CFF 16i RAID/HBA adapter + CFF expander
•  “Front backplanes: 24 x 2.5-inch SAS/SATA” on page 105
•  “Rear backplane: 4 x 2.5-inch SAS/SATA” on page 106
•  “Middle and rear backplanes: 8 x 2.5-inch SAS/SATA + 4 x 2.5-inch SAS/SATA” on page 107
•  “Middle and rear backplanes: 8 x 2.5-inch SAS/SATA + 8 x 2.5-inch SAS/SATA” on page 108
Front backplanes: 24 x 2.5-inch SAS/SATA
The following shows the cable connections for the 24 x 2.5-inch SAS/SATA configuration with one CFF 16i 
RAID/HBA adapter and one CFF expander.
From To
Backplane 1: SAS CFF expander: C0
Backplane 2: SAS CFF expander: C1
Backplane 3: SAS CFF expander: C2
CFF expander: RAID/HBA CFF 16i RAID/HBA adapter: C0, C1
CFF 16i RAID/HBA adapter: MB Onboard: PCIe 3
CFF 16i RAID/HBA adapter: PWR Onboard: RAID PWR
CFF expander: PWR Onboard: EXP PWR
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
Figure 49. Cable routing for the 24 x 2.5-inch SAS/SATA configuration with one CFF 16i RAID/HBA adapter and one CFF 
expander
Chapter 3. Internal cable routing 105