Dell Optiplex 3020 Upgrade RAM, Video Card, Hard Drive Install Change Replace - YouTube
Support for OptiPlex 3020 | Drivers & Downloads | Dell US
Renewed) Dell Optiplex 3020 Mini PC (Core I3 4th gen, 8GB RAM, 500 GB HDD, Windows 10 Pro, MS Office|Intel HD Graphics|USB, Ethernet,VGA|PAN India Warranty), Black : Amazon.in: Computers & Accessories
Optiplex 3020 graphics card upgrade - Dell Community