I got this Dell optiplex 9020 for $50 off of Craigslist, it has a I5-4570 CPU, 8GBs of DDR3 1600MHz RAM, and a AMD Radeon HD 8570 GPU. And just for the
Refurbished: Dell 3020 SF Business Desktops & Workstations Quad Core I5-4570 8GB 500GB Nvidia GT1030 HDMI Windows 10 WiFi - Newegg.com