SAS is the next-generation interface standard for SCSI-based systems, It is designed to replace the SCSI parallel interface with much faster more flexible 3Gb/s Serial Interface while maintaining the robust nature of the SCSI Command Set, The flexibility of SAS facilitates many system-level configurations such as workstations blade servers external storage arrays SAS Expanders Host Bus Adapters (HBA s) and RAID controllers, SKU: CTG2864