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Choosing a Hard Drive

by blackripleydog / October 16, 2007 11:52 PM PDT

I am doing photo work with Photoshop on my Dell GX400 system with 768 MB ram. I have a 120 GB primary drive and a 160 GB Ext HDD for archiving. The system is dual internal HDD capable and I want to add the 2nd drive. NewEgg lists two 250 GB Western Digital ATA 100 units each for $75. One is rated with a million hour MTBF for use in high demand applications and other appears to be more consumer oriented.
All things being equal, is there any reason I should not choose the higher rated unit. My system does not run 24/7.

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The question is... "Where's the backup?"
by R. Proffitt Forum moderator / October 17, 2007 12:45 AM PDT
In reply to: Choosing a Hard Drive

Even at million hour MTBF that only tells us that on average all the drives are dead at that million hours. It doesn't tell us when your drive will die (it only tells us exactly what I wrote in the first sentence.)

So the mantra is "backup, backup, backup..."

Repeat till you can't stand it.


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Choosing a Hard Drive
by blackripleydog / October 17, 2007 1:46 AM PDT

Thanks for the input on Backup.

My original question was meant to determine whether the HDD designed for rough service had an inherent advantage over the the consumer version for my application or was there some technical reason I should avoid it. They were both the same price, same capacity, same cache, and latency. Is background noise relevant at less than 1 sone ?

If there is no significant reason to choose the regular duty unit over the other, why build a seemingly less capable version in the first place if they share the same price point and specs ?

Thanks, Scott

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I'll write no.
by R. Proffitt Forum moderator / October 17, 2007 2:15 AM PDT
In reply to: Choosing a Hard Drive

While MTBF is nice to know it is no indication what will happen or when.

What does work is to get drives that are made in the near millions.


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