Dell Optiplex 3020 SFF Computer Intel Core I5-4570 8GB DDR3 256GB SSD WiFi USB 3.0 Displayport Windows 10 Home includes Two 22" LCD Monitors - Walmart.com
Dell Optiplex 3020 Upgrade RAM, Video Card, Hard Drive Install Change Replace - YouTube
Refurbished: Refurbished Dell OptiPlex 3020 Tower Intel Core I3 4130 3.4G / 8G DDR3 / 1TB / DVD / Windows 7 Professional 64 Bit / 1 Year Warranty - Newegg.com
Dell OptiPlex 3020 Small Form Factor PC, 3.2 GHz Intel i5 Quad Core Gen 4, 16GB DDR3 RAM, 1TB SATA HD, Windows 10 Home 64 Bit (Refurbished Grade B) | ClickOrlando