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- In a way, capacity = speed
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Let's say the harddive makes one revolution.
In drive A, let's say it has a megabit in each track. When the platter rotates once, it reads a megabit, right?
Now, let's say drive B uses better technology and has two megabits per track. When it rotates once, it reads two megabits.
So, if they rotate at the same speed, drive B is reading twice as much data in a given period of time than drive A!
So it's really a combination of drive speed and data density that determines how many bits your harddrive can send to the computer in a given period of time.
But you are right, it will take a longer period of time to fill/drain a harddrive. Of course, this is usually done slowly anyways, unless the drive is being used for manipulation of large files such as video.
If you do something like manipulate video or other large files, then yeah, you're going to want RPMs as well as high densities. - Posted by: CobraA1 Posted on: 09/11/06 You are currently: a Guest | Members login | Terms of Use
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