Amazon.com: Dell Optiplex 990 Desktop Computer Package - Intel Quad Core i5 3.1GHz Processor, 8GB RAM, 500GB Hard Drive, DVD, 19 Inch LCD Monitor, New USB Keyboard, Mouse & WiFi, Windows 10 (Renewed) : Electronics
Dell OptiPlex 990 DT Intel Core i5-2400 3.10GHz 8GB 500GB Windows 10 PC Desktop | eBay
Dell OptiPlex 990 Tower Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 16GB DDR3 RAM, 500GB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Home 64bit (Renewed) | StackSocial