AnyBay backplane + 8-bay backplane 
Two processors installed
Two options are available for this combination:
Attention: When installing a AnyBay backplane and a 8-bay backplane, always install the AnyBay backplane 
to drive bay 0-7, and the 8-bay backplane to drive bay 8-15. 
1.  With SATA/SAS RAID adapter (16i) 
Figure 33. Cable routing, AnyBay backplane + 8-bay backplane
Table 27.  Cables and adapters for routing
1  PCIe switch card 4  SATA/SAS signal cables (720 mm)
2  SATA/SAS RAID adapter (16i) 5  SATA/SAS signal cables (900 mm)
3  NVMe signal cables for PCIe switch card
40 ThinkSystem SR860 Setup Guide