Dell POWEREDGE R610 - Manual (Page 133)

Installing System Components 133
5 Disconnect the power cable from the end of the SAS backplane.
6 Disconnect the SAS data cables from the backplane.
7 Remove the SAS backplane from the system:
a While pulling the two blue latches towards the front of the system,
slide the backplane upward. See Figure 3-23.
b When the backplane cannot slide upward any farther, pull the
backplane toward the back of the system to remove it from the
retention hooks.
c Lift the board out of the system, being careful to avoid damaging
components on the face of the board.
d Place the SAS backplane face down on a work surface.