In a message dated 8/29/2002 1:02:21 AM Eastern Daylight Time,
[log in to unmask] writes:


>
> I'm trying to learn something about memory and also what memory to buy.I'm
> comparing type PC2100 to type PC2700. I have not seen any information on
> what the difference is between the two. However, there is a big price
> difference.
> I'm wondering if it is worthwhile buying the more expensive one. One reason
> being is that you don't know what the future will bring.
> Thank you in advance for any info and opinions.
> Very truly yours
> Jim   Markellos

Hi,
  The difference is the speed rating. DDR memory has the memory bus speed
multiplied by 16 (8 bits per byte, times 2 for the Double Data Rate
(DDR)...regular SDRAM just has the memory bus speed, i.e. PC100, or PC133).
PC2100 (divided by 16) runs at a maximum rated bus speed of 131.25 (133Mhz),
PC2700 is good for 168.75 (166Mhz).

HTH,
Peter Hogan
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