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Apple Computing Products:
macOS - Notebook Hardware
macbook pro touch up paint
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<blockquote data-quote="bobtomay" data-source="post: 1189823" data-attributes="member: 24160"><p>Along with the areal density of the platters in the drive. This has been one of the biggest driving forces in the increased speed of standard hard drives. </p><p></p><p>Not going to be specifically technical here, but if you have one platter that only holds 50 GB of data and another that holds 250GB of data - both rotating at the same speed, in theory, the 250GB platter would be able to access 5 times more data in the same period of time vs the 50GB platter.</p><p></p><p>This is the reason some of the larger capacity 5400 drives come close to keeping up with their smaller capacity 7200 rpm drives.</p></blockquote><p></p>
[QUOTE="bobtomay, post: 1189823, member: 24160"] Along with the areal density of the platters in the drive. This has been one of the biggest driving forces in the increased speed of standard hard drives. Not going to be specifically technical here, but if you have one platter that only holds 50 GB of data and another that holds 250GB of data - both rotating at the same speed, in theory, the 250GB platter would be able to access 5 times more data in the same period of time vs the 50GB platter. This is the reason some of the larger capacity 5400 drives come close to keeping up with their smaller capacity 7200 rpm drives. [/QUOTE]
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Apple Computing Products:
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