CFF 16i RAID/HBA adapter + 8i RAID adapter (Trimode)
The following shows the cable connections for the 8 x 2.5-inch SAS/SATA + 8 x 2.5-inch Anybay 
configuration with one CFF 16i RAID/HBA adapter and one Trimode 8i RAID adapter for U.3 drives.
From To
Backplane 1: SAS 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
Backplane 2: SAS Trimode 8i RAID adapter on PCIe slot 2: C0
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
Figure 95. Cable routing for the 8 x 2.5-inch SAS/SATA + 8 x 2.5-inch Anybay configuration with one CFF 16i RAID/HBA 
adapter and one Trimode 8i RAID adapter
8 x SAS/SATA and 16 x Anybay front drive bays
This section provides cable routing information for the server model with 8 x SAS/SATA and 16 x Anybay 
front drive bays.
•  “8i/16i RAID/HBA adapter + 8i RAID adapters (Trimode)” on page 141
•  “8i/16i RAID/HBA adapter + 16i RAID adapter (Trimode)” on page 142
140
ThinkSystem SR650 V2Maintenance Manual