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337 posts

Ultimate Geek
+1 received by user: 1

Topic # 12548 23-Mar-2007 10:40
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Is there such a thing as PC2700 DDR400 RAM? I thought PC2700 was only DDR333...

I apologise if I am clogging up the forum with my (probably) inane questions - I just need to make sure before spending my hard earned dosh!!

Your mother was a hamster and your father smelled of elderberries

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679 posts

Ultimate Geek
+1 received by user: 105


  Reply # 64839 23-Mar-2007 13:56
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Basically, PC2700=DDR333 and PC3200=DDR400, the DDR rating I think refers to the speed in Mhz and the PC rating reflects the bandwidth this provides, eg 333x8=2664 bits/sec (round up to 2700), 400x8=3200 bits/sec. If your module is capable of running at DDR-400 then it stands to reason that it will be capable of running at lower timings. Generally it's only when you try to exceed the limits through overclocking that you run into trouble. So if a DDR-400 stick lists PC2100/PC2700/PC3200 as its capabilities then that is correct. If any of this isn't right then please jump in and correct me as I'm no big expert on this by any means... Try searching Wikipedia for some more answers.

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