Dell Precision 3930 Rack Service Manual page 50

c Remove the thermal pad.
Installing the M.2 PCIe Solid State Drive -SSD
1 Place the thermal pad into the slot on the system board [1].
2 Insert the M.2 PCIe SSD card into the card slot on the system board [2].
3 Replace the single (M2x3.5) screw that secures the M.2 PCIe SSD card to the system board [3].
50 Removing and installing components