What is SAS?
Q: What is SAS?
A: SAS stands for Serial Attached SCSI, which is a technology designed to move data to and from computer storage devices such as hard drives and tape drives.
Q: What does SAS replace?
A: SAS replaces the parallel SCSI and is a point-to-point serial protocol.
Q: When did SCSI first appear?
A: SCSI first appeared in the mid 1980s in corporate data centers.
Q: What command set does SAS use?
A: SAS uses the standard SCSI command set.
Q: Is SAS faster than the final parallel SCSI implementation?
A: At present, SAS is slightly slower than the final parallel SCSI implementation, but it will double its present speed to 6 Gbit/s in 2009.
Q: Can SAS drives be connected to SATA backplanes?
A: No, SAS drives cannot be connected to SATA backplanes, but second generation SATA drives may be connected to SAS backplanes (controllers).
Q: Who develops and maintains the SAS protocol?
A: The SAS protocol is developed and maintained by the T10 technical committee of the International Committee for Information Technology Standards (INCITS) and promoted by the SCSI Trade Association (SCSITA).
