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Dual Channel RAM on Server board

Discussion in 'Hardware' started by Parkman, Sep 4, 2008.

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  1. Parkman

    Parkman Thread Starter

    Nov 30, 2006
    say I have a server board with 8 slots for RAM. For fastest performance with 4G, I should use 4x 1G spread across 4 slots? Rather then 2 x 2G across 2 slots? Now, would the performance decrease if I went to 6G, since there is an uneven amount of channels in use? Would appreciate any insight and links regarding this. Thanks
  2. Gulo Luseus

    Gulo Luseus

    May 12, 2007
    I remeber this topic conimg up before, and I had a gave a fairly detailed reply. The long and short is that it wont make a lot of difference either way, the best thing to do is go with whichever is cheaper.
    For the tech bit, the 1 gig sticks have a slightly faster responce, but usibg 4 sticks instead of 2 means the overall bandwidth is effectively a bit less than that if you use 2 sticks. In real terms, these differences are about the same, but both extremely small, so it doesnt matter that much. For 6 gig, I would say 6 1 gig sticks, as you could keeo the pairings and not lose any timing cycles. If you can go to 8 gig, 4x 2 gig sticks would probably be slightly better, butagain, in real terms the differences are so small, it would take a pretty good man to see any :)
  3. leroys1000

    leroys1000 Banned

    Aug 15, 2007
    Dual channel runs chips in pairs and there should be designated
    slots for the chips.
    So one would go in slot A and one in B to enable dual channel.
    You shouldn't see much of a difference between 2x2GB over
    4X1 as long as they are installed properly.
    Running 3X2GB would disable dual channel but you need to consider that
    running dual channel only provides about 10% preformance boost.
    It is best to run identical memory boards in all slots for dual channel.

    Oops,posted same time.LOL
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