Dell OptiPlex 3020 Small Form Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 4, 4GB DDR3 RAM, 2TB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Home 64bit - Walmart.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 3020 Mt/Sff - A63 at Amazon.com
Solved: Optiplex 3020, ram upgrade - Dell Community