Lenovo ThinkSystem SR650 Series Setup Manual page 166

Step 3. Slide the retainer forward (toward the connector) to secure the M.2 drive into place.
Attention: When sliding the retainer forward, ensure that the two nubs
small holes 4
Figure 90. Instruction for sliding the retainer
162
ThinkSystem SR650 Setup Guide
on the M.2 backplane. Once they enter the holes, you will hear a soft "click" sound.
3
on the retainer enter the