HP EliteDesk 800 G3 Desktop Mini, HP ProDesk 600 G3 Desktop Mini, HP ProDesk 400 G3 Desktop Mini - Maintenance and Service Guide

5. Slide the new memory module (1) into the slot at approximately a 30° angle, and press the memory
module down (2) so that the latches lock it in place.
NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab
on the memory module slot.
The computer automatically recognizes the additional memory when you turn on the computer.
28 Chapter 4 Removal and replacement procedures – desktop mini (DM) chassis