Dell EMC PowerEdge C4140 Installation And Service Manual page 51

Figure 47. Removing expansion card from riser 1
Figure 48. Removing expansion card from riser 2
3. Install a expansion card filler bracket if you are not going to replace the expansion card. .
NOTE: You must install a filler bracket over an empty expansion card slot to maintain Federal Communications
Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the system and aid in proper
cooling and airflow inside the system. .
PowerEdge C4140 installing and removing system components 51