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SAS 6gb - High rpm/low cache vs low rpm/high cache

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April 24, 2013 10:33:30 PM

Alright, based on performance, what's better:

6gb SAS drive with 15,000 rpm and 16MB of cache

--------------or-------------

6gb SAS drive with 7,200 rpm and 64MB of cache

I'm betting each one has its pros and cons, but I don't know much about server hard drives.

Thanks in advance,

Jordan

Best solution

April 25, 2013 1:01:18 AM

the 15000rpm card will outperform the first card in all scenarios (all things being equal) apart from scattered but consistent small reads/writes.
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