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Serial Attached SCSI (SAS) Protocol

D A T A    T R A N S I T    S E R I A L    A T T A C H E D    S C S I    P R O D U C T S

  Bus Doctor Serial Attached SCSI (SAS) protocol analyzer bus pod  

  Packet Maker traffic generator for Serial Attached SCSI (SAS)  


Serial Attached SCSI (SAS) is an evolutionary replacement for the Parallel SCSI physical storage interface. Serial Attached SCSI offers much faster communication and easier configuration at about the same price as its parallel predecessor. In addition, Serial Attached SCSI provides device compatibility to Serial ATA and uses similar cabling.

The major advantages to Serial Attached SCSI (SAS) are:

Scalability: Serial Attached SCSI (SAS) is a point-to-point connection and allows multiple ports to be aggregated into a single controller, either built onto the mother board or as an add-on. Its technology is built upon the robust and tested parallel SCSI communication technology.

Price: It is anticipated that Serial Attached SCSI (SAS) costs will not exceed parallel SCSI costs.

Cabling: Serial Attached SCSI (SAS) uses Serial ATA (SATA) cables which are a thin point-to-point connection allowing easy cable routing within a computer system, without the need for daisy-chaining.

Performance: The first implementation of Serial Attached SCSI provides 1.5 Gb/sec (150MB/sec) of performance for each drive within an array.


To learn more about Serial Attached SCSI, visit the following websites:

  www.scsita.org

  www.serialattachedSCSI.com

  www.T10.org

 










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