Dell OptiPlex 7090 Tower - Page 80

18. M.2 PCIe SSD connector
19. PCIe x4 (Slot4)
20. PCI (Slot3)
21. PCIe x16 (Slot2)
22. PCIE x1 (Slot1)
23. System fan connector
24. Chassis Intrusion Detection connector
25. Type-C connector
26. Processor socket
27. Video connector
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
80 Removing and installing components