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How big??

Hello Toms gurus I need some help I currently have a Corsair 650hx planning to add another 5870 in 6 months time how big of a psu will need for it??

System
AMD 1055t x6 oc'ed to 3.5
Asus m4a89gtd
Corsair H50
Cm scout sniper
64gb SSd (os)
750gb data drive 7200rpm
3x 200mm fans
2x 120mm fans
1x 140mm fan
Optical drive
Card reader

Thanks for input
9 answers Last reply Best Answer
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  1. Hello
    A Corsair HX650 should handle 2 5870s fine,no need to change it
    http://www.tomshardware.com/forum/269886-28-corsair-650hx-5870s
  2. Nice!! I'm glad I used the suggestions of everyone here Love it!!
  3. Best answer
    Here are the official power requirements for the new ATI Radeon HD 5850 and HD 5870 video cards.


    ATI Radeon™ HD5850 System Requirements:

    PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard

    500 Watt or greater power supply with two 75 watt, 6-pin, PCI Express® power connectors.

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


    ATI Radeon™ HD5870 System Requirements:

    PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.

    500 Watt or greater power supply with two, 75 watt, 6-pin, PCI Express® power connectors.

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

    The power supply recommendations are for an entire pc system.
  4. Now why didn't think about that!! Thanks
  5. Make sure you dont get a no name brand PSU for a higher end system like that. I would say 650w minimum, despite what is reccommended as minimum by AMD.
  6. A Corsair 650HX is a much better than average PSU. You be fine.
  7. Corsair and Seasonic are two brands that have a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Some of the newer models come with a 7 year warranty. Lately we've been seeing a few other brands offering some high quality units.
  8. Best answer selected by miwanuma.
  9. Again thanks to Toms gurus they helped me pick something good!!
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