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SAS Interface
26 C141-C013
1.1.4 SAS devices
A SAS device contains one or more SAS ports, each containing one or more phys
(i.e., a SAS port may be a narrow port or a wide port).
Each single HDD unit is a separate SAS device. Usually, it is a single port or dual
port device, but does not use a wide port.
Figure 1.5 shows examples of SAS devices with different port and phy
configurations.
Figure 1.5 SAS devices