Alienware M18x R2 Owner's Manual page 22

4 Disconnect the interposer from the hard drives.
1 hard drives (3)
5 Remove the screws that secure the hard drive(s) and slide the hard drive(s) out of
the hard-drive bracket.
1 hard-drive bracket
3 HDD 1 (SATA 3.0)
5 HDD 0 (SATA 3.0)
22
| Removing the Hard Drive(s)
1
1
2 interposer
5
2
2 HDD 2 (SATA 2.0)
4 screws (12)
2
4
3