Lenovo ThinkSystem SR650 Maintenance Manual page 72

Server model: twenty 2.5-inch SAS/SATA drives, four 2.5-inch NVMe drives, the rear hot-swap drive
assembly, four 8i RAID adapters
Note: The cable routing illustration is based on the scenario that the rear hot-swap drive assembly is
installed. Depending on the model, the rear hot-swap drive assembly and the 8i RAID adapter on PCIe slot 6
might not be available on your server.
Figure 45. Cable routing for server models with twenty 2.5-inch SAS/SATA drives, four 2.5-inch NVMe drives, the rear
hot-swap drive assembly, and four 8i RAID adapters
Cable
1
Power cable for front backplane 1
2
SAS signal cable for front
backplane 1
3
NVMe signal cable for front
backplane 1
4
SAS signal cable for front
backplane 2
5
Power cable for front backplane 2
6
Power cable for front backplane 3
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ThinkSystem SR650 Maintenance Manual
From
Power connector on front backplane
1
SAS 0 and SAS 1 connectors on front
backplane 1
NVMe 0, NVMe 1, NVMe 2, and
NVMe 3 connectors on front
backplane 1
SAS 0 and SAS 1 connectors on front
backplane 2
Power connector on front backplane
2
Power connector on front backplane
3
To
Backplane power connector 1 on the
system board
C0 and C1 connectors on the 8i RAID
adapter installed on the RAID adapter
slot
NVMe 0–1 and NVMe 2–3 connectors
on the system board
C0 and C1 connectors on the 8i RAID
adapter installed on PCIe slot 4
Backplane power connector 2 on the
system board
Backplane power connector 3 on the
system board