Refer to the following cable routing for different configurations:
• “Eight 2.5-inch SATA drives” on page 40
• “Eight 2.5-inch SAS/SATA drives and one 8i RAID adapter” on page 41
• “Eight 2.5-inch SATA drives and rear SAS/SATA drive assembly” on page 42
• “Eight 2.5-inch SAS/SATA drives, rear SAS/SATA drive assembly and two 8i RAID adapters” on page 43
• “Eight 2.5-inch SAS/SATA drives, rear SAS/SATA drive assembly and one 16i RAID adapter” on page 44
• “Eight 2.5-inch SATA drives and rear NVMe drive assembly” on page 45
• “Eight 2.5-inch SAS/SATA drives, rear NVMe drive assembly and one 8i RAID adapter” on page 46
For power cable connection, see “Power/Sideband cable routing” on page 28.
Eight 2.5-inch SATA drives
Note: When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA
drives are supported. No SAS drives are supported.
Figure 31. Cable routing for server model with eight 2.5-inch SATA drives
Cable
From To
1 SAS signal cable for front
backplane
SAS 0 and SAS 1 connectors on
the front backplane
PCIe connector 6 on the system board
40 ThinkSystem SR635 Maintenance Manual