Lenovo ThinkStation P520 User Manual page 119

a. If necessary, move the retention latch to an appropriate location to suit the length of the new M.2
solid-state drive.
Figure 88. Adjusting the location of the retention latch on the PCIe adapter
b. If necessary, remove the film on the thermal pad on which you want to install the M.2 solid-state
drive.
c. Pull the handle of the retention latch outward to the open position.
Figure 89. Opening the retention latch
.
Chapter 7 Hardware removal and installation
105