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SAS Interface
22 C141-C013
1.1 Topologies in SAS Interface
As shown in Figure 1.1, SAS drives have two connection patterns: point-to-
point connection and expander connection.
Figure 1.1 SAS drive connection patterns
SAS supports the three protocols listed below. Among these protocols, SAS
drives support only SSP.
• Serial SCSI Protocol (SSP)
• Serial ATA Tunneled Protocol (STP)
• Serial Management Protocol (SMP)