Lenovo ThinkSystem SR550 Maintenance Manual page 54

Figure 26. Cable routing for server models with sixteen 2.5-inch hot-swap drives and 16i adapter
Cable
SAS signal cable*
1
SAS signal cable*
2
Power cable
3
Power cable
4
Note: *When Gen 4 HBA/RAID adapter is installed, ensure you use Gen 4 SAS signal cable (ThinkSystem
SR550/SR590/SR650 2.5" SAS/SATA/AnyBay 8-Bay X40 RAID Cable Kit).
ThinkSystem SR550 Maintenance Manual
46
From
SAS 0 and SAS 1 connectors on the
backplane 1
SAS 0 and SAS 1 connectors on the
backplane 2
Power connector 1 on the backplane
Power connector 2 on the backplane
To
HBA/RAID adapter installed in PCIe
slot 4:
• Gen 3: C0C1
• Gen 4: C0
HBA/RAID adapter installed in PCIe
slot 4:
• Gen 3: C2C3
• Gen 4: C1
Backplane 1 power connector on the
system board
Backplane 2 power connector on the
system board