Dell 23.8" OptiPlex 7410 All-in-One Desktop Computer (Gray) - Manual (Page 96)

14. Solid-state drive slots (M.2 PCIe SSD 1 + M.2 PCIe SSD 0)
15. Display cable (CVDS)
16. Coin-cell battery socket (RTC)
17. Processor socket (CPU)
The following image(s) indicate the location of the system board and provides a visual representation of the installation
procedure.
96 Removing and installing Field Replaceable Units (FRUs)