A SATA connector consists of a signal connector and a power connector. The SAS
connector adds a bridge (primary physical link) between the signal connector and the
power connector. This means SAS backplane connectors can accept either drive type, but
SATA backplane connectors can ONLY accept SATA drives.
connectors.
Intel® RAID Controller SRCSAS144E Hardware Guide
Physical Link
Power
SAS Primary
Physical Link
Power
SATA
Physical Link
Figure 3. SAS and SATA Plugs and SAS Backplane Connector
Serial Att ached SCSI
Recept acle Connector
Power
Serial A TA
SAS Secondary
Physical Link
Note: SA TA backplane connectors
will NOT accept SAS drives
Figure 3
shows these
SAS Backplane
SATA/SAS
Primary
Physical Link
10
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