SCSI vs SAS vs SATA

Los Angeles1
Los Angeles1 used Ask the Experts™
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What are the differences between the following.  Which of these are more or less expensive.  Which are used in non-entry level shops

SCSI

SAS

SATA
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Top Expert 2012
Commented:
SAS = Serial Attached SCSI - this replaced the old parallel type SCSI drives, just its serial bus now, these are the more expensive and faster

SATA - these are the ones used in entry level shops as they are cheaper, also used in pc's/laptops etc

This explains everything about all 3

http://en.wikipedia.org/wiki/Serial_attached_SCSI

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