Lenovo ThinkStation P720 Hardware Maintenance Manual page 158

M.2 solid-state drive in an M.2 solid-state drive PCIe adapter
Install M.2 solid-state drives in the alphabetic order as shown.
Figure 107. M.2 solid-state drive installation order
To remove or install an M.2 solid-state drive in the M.2 solid-state drive PCIe adapter, do the following:
1. Remove the M.2 solid-state drive PCIe adapter from the PCIe card slot. See "Full-length PCIe card" on
page 164.
2. Slide the cover latches to the open position. Then, pivot the cover as shown until it stops.
Figure 108. Opening the cover
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P720 Hardware Maintenance Manual