Dell XPS 730 (Late 2008) - Manual (Page 41)

Replacing a PCI/PCI Express Card 39
NOTE: If the card is full length, insert the card guide into the alignment slot on
the fan bracket.
CAUTION: Ensure that you release the securing tab to seat the card. If the card is
not installed correctly, you may damage the system board.
17 Gently pull the securing tab (if present) and place the card in the
connector. Press down firmly and ensure that the card is fully seated in the
slot.
1 PCIe x16 card 2 securing tab
3 PCIe x16 card slot
1
3
2