Lenovo ThinkSystem SR650 V2 Maintenance Manual page 57

Rear view with eight 2.5-inch rear drive bays and four PCIe slots
Table 16. Components on the rear of the server
Callout
PCIe slot 1 (on riser 1 assembly)
1
PCIe slot 3 (on riser 1 assembly)
3
2.5-inch rear drive bays (8)
5
Power supply 2 (optional)
7
USB 3 (5 Gbps) connector (DCI)
9
USB 3 (5 Gbps) connectors (DCIs)
11
Ethernet connectors on OCP 3.0 Ethernet adapter
13
(optional)
Note: For more information about each component, see "Rear components overview" on page 50.
Callout
PCIe slot 2 (on riser 1 assembly)
2
PCIe slot 6 (on riser 2 assembly)
4
Power supply 1
6
NMI button
8
VGA connector
10
XClarity Controller Network connector
12
Chapter 2
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Server components
47