SAS is the next-generation interface standard for SCSI-based systems, designed to replace the SCSI parallel interface with much faster, more flexible, 3Gbps serial interface while maintaining the robust nature of the SCSI command set
Mini-SAS (CSE iSAS), is the newest generation of SAS cables
It uses smaller connectors with improved performance and is ready for 6Gbps
They are now used on many new controllers and backplanes being shipped today