SAS is also superior to SATA and Near Line SAS in that it performs significantly better due to higher RPM speeds of 10k and 15k, compared with the other two’s use of only 7200 RPM. SAS also boasts an impressive average seek time of 3.5 milliseconds, compared with 9.5 milliseconds when it comes to SATA or Near Line SAS.
So what is Near Line SAS and are there any benefits to using this type of disk drive interface? NL-SAS is a newcomer to enterprise storage today, and is a fusion of SATA technology along with SAS interface. This results in an enterprise disk that uses SATA disk platters with SAS connectivity.
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