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Revisiting the Low-Profile 8600GT Cooler Problem

Discussion in 'Nvidia' started by John McGaw, Feb 23, 2008.

  1. John McGaw

    John McGaw Guest

    I'm still trying to find a cooling solution for a low-profile Galaxy
    8600GT video card and seem to have run into a brick wall. Or at least
    run into a dearth of information. The existing heatsink is solid copper
    but seems to have far too few fins to do a good job. Add to that a fan
    which seems to be doing an imitation of a Hoover even while moving
    little air. Since this card is in a HTPC the situation is not good.

    The existing heatsink is all of 60mm (H) X 80mm (L) X 10mm (D) and the
    fan seems to be roughly 46mm in diameter. The hole pattern of the four
    heatsink mounting screws is just about 42.5mm square. Using this
    low-profile card there is really no chance of using a physically larger
    cooler unless I can go deeper than 10mm and sacrifice a slot and this
    wouldn't bother me at all. Problem is that I don't even know if this
    heatsink screw pattern matches any sort of standard. Does it seem
    familiar to anyone experienced in replacing VGA heat sinks?
    John McGaw, Feb 23, 2008
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  2. John McGaw

    Mr.E Solved! Guest

    You can glue nickels to the chip if you choose, it doesn't have to look
    pretty: the secret is mass and conduction, just find a heatsink that
    fits (covers as much of the chip but still sits flat on it), it should
    feel heavy in your hand, not light. Stick it on and be done with it.

    As long as the surfaces can conduct heat, problem solved. You don't
    actually need a fan on a 8600's heat sink.
    Mr.E Solved!, Feb 23, 2008
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