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RAM and Power Supply Support Support forum for memory and power supplies; Kingston, Corsair, PNY

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Old 09-11-2008, 03:00 AM   #1 (permalink)
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Join Date: Apr 2006
Location: Liverpool, England
Posts: 1,140
OS: Win XP Pro SP2

My System

DDR2 RAM speeds?

Hi,

It used to be the case the maximum RAM speed one could expect without using a splitter or overclocking was always double the FSB (m/board) hence the term double data rate (at least with intel setups). How come speeds can get up so high now - Is the full capability even used? My soon to be new processor has a FSB of 1333MHz - that would be a maximum of 667MHz RAM speed, i.e. PC2 5400, but all new systems I've been looking at have RAM of PC6400 (800MHz) and upwards. .

What's going on?

Phil
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