Lenovo ThinkSystem SR645 V3 User Manual page 27

Refer to the following rear view for different server models:
• "Server model with three PCIe slots" on page 17
• "Server model with two PCIe slots" on page 17
Server model with three PCIe slots
The following illustration shows the rear view of server model with three PCIe slots. Depending on the model,
your server might look slightly different from the illustration below.
Figure 2. Rear view with 3 low profile PCIe adapters
Table 6. Components on the rear of the server
Callout
PCIe slot 1 on riser 1 assembly
1
PCIe slot 3 on riser 2 assembly
3
Power supply 1
5
USB 3.2 Gen 1 (5Gbps) connectors (3 DCIs)
7
XClarity Controller network connector
9
Note: For more information about each component, see
Server model with two PCIe slots
The following illustration shows the rear views of the server model with two PCIe slots. Depending on the
model, your server might look slightly different from the illustration below.
Figure 3. Rear view with 1 low profile PCIe adapter, 1 full height PCIe adapter, and 1 filler
Table 7. Components on the rear of the server
Callout
PCIe slot 1 on riser 1 assembly
1
Power supply 2 (optional)
3
NMI button
5
Callout
PCIe slot 2 on riser 1 assembly
2
Power supply 2 (optional)
4
NMI button
6
VGA connector
8
Ethernet connectors on OCP 3.0 Ethernet adapter
10
(optional)
"Rear components overview" on page
Callout
PCIe slot 2 on riser 1 assembly
2
Power supply 1
4
VGA connector
6
Chapter 2
19.
.
Server components
17