Dell DR4000 Owner's Manual page 58

Figure 3-1. Inside the System
10
1 cooling fan
3 expansion-card riser
5 cooling shroud
7 memory modules (8)
9 SAS backplane
58
Installing System Components
4
3
2
1
5
9
2 internal hard drives (2)
4 power supply bays (2)
6 heat sink/processor (2)
8 system cooling fans (4)
10 hard drives (12)
6
7
8