Dell XPS 730 (Late 2008) - Manual (Page 38)

36 Replacing a PCI/PCI Express Card
6 Press the securing tab (if present) on the system board connector as you
grasp the card by its top corners, and then ease the card out of the
connector.
NOTE: If the card is full length, press the securing tab on the end of the
alignment guides on the fan bracket.
1 retention screw 2 card retainer
3 alignment guide 4 fan bracket
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