Dell EMC E39S Series Installation And Service Manual page 118

Steps
1. Pull the expansion card latch out of the slot.
2. Hold the expansion card by its edges, and pull the card until the card edge connector disengages from the expansion card connector
on the riser.
Figure 59. Removing the expansion card from expansion card riser 1
Figure 60. Removing the expansion card from expansion card riser 2B
118 Installing and removing system components