Dell EMC PowerEdge R740 Installation And Service Manual page 122

Figure 69. Removing the expansion card from expansion card riser 2
Figure 70. Removing the expansion card from expansion card riser 3
Next steps
1 Install the expansion card into the expansion card
2 If you are removing the card permanently, install a metal filler bracket over the empty expansion slot opening and push the expansion
card latch.
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.
122 Installing and removing system components
riser.