Sas Devices; Figure 1.5 Sas Devices - Fujitsu MBA3073RC SERIES Technical Manual

SAS Interface

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.
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Figure 1.5 SAS devices

C141-C013