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Thread: 3x4890 psu rec?

  1. #1
    Xtreme Enthusiast
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    3x4890 psu rec?

    What power would i need to power 3 4890's
    Would probably do some overclocking

    Not sure if im going AMD or Intel yet...

    And for hardrives, just 2. 1 hd, 1 ssd.

    1 optical.

    up to 8 fans possibly in a torture rack.

  2. #2
    Engineering The Xtreme
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    amd use an HX 850 - intel go with an enermax rev85+ 950/1050

  3. #3
    Xtreme Enthusiast
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    Dual PSUs

    A Corsair HX1000 and a 750TX for me with 3 HD4890s and an i7 920 at 217x21.

  4. #4
    Xtreme Enthusiast
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    Im not going dual, too much money.

  5. #5
    Live Long And Overclock
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    850HX just to be safe.

    Perkam

  6. #6
    Xtreme Member
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    i have the corsair 850hx plenty of power to go......lol.......

  7. #7
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    My Killawatt display peaked at 1025 watts with 3 HD4890s runing at 1000/1200 and a i7 920 OCd to 218x21 in my R2E during Vantage and 3DMark06.

  8. #8
    PI in the face
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    OP1000-e for me, also the HEC cougar 1k worked well too.
    Quote Originally Posted by L0ud View Post
    So many opinions and so few screenshots

  9. #9
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    850 might be cutting it close depending on your config, it may be working it near 100% capacity. If i7 with a few hardrives, pumps and what not I'd look at a 950-1000 watt. Enermax Rev85 1050, Corsair 1000, or so on....

    Otherwise an 850-950 would be good, Corsair 850, Enermax Rev85 950

  10. #10
    Xtreme Member
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    Quote Originally Posted by Kensek View Post
    My Killawatt display peaked at 1025 watts with 3 HD4890s runing at 1000/1200 and a i7 920 OCd to 218x21 in my R2E during Vantage and 3DMark06.
    That is still ~800watts real load of the psu considering their efficiencies, although the killowatt is not always reliable way to measure.

  11. #11
    Xtreme Member
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    BFG, Corsair, Enermax, PC P&C 1000W+

    You only want to load to 60% norm.
    Power Supply Guide for Today's & Tomorrow's Computers

    Always Build with the Best!
    Dave .

  12. #12

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