The SAS disk drive is now considered the standard for enterprise storage. This is for several reasons, all relating to the advantages that this kind of disk drive brings to its users. Firstly, it is a very robust technology, with its ‘mean time between failure rate’ (MTBF) being 1.6 million hours, which translates into approximately 160 years’ of use.
This can be contrasted with SATA and NL-SAS, where the MTBF rate is around 1.2 million hours. Although this is also very impressive, SAS is still the clear winner when it comes to robustness of the interface for extended use.
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