Server model: twenty 2.5-inch SAS/SATA drives, four 2.5-inch SAS/SATA/NVMe drives, one 8i RAID 
adapter, one 16i RAID adapter
Figure 50. Cable routing for server models with twenty 2.5-inch SAS/SATA drives, four 2.5-inch SAS/SATA/NVMe drives, 
one 8i RAID adapter, and one 16i RAID adapter
Cable
From To
1  Power cable for front backplane 1 Power connector on front backplane 
1
Backplane power connector 1 on the 
system board
2  SAS signal cable for front 
backplane 1
SAS 0 and SAS 1 connectors on front 
backplane 1
C0 and C1 connectors on the 16i 
RAID adapter installed on the RAID 
adapter slot
3  NVMe signal cable for front 
backplane 1
NVMe 0, NVMe 1, NVMe 2, and 
NVMe 3 connectors on front 
backplane 1
NVMe 0–1 and NVMe 2–3 connectors 
on the system board
4  SAS signal cable for front 
backplane 2
SAS 0 and SAS 1 connectors on front 
backplane 2
C0 and C1 connectors on the 16i 
RAID adapter installed in PCIe slot 4
5  Power cable for front backplane 2 Power connector on front backplane 
2
Backplane power connector 2 on the 
system board
6  Power cable for front backplane 3 Power connector on front backplane 
3
Backplane power connector 3 on the 
system board
7  SAS signal cable for front 
backplane 3
SAS 0 and SAS 1 connectors on front 
backplane 3
C2 and C3 connectors on the 16i 
RAID adapter installed in PCIe slot 4
Chapter 2. Server components 83