IBM System x3650 M4 Type 7915 - Installation Guidelines

System-board optional device connectors
The following illustration shows the connectors for user-installable options.
Optical drive
connector
USB tape
connector
Microprocessor 1
Microprocessor 2
Optional PCI
riser connector 1
Optional PCI
riser connector 2
Optional
10G Ethernet
card connector
DIMM 1-6
DIMM 19-24
DIMM 7-18Fan 4
connector
22 IBM System x3650 M4 Type 7915: Problem Determination and Service Guide