Amazon.com: DELL Optiplex 3020 SFF Slim Desktop Computer, Intel Core i3 4130 3.40 GHz, 4GB RAM, 500GB HDD, DVDRW, USB 3.0, Windows 10 Pro 64 Bit (Renewed)'] : Electronics
Dell OptiPlex 3020 MT Intel Core i5-4590 3.30GHz CPU 4GB RAM No HDD No
Restored Dell OptiPlex 3020 Desktop Computer with Intel 3.4GHz Processor 8GB RAM 500GB HD Wi-fi DVD Windows 10 and 19" LCD Monitor - PC (Refurbished) - Walmart.com
Amazon.com: Dell OptiPlex 3020 SFF puter Desktop PC, Intel Core i5 Processor, 8GB Ram, 500 GB Hard Drive, Win 10 Pro (Renewed) black S-(12 x 18 hes) : Electronics
How to Install Memory in a Dell OptiPlex 3020 Computer - YouTube
A-Tech 8GB Memory RAM for Dell OptiPlex 3020 SFF - DDR3 1600MHz PC3-12800 Non ECC DIMM 2Rx8 1.5V - Single Desktop Upgrade Module (Replacement for A6994446) at Amazon.com
Dell OptiPlex 3020 MT Intel Core i5-4570 3.20GHz CPU 4GB RAM No HDD No
DELL Optiplex 3020 Desktop Computer PC, Intel Quad-Core i5, 1TB HDD, 8GB DDR3 RAM, Windows 10 Home, DVD, WIFI, 19in Monitor, USB Keyboard and Mouse (Used - Like New)" - Walmart.com
4GB Memory for Dell Optiplex 3020 Micro DDR3L 1600MHz SODIMM RAM (PARTS-QUICK Brand) at Amazon.com
Dell Optiplex 3020 MT Intel Core i5-4570 3.2GHz 16GB RAM No HDD No OS