1  SAS 1 connector
2  Power connector
1  SAS 0 connector
7mm drives 
This section provides cable routing information for the 7mm drives.
Note: The following uses the 7mm drives installed on riser 2 as an example for illustration. The cable routing 
for 7mm drives installed on riser 1 is similar.
Power cable routing
Figure 247. Power cable routing
From To
1  Power connector on the 7mm backplane 7mm power connector on the system board assembly
Signal cable routing
The 7mm drive backplane supports SATA, NVMe, or RAID cable connection.
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ThinkSystem SR650 V3 User Guide