many easy to use power supply calculators online , like this one http://extreme.outervision.com/psucalculatorlite.jsp

    did a quick calculaion for you it says you need 560w but just to be sure i would add another 200w to that.
  4. Yeah, 750W will run any two card combination out there if you want to be safe.
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