VelociRaptor vs. RAID 0

Started Dec 8, 2010 | Discussions thread
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Crabby Guy
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VelociRaptor vs. RAID 0
Dec 8, 2010

My boot/OS/program partition is currently on the usual 7200 RPM ESATA drive. I would like to speed up my computer and I'm wondering if a 600GB VelociRaptor 10K RPM or two similar-sized 7200 RPM drives in a RAID 0 would be better. I would use the RAID circuitry on a year-old Gigabyte mobo. This drive(s) is backed up twice a week in any case. Considerations:

  • Boot time. Does the RAID take longer to spin up and install itself?

  • Read speed including time to bring up a program like LR 3 and PS CS5.

  • Write speed. (Not as important on this drive as most data go elsewhere in my PC.)

  • Cost (figure $250 for a 600GB 10K RPM VelociRaptor drive and half that for two identical 7200 RPM drives).

-Reliability. I am assuming that the reliability is roughly similar. Looking only at drive reliability, a RAID 0 will have half the reliablity of a single HDD of the same type. However, a 10K RPM drve likely has less reliability of a 7200 RPM drive. Or am I wrong?

  • Throughput. What actual benefit would this give me? I have photo data, scratch disk, and caches on other drives. I use a 2TB 5400 RPM HDD to backup to.

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Adrian

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