9800 gtx& psu
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Thread: 9800 gtx& psu

  1. March 10th, 2010, 06:53 PM #1
    rbc1100
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    9800 gtx& psu

    I have two bfg 9800gtx cards, the recommened power supply is 475 watts per card to run them ?My psu is a 750 watt Corsair, will that be enough psu or do i need to be looking at something bigger. thanks
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  2. March 10th, 2010, 08:19 PM #2
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    Calculator/link,
    Cheers.
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  3. March 10th, 2010, 09:38 PM #3
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    crunchie
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    Each card will draw 265 watts at full load. Depends what else is in your system.
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  4. March 10th, 2010, 11:30 PM #4
    Train
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    9800 GTX SLI - 228W

    9800 GTX -108W

    Those are the figures I found.
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  6. March 11th, 2010, 12:20 AM #5
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    crunchie
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    Got my info from http://www.tomshardware.com/reviews/...w,1800-12.html
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  7. March 11th, 2010, 01:40 AM #6
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    The figures posted at tom's hardware:

    ... which means that the consumption of the entire configuration is measured)...
    Cheers.
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  8. March 11th, 2010, 03:05 AM #7
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    crunchie
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    Yep. I did a whoopsie . Found another article that is saying 140w at full load. http://en.wikipedia.org/wiki/GeForce_9_Series They are slightly down on the 8800's they replaced.
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  9. March 11th, 2010, 10:46 AM #8
    Train
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    750 minus 280 [2 X 9800gtx cards] should do the trick nicely.
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  11. March 11th, 2010, 11:19 AM #9
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    In any event it won't do any harm to try it and see. If the PC reboots at random intervals then that's a classic sign of the PSU not being powerful enough.
    Nick.
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  12. March 11th, 2010, 04:13 PM #10
    rbc1100
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    Thanks folks, I got the cards out of the box last night to have a look at them. They are so big that my tv tuner card might have to go. I have a Asus mainboard M3N72-D, Hauppauge tv tuner card, X-fi titanium sound card, amd 9950 black addition X4 cpu, 4 gigs corsair dominator memory (1066) Thermaltake tower, 2xWD raptors, my gfx cards right now are 2 8600gt oc 512 in sli mode. the system runs sweet but i bought these cards for a good price thinking it would be a nice addition before installing Windows 7. I am running Vista Ultimate 32 bit. Want to go to 7 64 bit. I also bought more memory ( 4gigs of corsair dominator same as whats in there) for the Win 7 experience. I need a bigger main board or one that it is layed out so the gfx cards dont interfere with the pci slots. upgrade is on hold till I figure this out. Thanks for all the replies
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  13. March 11th, 2010, 05:49 PM #11
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    Yeah, they never really thought it through when it comes to double slot cards in SLI and the board layouts did they? I suppose if it comes to it, you can replace the tuner card with a USB tuner instead though.
    Nick.
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