Many people benefit from buying a Near Line SAS disk, as they have the option to use it as either SAS or as SATA; if you have both SAS and SATA, NL-SAS is somewhere in the middle of the two. Its reliability and performance, however, are the same as SATA, and not SAS.
In conclusion, it can be said that as Near Line SAS disk drive only has the reliability of SATA, SAS is a more reliable option when you consider both the BER and MTBR rates explained above.Near Line SAS, unfortunately, does not have all the same capabilities of an SAS disk.
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