Dell OptiPlex 3050 Small Form Factor Owner's Manual page 29

g. memory module
h. M.2 PCIe SSD
i. SD card reader
3. To remove the I/O panel:
a. Remove the screw that secures the I/O panel [1].
b. Slide and push toward the front from the computer [2].
4. Disconnect the following cables from the system board:
a. speaker [1]
b. 2.5–inch drive [2]
c. optical drive [3]
d. Data cable [4]
Removing and installing components 29