Dell OptiPlex GX50 Systems Service Manual page 61

1 Card-edge connector
2 Expansion card
3 Riser board
4 Expansion-card connector
5 Expansion-card cage
4. Place the expansion card on the connector and press down firmly. Make sure that the card is fully seated in the slot.
If the expansion card is full-length, insert the end of the card into the expansion-card guide bracket as you lower the
card toward its connector on the system board. Insert the card firmly into the expansion-card connector on the system
board.
Expansion Card Connection