Which psu?

im going to buy gtx 460. which power supply should i use for it. and for sli? if im crossfiring hd5770 which psu should i use?
16 answers Last reply
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  1. Basically a good quality 500-550w unit can run any single graphcs card on the market while 650-950w can be required for Sli/Crossfire. Both the GTX460 and HD5770 are lower power cards. I would go with 500-550w for one and 650-750 for Sli/Crossfire. This gives you plenty of headroom for overclocking.

    Stick with Corsair, Seasonic, PC Power and Cooling, Enermax ,Antec or XFX for the best stability and quality.
  2. what would the cost of 700w PSU?
  3. Where can you buy from? What country / website?
  4. anort3 said:
    Where can you buy from? What country / website?

    I'll buy from a retail shop. Im in India.
    Check out in tigerdirect.com I don't know if it can ship internationally to India
  5. No they do not ship internationally I do not think. Stick with the brands I listed in the earlier post. I have no idea what the price will be but those are internationally known brands and top quality.
  6. anort3 said:
    I have no idea what the price will be but those are internationally known brands and top quality.

    The price here is just a couple of dollars less than tiger direct.
  7. Quote:
    Stick with Corsair, Seasonic, PC Power and Cooling, Enermax ,Antec or XFX for the best stability and quality.


    Just find the cheapest, best deal you can find on of these brands.
  8. Better idea: tell us what brands and models that are available locally and we can try to pick the best one.
  9. As i said before on another link.
    Antec Earthwatts 500w or Corsair vx550W
    http://galaxy.pk/powersupply.htm
  10. davcon said:
    As i said before on another link.
    Antec Earthwatts 500w or Corsair vx550W
    http://galaxy.pk/powersupply.htm

    The EA500 ( if the sites specs are correct, 12V/17a = Seasonic ) is about 45% less the the EA500D Green :o nice deal

    Oh, and it's enough power for either of the OP's graphics scenarios.
    The 12V/17a [ if the specs are correct ] is actually dual rails with no OCP aka single rail, with 34 amps of output.
    Even if the specs aren't correct and it's the first Delta model ( 12V/22a ) at around half the price of the Green model it's still a great deal, there's only a $2 difference at Newegg ( including shipping )
  11. which psu for these specs?
    Msi r5770 hawk 1gb gpu in crossfirex
    msi 790gx mobo
    2x2gb ddr3 ram 1600mhz
    amd phenom ii x4 955 be @ 3.06 (going to overclock)
    dvd drive
    seagate. barracuda 1tb 7200rpm
  12. mercuryman24 said:
    which psu for these specs?
    Msi r5770 hawk 1gb gpu in crossfirex
    msi 790gx mobo
    2x2gb ddr3 ram 1600mhz
    amd phenom ii x4 955 be @ 3.06 (going to overclock)
    dvd drive
    seagate. barracuda 1tb 7200rpm



    Read my first post.
  13. anort3 said:
    Read my first post.

    so the motherboard, processor, HDD, disc drive, ram dont matter?
  14. Not really. The graphics cards draws the most power and is generally what decides what power supply you need. The motherboard, processor ect. are included in the 550-650 watts or so you would need for that listed system.

    Just stick with the brands I listed for top quality and stability. You do not want to buy a nice new system and put a "cheap" power supply in it.

    If you can find it I would look for a Corsair 650TX. It will give you plenty of overclocking headroom and run 2 x 5770s just fine.
  15. Is that 650tx enough to power:

    MOBO: p67
    CPU: I5 2500K
    SSD: 128gb
    2, 1.5TB raid 1
    2x4 gb Gskill Ripjaw 1600
    1 DVD RW
    1 Blue ray


    and: 1 XFX HD-685X-ZDFC Radeon HD 6850. I only have one now, but want to know if the 650tx is enough for 2 6850s

    Thanks
  16. Yes it is enough.
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