Air Shroud - Dell PowerEdge R740xd Installation And Service Manual

Figure 24. Inside the system – mid drive tray and rear drive cage
1 drive backplane
3 cooling fan (6) in the cooling fan assembly
5 mid drive backplane
7 drive (2 or 4) in the rear drive cage
9 expansion card riser 1
11 NVDIMM-N battery

Air shroud

The air shroud directs the airflow across the entire system. Air shroud prevents the system from overheating and is used to maintain
uniform airflow inside the system.
74 Installing and removing system components
2 backplane expander card
4 drive (4) in the mid drive tray
6 rear drive backplane
8 system board
10 integrated storage controller card