Lenovo ThinkSystem SR645 Maintenance Manual page 88

Front: one 4 x 3.5-inch AnyBay backplane
Rear: one 2 x 2.5-inch NVMe backplane
Con-
Front BP
fig.
NVMe 0–1
NVMe 2–3
5
SAS
NVMe 0–1
NVMe 2–3
6
SAS
The following illustration shows the cable routing for the configuration 6, the routing for configuration 5 is
similar. Connections between connectors:
Note: For models that support Gen 3 and Gen4 adapters at the same slot, the illustration shows only the
cable routing information for Gen 4 adapters, the routing and connector information is similar for Gen 3
adapters.
Figure 25. Cable routing for configuration 6
ThinkSystem SR645 Maintenance Manual
78
Rear BP
NVMe 0, NVMe 1
NVMe 0, NVMe 1
↔ ↔ ↔
, ,
1 1 2 2 3
System board
PCIe 3
PCIe 7
PCIe 2
PCIe 6
PCIe 3
PCIe 7
Gen 4: C 0
Gen 3: C 0, C 1
PCIe 6
↔
, ...
3 n n
Storage controller
SFF 8i RAID/HBA