Lenovo ThinkSystem SR550 Maintenance Manual page 43

Figure 19. 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
Note: *When Gen 4 HBA/RAID adapter is installed, ensure you use Gen 4 SAS signal cable (ThinkSystem
SR550/SR590/SR650 3.5" SAS/SATA 8-Bay X40 RAID Cable Kit).
From
SAS 0 and SAS 1 connectors on the
backplane
Power connector on the backplane
To
HBA/RAID adapter installed in PCIe
slot 1:
• Gen 3: C0C1
• Gen 4: C0
Backplane power connector 1 on the
system board
.
Chapter 2 Server components
35