16GB 2X8GB Memory RAM Compatible with Dell OptiPlex 7040 Mini Tower BY CMS B107 | eBay
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 Canada