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General Drive Speed Question

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dudeman007

Diamond Member
Well I was thinking about this last night and my question is, why is the speed of drives so limited? For cd-rw writers, right now the max is what... 52x for a cd-r and the read speed is 52x? And then for dvd readers the max is 16x? What determines the final speed? Can't technology compete with the speed of the drives? Just wonderin....
 
They are not directly comparable, they simply refer to how many times faster a drive reads than the baseline cd or dvd drive. A 1X cd drive reads data at 150k/sec, fast enough for an audio cd to be read, whereas a 1X DVD drive reads data at about 1350k/sec, fast enough for DVD video. The physical speed at which a disc spins is the technical limit to drive speed, 1X DVD's spin much faster than 1X CDs. Once a disc nears 10,000 rpm, there is a potential that it will physically shatter, meaning that no advancement in technologies will overcome the speed limit. So while a 16X DVD and a 52X CD drive might spin discs at a similar physical speed, the 16X DVD drive actually reads about 3 times as much data as the 52X cd drive.
 
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