PSU Watt

I currently have this PSU

Would 500w be enough to power my i7 build?

Intel Core i7-920
OCZ Gold 6GB DDR3 1600
XFX HD-577A-ZNFC Radeon HD 5770

Had this PSU for about a year now.
5 answers Last reply
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  1. Hi newcomer and welcome to the Tom's hardware forum.

    The link doesn't work for my. What brand is your PSU? What power does this have?
  2. Sorry, dont know why that link isnt working. I have a OCZ ModXStream Pro OCZ500MXSP.
  3. You should be fine.
    As long as your PSU is providing enough amp on the 12+v rail for your decent graphics card, you should be fine.

    Should you want to go SLI however - you will need a new psu.
  4. You have a 500W PSU, OCZ is a good brand. Your current PSU is enough to handle your rig, but maybe you will try to get a PSU with a better certificated. Something like

    If you want a PSU for X-Fire or SLI, you need a 650W PSU or better.
  5. You should be okay

    Here are the official ATI power supply requirements for the ATI Radeon HD 5770 and 5750 video cards:

    450 Watt or greater power supply with one 75 watt, 6-pin PCI Express® power connector recommended

    600 Watt or greater power supply with two 75 watt, 6-pin PCI Express® power connectors for ATI CrossFireX™ technology in dual mode

    The recommendations are for an entire pc system.
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