Restored Dell Optiplex 790 Desktop Towers Computer, Intel Core i5, 8GB RAM, 500GB HD, DVD-ROM, Windows 10 Home 64 Bit, Black (Refurbished) - Walmart.com
Dell OptiPlex 790 - i7-2600 3.40 GHz Processor, 8GB RAM, 250GB, Windows 10, Grade B - Green Dragon Technology
Dell OptiPlex 790 i5-2400 3.10GHz 4GB RAM 500GB HDD Windows 10 Pro #73 | eBay
4GB Memory Upgrade for Dell Optiplex 790 MT/DT/SFF/USFF DDR3 P3-12800 1600MHz Non-ECC Desktop DIMM RAM Upgrade (PARTS-QUICK Brand) at Amazon.com
Dell OptiPlex 790 Ultra Small Form Factor Computer PC, 3.10 GHz Intel i3 Dual Core Gen 2, 16GB DDR3 RAM, 240GB SSD Hard Drive, Windows 10 Professional 64Bit (Renewed) | Macworld
Dell Optiplex 790 SFF Small Form Factor Business Desktop Computer PC (Intel Dual Core i3 CPU 3.3GHz, 4GB DDR3 Memory, 500GB HDD, DVDRW, Windows 10 Professional) (Renewed) (D790sffci34GB500GBW10ProKBmiwi 1)
How To Upgrade/Replace the RAM in Dell Optiplex 790! - YouTube