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SAS Hard Drives: 15,000 vs. 10,000 RPM

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Access Time

It's obvious that a single hard drive offers shorter access times than a RAID array. Whether you use a RAID 0 or a RAID 5 doesn't make much of a difference. Overall, the access times at 10,000 RPM were in between 8.1 and 8.5 ms, while the 15,000 RPM arrays delivered 5.9 to 6.3 ms.

Interface Throughput

Read Transfer Rates

Write Transfer Rates

1 Comment Comment from the forums
  • DeanRS
    The Raid 0 benchmarks include Raid 5 File server that is also shown again in the Raid 5 Benchmarks section. Raid 5 shows webserver data and Raid 0 does not. I think that the Raid 0 webserver data is not shown as Raid 5 fileserver data is in its place.
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