Dell OptiPlex 3070 Tower - Major System Components Overview

Major components of your system
1. Side cover
2. Hard drive assembly-3.5-inch
3. Optical drive
4. Heatsink fan assembly
5. Processor
6. Memory module
7. M.2 PCIe SSD
8. Power button
9. System board
10. Front panel door
11. Bezel
12. Hard drive assembly-2.5-inch
13. Speaker
14. System fan
15. Power supply unit
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Major components of your system 15