BCLK is connected to QPI link speed and lowest divider is 36x, so if you use 220BCLK your QPI speed is 7920GT/s. Around there is the limit at the moment. We need lower dividers, cause QPI link is not limiting performance if it will stay around 6500-7500GT/s. QPI divider 28x or 32x would be cool.
If we would have divider 28x we could hit ~280BCLK. Of course there might be other limiting factors, but maybe X68/ P55 chipset will bring us more overclocking potential. X58 can't handle more QPI link speed at the moment.
I'm afraid that we will have to wait until 2009, when LGA 1160/1156 will be released. (Mainstream, Lynnfield etc.)
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Originally Posted by SF3D
BCLK is connected to QPI link speed and lowest divider is 36x, so if you use 220BCLK your QPI speed is 7920GT/s. Around there is the limit at the moment. We need lower dividers, cause QPI link is not limiting performance if it will stay around 6500-7500GT/s. QPI divider 28x or 32x would be cool.
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