Lenovo ThinkSystem SR645 Setup Manual page 42

Server model with two PCIe slots
The following illustration shows the rear view of the server model with two PCIe slots. Depending on the
model, your server might look slightly different from the illustration below.
Table 13. Components on the rear of the server
Callout
PCIe slot 1 on riser 1 assembly
1
Power supply 2 (optional)
3
NMI button
5
VGA connector
7
Ethernet connectors on OCP 3.0 Ethernet adapter
9
(optional, two or four connectors may be available)
Note: For more information about each component, see "Rear components overview" on page 41.
ThinkSystem SR645 Setup Guide
38
Callout
PCIe slot 2 on riser 1 assembly
2
Power supply 1
4
USB 3.1 Gen 1 connectors (3)
6
XClarity Controller network connector
8