Dell EMC PowerEdge R750xs Installation And Service Manual page 104

Figure 101. Installing the M.2 SSD
8. Slide the BOSS S2 card carrier into the BOSS S2 controller card module slot.
Figure 102. Installing the BOSS S2 controller card module
9. Close the BOSS S2 card carrier release latch to lock the carrier in place.
104 Installing and removing system components