Dell PowerEdge R630 Owner's Manual page 76

Figure 22. Inside the system—eight hard drive system
1. control panel assembly
3. processor 1
5. power supply unit (PSU) connector
7. riser card 3
9. riser card 2
11. DIMMs (6)
13. DIMMs (12)
15. hard drive
76 Installing and removing system components
2. cooling fans (7)
4. DIMMs (6)
6. PSU (2)
8. network daughter card
10. riser card 1
12. processor 2
14. hard drive backplane