Dell OptiPlex Small Form Factor Plus 7020 Owner's Manual page 60

Figure 22. Installing the M.2 2280 solid-state drive
Steps
1. Peel off the protection film on the thermal pad.
2. Align and adhere the thermal pad on the M.2 2280 solid-state drive slot on the system board.
NOTE: The thermal pad is re-usable. The thermal pad is pre-installed on computers that are shipped with solid-state
drive. If the solid-state drive is purchased separately, the thermal pad is not bundled with the solid-state drive kit and
must be purchased separately.
3. Peel off the protection Mylar on the thermal pad.
4. Align the notch on the M.2 2280 solid-state drive with the tab on the solid-state drive slot (M.2 PCIe SSD-2) on the system
board.
5. Slide the M.2 2280 solid-state drive into the solid-state drive slot (M.2 PCIe SSD-2) on the system board.
6. Replace the screw (M2x3.5) that secures the M.2 2280 solid-state drive to the system board.
Next steps
1. Install the disk-drive cage.
2. Install the 3.5-inch hard
3. Install the front bezel.
4. Install the side cover.
5. Follow the procedure in
60 Removing and installing Customer Replaceable Units (CRUs)
drive, if applicable.
After working inside your computer.