Server model: eight 2.5-inch SAS/SATA drives, the rear hot-swap drive assembly, two 8i RAID 
adapters
Note: The cable routing illustration is based on the scenario that the rear hot-swap drive assembly is 
installed. Depending on the model, the rear hot-swap drive assembly and the 8i RAID adapter on PCIe slot 4 
might not be available on your server.
Figure 23. Cable routing for server models with eight 2.5-inch SAS/SATA drives, the rear hot-swap drive assembly, and 
two 8i RAID adapters
Cable
From To
1  Power cable for front backplane Power connector on front backplane Backplane power connector 1 on the 
system board
2  SAS signal cable for front 
backplane
SAS 0 and SAS 1 connectors on front 
backplane
C0 and C1 connectors on the 8i RAID 
adapter installed on the RAID adapter 
slot
3  SAS signal cable for the rear hot- 
swap drive assembly
Signal connector on the rear hot- 
swap drive assembly
C0 connector on the 8i RAID adapter 
installed on PCIe slot 4
34 ThinkSystem SR650 Maintenance Manual