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Hard-drive caches
Æthelred
Registered User regular
Registered User regular
So I'm still choosing a computer. 
Can anyone educate me on HDD speeds please? I basically have a choice between 2x 250GB, or a single 500GB which has a 16MB buffer, instead of 8MB. Is that buffer a significant difference in fetching files quickly? ie, a $40 one.. Thanks!
edit: both SATA
Can anyone educate me on HDD speeds please? I basically have a choice between 2x 250GB, or a single 500GB which has a 16MB buffer, instead of 8MB. Is that buffer a significant difference in fetching files quickly? ie, a $40 one.. Thanks!edit: both SATA
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I can tell you that 2 250GB drives in a Hardware RAID 0 array would have slightly better performance than a single 500GB, but the difference would probably be negligable.
Data wise single driver vs RAID0 your risk is about the same. A catastrophic drive failure of one drive results in complete data loss, though I guess running two seperate drives you double your chances that one of them will fail...
Somebody in statistics pls correct my retarded math.
There are 250GB drives with a 16MB cache though, in fact newegg has such a drive from WD at $60 ATM.
edit: there is a large difference between 2MB and 8MB cache though
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