DELL Optiplex 3020 - Intel Core i5 - 1TB HD - 8 GB Ram - Windows 10 | eBay
4GB Memory Upgrade for Dell Optiplex 3020 DDR3 PC3-12800 1600MHz Non-ECC Desktop DIMM RAM Upgrade (PARTS-QUICK Brand) at Amazon.com
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Dell Optiplex 3020 MTW,Intel Core I5-4590 3.3GHz , 16G RAM, 256G SSD + 1T WIFI , BT , DVD ,VGA/DP, Windows 10 Home 64 bits Multi Language Used Grade A - Walmart.com
Amazon.com: Dell Optiplex 3020 Small Form Desktop, Intel Core i5 4570 3.2Ghz, 8GB DDR3 RAM, 512GB SSD Hard Drive, Windows 10 (Renewed) : Electronics
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 3020 Mt/Sff - A63 at Amazon.com
Dell OptiPlex 3020 Tower Intel Core i3 4th Gen. 8GB RAM 256GB SSD Windows 10 Home
Dell OptiPlex 3020 MT Intel Core i5-4590 3.30GHz CPU 4GB RAM No HDD No
Dell Optiplex 3020 MT Intel Core i5-4570 3.2GHz 16GB RAM No HDD No OS
How to upgrade the DELL 3020 Memory (RAM) - YouTube