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Serial Attached SCSI (SAS)

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Serial Attached SCSI (SAS)

Serial attached SCSI (SAS) is the next generation of SCSI interconnect where communication with the drives occurs in serial, not parallel, between the controller and attached drives. With serial operation, clock rates can be increased due to minimized cross-talk, which also enables greater distances to be achieved.

SAS disk drives and controllers are the result of 20 years of learning from traditional SCSI storage devices. SAS controllers allow drives to be attached in either RAID or JBOD configurations, just as traditional SCSI allowed. RAID configurations of SAS-capable disks can produce throughput ratings of up to 3 GB per second, aiding in affordable and optimal application access.

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