Onboard connectors + 8i RAID/HBA adapter + Retimer card
The following shows the cable connections for the front (8 x 2.5-inch AnyBay + 8 x 2.5-inch NVMe) 
configuration with one 8i RAID/HBA adapter and one retimer card.
To connect the processor interconnection cable when two processors are installed, see 
“Processor 
interconnection cable routing” on page 311
.
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
SAS/SATA cable routing
Figure 370. SAS/SATA cable routing to 8i adapter
From To
1  Backplane 1: SAS
1  8i adapter 
•  Gen 4: C0
•  Gen 3: C0C1
Chapter 6. Internal cable routing 361