Lenovo ThinkSystem SR550 Setup Manual page 36

Figure 17. Cable routing for server models with eight 3.5-inch hot-swap drives and serial port module
Cable
SAS signal cable
1
Power cable
2
ThinkSystem SR550 Setup Guide
32
From
SAS 0 and SAS 1 connectors on the
backplane
Power connector on the backplane
To
C0 and C1 connectors on the RAID
adapter installed in PCIe slot 1
Backplane power connector 1 on the
system board