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DDR (double data rate) SDRAM memory technology is a revolutionary new technology that has evolved from the highly successful SDRAM which will provide a new generation of high performance from your PC. DDR memory effectively allows twice as much data to run between the processor and the memory. This means faster graphics, more intensely played games, and computing that brings the Internet rapidly to life. With DDR you can really get things done faster
512Mb is ideal for when you have many applications open, heavy CAD work, web developement, multi-media presentations, home office applications and gaming.
Useful Information
DDR stands for Double Data Rate and it is simply achieved by transmitting data on both sides of the tact signal (a square wave were the data is triggered at the leading and trailing edges of the wave - see below). In this way, 133Mhz SDRAM chip can become a 266Mhz DDR chip
so . .
PC 2100 / DDR 266 = 133Mhz / 266mhz = Bandwidth of 2.128Gb/sec
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