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My stock system is a Dell Optiplex 760. Its got a core2 duo 8400 3.0 ghz. I have to do a lot of image processing which reads and writes 20-30 gb files to my hard drives. I requested two 300gb 10k western digital velociraptors. However my IT people have stated:

"The system can only handle a max 150GB on each drive at the speed he is requesting."

Does this make any sense? Under what circumstances could this be true?

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budget, maybe? doesn't strike me as a real excuse. –  quack quixote Jan 30 '10 at 0:51
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up vote 6 down vote accepted

I think the reason IT said that is because the spec sheet for the OptiPlex 760 [pdf] listed the largest 10K drive at 160GB. I suspect it is because that was the largest 10K drive at available at the time.

I don't know of any reason they/you couldn't put in larger aftermarket drive.

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I think this is the answer. I was just checking to make sure I wasn't missing something. The computers paid for with grant money anyway. I just want to be as efficient as possible when running $21K software for weeks on end. –  kpierce8 Jan 30 '10 at 3:12
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oy... if that's really the answer i think kpierce8 needs new IT guys... –  quack quixote Jan 30 '10 at 9:04
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The speed of hard drive isn't related to it's capacity in any way. Maybe they are just too expensive?

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Actually there is a link, are areal density goes up, or the number of read/write heads increases, the aggregate bits/sec data rate under the heads will increase leading to faster performance. –  Richard Jan 30 '10 at 10:11
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Even IF the onboard controller doesn't allow for 10k drives > 160 GB (which i doubt), that could be remedied with a modern addon PCI SATA II controller.

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i know there's a controller-size-capability boundary somewhere around there but i think it's more like 128GB (or 137GB or something else well under 160...). but you're right, it's unlikely. –  quack quixote Jan 30 '10 at 9:03
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