Server model: twenty 2.5-inch SAS/SATA drives, four 2.5-inch SAS/SATA/NVMe drives, one 24i RAID
adapter
Figure 51. Cable routing for server models with twenty 2.5-inch SAS/SATA drives, four 2.5-inch SAS/SATA/NVMe drives,
and one 24i RAID adapter
Cable
From To
1 Power cable for front backplane 1 Power connector on front backplane
1
Backplane power connector 1 on the
system board
2 SAS signal cable for front
backplane 1
SAS 0 and SAS 1 connectors on front
backplane 1
C0 and C1 connectors on the 24i
RAID adapter installed on riser 1
assembly
3 NVMe signal cable for front
backplane 1
NVMe 0, NVMe 1, NVMe 2, and
NVMe 3 connectors on front
backplane 1
NVMe 0–1 and NVMe 2–3 connectors
on the system board
4 Power cable for front backplane 2 Power connector on front backplane
2
Backplane power connector 2 on the
system board
5 SAS signal cable for front
backplane 2
SAS 0 and SAS 1 connectors on front
backplane 2
C2 and C3 connectors on the 24i
RAID adapter installed on riser 1
assembly
84 ThinkSystem SR650 Setup Guide