Lenovo ThinkStation P520 30BE User Manual page 118

c. Pull the handle of the retention latch outward to the open position.
Figure 95. Opening the retention latch
d. Hold the new M.2 solid-state drive by its edges and ensure that the circuit board side is facing
upward. Align the notch in the new M.2 solid-state drive with the slot key in the M.2 slot. Insert the
drive into the corresponding 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 96. Installing the M.2 solid-state drive
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P520 User Guide