Dell OptiPlex 7490 All-In-One - Cable cover-optional; Removing the cable cover

1. Wireless card
2. System board
3. Camera assembly
4. Heat sink
5. M.2 2230/2280 solid-state drive/Intel Optane PCIe connector
6. Processor fan
7. Memory modules
8. Hard drive
9. M.2 2230/2280 solid-state drive PCIe connector
10. Side-I/O board
11. Speakers
12. Power-button board
13. Microphones
14. Coin-cell battery
15. Power-supply fan
16. Power-supply unit
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