Dell XPS 8930 Service Manual page 30

Figure 13. Removing the hard-drive assembly
1 data cable
3 hard-drive cage
5 hard-drive carrier
3 Pry the hard-drive carrier to release the tabs on the carrier from the slots on the hard drive.
4 Lift the hard drive off the hard-drive carrier.
NOTE: Note the orientation of the hard drive to replace it correctly.
Figure 14. Removing the hard drive from the bracket
1 hard drive
30 Removing the primary hard-drive
2 power cable
4 release tabs
2 hard-drive carrier