Dell OptiPlex 9020 All In One (Mid 2013) - Manual (Page 9)

2
Removing and Installing Components
This section provides detailed information on how to remove or install the components from your computer.
System Overview
Figure 1. Inside View
1. power supply unit (PSU)
2. camera
3. hard drive
4. processor fan 5. coin-cell battery
6. heat sink assembly
7. heat sink
8. memory module
9