How to upgrade the DELL 3020 Memory (RAM) - YouTube
Dell Optiplex 3020 Micro Desktop Computer Windows 10 Pro Intel i3 4th Gen 8GB Ram 500GB HDD and WIFI
Dell Optiplex 3020 Tower Computer PC, 3.20 GHz Intel i5 Quad Core Gen 4, 8GB DDR3 RAM, 500GB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Home 64bit (Renewed) | StackSocial
parts-quick 8GB DDR3 Memory for Dell Optiplex 3020 PC3-12800 1600MHz Non-ECC Desktop DIMM Compatible RAM Upgrade at Amazon.com
4GB Memory for Dell Optiplex 3020 Micro DDR3L 1600MHz SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
Optiplex 3020 SFF Graphics Card Upgrade - Dell Community