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Apple Computing Products:
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Making a Good Thing Better
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<blockquote data-quote="mac57" data-source="post: 656204" data-attributes="member: 17052"><p>I looked up WD's latest, the Velociraptor. It's sustained transfer rate is 120 MB/s. That is faster than the Seagate I put in, but not by as large a margin as I expected.</p><p></p><p>Confessing my total ignorance of the performance benefits of RAID, if I could RAID two disks that had a sustained transfer speed of 100 MB/s, would I achieve an overall sustained transfer speed of 200 MB/s? If so, would a RAID'd Mac boot twice as fast as a non raided Mac? ...launch apps twice as fast?</p><p></p><p>Sorry for the stupid questions but I have always thought of RAID principally in terms of reliability, not performance. Thanks.</p></blockquote><p></p>
[QUOTE="mac57, post: 656204, member: 17052"] I looked up WD's latest, the Velociraptor. It's sustained transfer rate is 120 MB/s. That is faster than the Seagate I put in, but not by as large a margin as I expected. Confessing my total ignorance of the performance benefits of RAID, if I could RAID two disks that had a sustained transfer speed of 100 MB/s, would I achieve an overall sustained transfer speed of 200 MB/s? If so, would a RAID'd Mac boot twice as fast as a non raided Mac? ...launch apps twice as fast? Sorry for the stupid questions but I have always thought of RAID principally in terms of reliability, not performance. Thanks. [/QUOTE]
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