Lenovo ThinkSystem SR650 Series Setup Manual page 76

Server models with twenty 2.5-inch drives
Use this section to understand the cable routing for server models with twenty 2.5-inch drives.
Server model: twenty 2.5-inch NVMe drives, two NVMe 810-4P switch adapters, three NVMe 1610-4P
switch adapters
Figure 43. Cable routing for server models with twenty 2.5-inch NVMe drives, two NVMe 810-4P switch adapters, and
three NVMe 1610-4P switch adapters
Cable
1
Power cable for front backplane 1
2
NVMe signal cable for front
backplane 1
3
NVMe signal cable for front
backplane 1
4
Power cable for front backplane 2
5
NVMe signal cable for front
backplane 2
6
NVMe signal cable for front
backplane 2
72
ThinkSystem SR650 Setup Guide
From
Power connector on front backplane
1
NVMe 0 and NVMe 1 connectors on
front backplane 1
NVMe 2 and NVMe 3 connectors on
front backplane 1
Power connector on front backplane
2
NVMe 0 and NVMe 1 connectors on
front backplane 2
NVMe 2 connector on front
backplane 2
To
Backplane power connector 1 on the
system board
NVMe 2–3 and NVMe 0–1 connectors
on the system board
C0, C1, C2, and C3 connectors on
the NVMe 1610-4P switch adapter
installed in PCIe slot 6
Backplane power connector 2 on the
system board
C0, C1, C2, and C3 connectors on
the NVMe 1610-4P switch adapter
installed in PCIe slot 5
C0 and C1 connectors on the NVMe
810-4P switch adapter installed in
PCIe slot 4