Lenovo ThinkSystem SR665 V3 - Page 426

SAS/SATA cable routing
Figure 438. SAS/SATA cable routing to 32i adapter
From To
1 Backplane 1: SAS 1 32i adapter: C0
2 Backplane 2: SAS 2 32i adapter: C1
3 Backplane 3: SAS 3 32i adapter: C2
416 ThinkSystem SR665 V3 User Guide