DDR Synchronous Dynamic Random Access Memory

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Is DDR SDRAM an improvement over SDRAM?

DDR Synchronous Dynamic Random Access Memory

DDR SDRAM provides double the speed of SDRAM. When it was first introduced, it was used with speeds of 200 MHz and above. However, DDR-2 is now used more often in new computers than DDR RAM. This is due to the fact that DDR-2 can be used with higher CPU clock speeds providing a transfer of one gigabyte per second.



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