How to upgrade the DELL 3020 Memory (RAM) - YouTube
Refurbished: Dell OptiPlex 3020 Small Form Factor Computer PC, 3.20 GHz Intel i5 Quad Core Gen 4, 16GB DDR3 RAM, 512GB SSD Hard Drive, Windows 10 Home 64 bit - Newegg.com
Optiplex 3020 Max Ram Cheap Sale, 59% OFF | ilikepinga.com