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Thread: Max volts for a w/c 5970?

  1. #1
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    Max volts for a w/c 5970?

    I have a saphire 5970 w/c in trifire with an asus 5870 which is also water cooled. The room the pc is in is pretty cold so temps never go above 40c.
    I would like to reach 1000 / 1200 on the 5970 without bricking it, so far I've reached 970 / 1150 @ 1.225v and I'm a little worried about increasing the voltage further. What's the max before immenent death of the card?
    AMD Phenom II 1090T,
    4gb mushkin ridgebacks pc1600ddr3, 65gb Patriot ssd, saphire 5970 asus 5870 trifire, 1600W psu. windows 7 professional 64 bit, phase cooling

  2. #2
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    my 3 5870's have been running at 1.35V for over a year now, they have seen much higher than that for benching, 1.5+ and they have been benched a lot. lol but 1.3V-1.35V on water, 24/7, would be safe in my eyes.
    Email/web browsing PC
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    (3) ATI 5870's@ 1062Mhz
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  3. #3
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    Quote Originally Posted by closeracing View Post
    I have a saphire 5970 w/c in trifire with an asus 5870 which is also water cooled. The room the pc is in is pretty cold so temps never go above 40c.
    I would like to reach 1000 / 1200 on the 5970 without bricking it, so far I've reached 970 / 1150 @ 1.225v and I'm a little worried about increasing the voltage further. What's the max before immenent death of the card?
    I've been at 1.3 for the last year with my 5970's.. no issues.
    i7 975 EE @4.27GHZ / 2 x HD5970 @980MHZ/1300MHZ
    eVGA X58 Classified 3 x SLI / 6GB Kingston DDR3 2000MHZ RAM
    1500 Watt Silverstone Strider PS / 8X Bluray/DVD Burner
    2 x 160GB Intel X25-M Gen2 SSDs / 2TB WD HD
    Windows 7 64bit

    Water Cooling - 1 Loop:
    Swiftech Apogee XT / Koolance Mosfet+VReg / 2 x EK Nickel-Acetal 5970 in series
    2 x Black Ice GTX360 / 1 x Black Ice GTX480 Radiators
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  4. #4
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    Quote Originally Posted by ml2517 View Post
    I've been at 1.3 for the last year with my 5970's.. no issues.
    Well then I'm going to go past the 1.25 mark and see how it goes. I'm trying to break 35000 in vantage and I think I've pushed the 5870 as hard as I want to @ 1100/1300 1.25v. I'm pretty close my high score in vantage is over 34500 so I think I can squeeze that much more out of it.
    AMD Phenom II 1090T,
    4gb mushkin ridgebacks pc1600ddr3, 65gb Patriot ssd, saphire 5970 asus 5870 trifire, 1600W psu. windows 7 professional 64 bit, phase cooling

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