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<blockquote data-quote="Steve B" data-source="post: 292369" data-attributes="member: 15754"><p>History - I work for one of the companies that make large scale enterprise arrays. We are talking over 1000 drives in a single array. Drives fail. Sometimes at the worst possible time. I have a Buffalo Terastation that is probably about 10 years old. I don't use it much anymore because I got a NetGear ReadyNAS NVX that has better features than the older TeraStation. I had a drive fail in my TeraStation within two years after I purchased it. Not all drives are created equal. If I had it to do again I would buy one of the empty enclosures and add four drives purchased separately so I knew exactly what I was getting. Some hard drive manufactures no longer use the MTBF (Mean Time Between Failures) as a measure of reliability. Seagate now uses AFR (Annualized Failure Rate). <a href="http://knowledge.seagate.com/articles/en_US/FAQ/174791en?language=en_US" target="_blank">Hard disk drive reliability and MTBF / AFR</a> The problem is that finding this type of information, as well as rotational speed, is difficult for many of the desktop class of drives. This information is usually readily available for Enterprise class drives.</p></blockquote><p></p>

[QUOTE="Steve B, post: 292369, member: 15754"] History - I work for one of the companies that make large scale enterprise arrays. We are talking over 1000 drives in a single array. Drives fail. Sometimes at the worst possible time. I have a Buffalo Terastation that is probably about 10 years old. I don't use it much anymore because I got a NetGear ReadyNAS NVX that has better features than the older TeraStation. I had a drive fail in my TeraStation within two years after I purchased it. Not all drives are created equal. If I had it to do again I would buy one of the empty enclosures and add four drives purchased separately so I knew exactly what I was getting. Some hard drive manufactures no longer use the MTBF (Mean Time Between Failures) as a measure of reliability. Seagate now uses AFR (Annualized Failure Rate). [url=http://knowledge.seagate.com/articles/en_US/FAQ/174791en?language=en_US]Hard disk drive reliability and MTBF / AFR[/url] The problem is that finding this type of information, as well as rotational speed, is difficult for many of the desktop class of drives. This information is usually readily available for Enterprise class drives. [/QUOTE]

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