Upgrading Dell Optiplex 7040 with more of the same 4GB RAM? : r/PcBuild
Dell Optiplex 7040 Desktop Computer PC, 3.40 GHz Intel i5 Quad Core Gen 6, 16GB DDR3 RAM, 2TB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Professional 64bit Refurbished - Walmart.com
PC Computer Ricondizionato Dell Optiplex 7040 Mini Intel i5-6400T Ram 8GB DDR4 SSD 240GB Freedos