Figure 481. Cable routing to one 16i RAID/HBA adapter
From To
1  Backplane 1: SAS 0, SAS 1
1  16i adapter 
•  Gen 4: C0
•  Gen 3: C0C1
2  Backplane 1: SAS 2
2  16i adapter 
•  Gen 4: C1
•  Gen 3: C2
Front + rear backplanes: 12 x 3.5" SAS/SATA + 4 x 2.5"/2 x 3.5"/4 x 3.5" SAS/SATA/4 x 
2.5" AnyBay
This topic provides cable routing information for the server model with one 12 x 3.5-inch SAS/SATA front 
backplane and one 2 x 3.5-inch/4 x 3.5-inch/4 x 2.5-inch SAS/SATA or 4 x 2.5-inch AnyBay rear backplane.
Depending on the rear backplane you use, refer to the specific configuration for cable routing information. 
• 
“12 x 3.5" SAS/SATA + 2 x 3.5"/4 x 3.5" SAS/SATA” on page 442
•  “12 x 3.5" SAS/SATA + 4 x 2.5" SAS/SATA” on page 445
•  “12 x 3.5" SAS/SATA + 4 x 2.5" AnyBay” on page 446
12 x 3.5" SAS/SATA + 2 x 3.5"/4 x 3.5" SAS/SATA
This topic provides cable routing information for the server model with one 12 x 3.5-inch SAS/SATA front 
backplane and one 2 x 3.5-inch/4 x 3.5-inch SAS/SATA rear backplane.
442
ThinkSystem SR665 V3 User Guide