1. Left-side cover 2. Front-I/O bracket
3. Memory module 4. Hard-drive cage
5. Hard drive 6. Hard-drive and optical-drive bracket
7. Front cover 8. Chassis
9. Power-supply unit 10. System board
11. Fan and heat-sink assembly 12. Fan shroud
13. Optical drive (optional) 14. M.2 2230 solid-state drive
15. Wireless card
Removing and installing components 53