Dell Precision 390 - Manual (Page 67)

To remove a SAS hard drive:
a. Disconnect the power cable from the SAS drive.
b. Remove the SAS connector from the hard drive.
c. Disconnect the SAS cable from the SAS controller card.
3. Press in on the blue tabs on each side of the hard-drive bracket and slide the drive up and out of the primary or secondary hard-drive bay.
1 SATA0 connector 2 SATA1 connector 3 power cable
4 serial ATA cable
1 SAS connector on SAS
controller card
2 SAS connector on SAS
controller card
3 hard drive in secondary
hard-drive bay
4 hard drive in primary
hard-drive bay
5 blue tabs (2 on each hard-
drive bracket)
1 blue tabs (2) 2 secondary hard-drive bay 3 hard drive in primary hard-drive bay