Lenovo ThinkStation P920 Tower Workstation - Manual (Page 114)

d. Hold the new M.2 solid-state drive by its edges and ensure that the circuit board side is facing
upward. Insert the drive into the M.2 solid-state drive slot on the PCIe adapter until it is firmly seated.
Then, insert the plug of the retention latch into the hole to secure the new drive.
Note: Do not touch the circuit board of the M.2 solid-state drive.
Figure 84. Installing the M.2 solid-state drive
6. Install the heat sink as shown. Then tighten the screws to secure the heat sink.
Figure 85. Installing the heat sink onto the PCIe adapter
102 P920 User Guide