Lenovo ThinkSystem SR630 V3 - Page 305

Figure 260. Cable routing for 10 front SAS/SATA drives bays with a 16i SFF RAID adapter (Gen 4)
Table 55. Mapping between one front AnyBay backplane and an SFF HBA/RAID adapter
Backplane From To
Front BP (SAS)
1 SAS 0, SAS 1 1 C0
2 SAS 2 2 C1
Chapter 6. Internal cable routing 295