Refurbished: Dell OptiPlex 790 Small Form Factor with Core i3-2120 3.3GHz Dual Core Processor, 8GB Memory, 500GB Hard Drive, and Windows 7 Professional - Newegg.com
Amazon.com: Dell Optiplex 390 Desktop PC - Intel Core i3-2120 3.3GHz 8GB 1.0TB DVDRW Windows 10 Pro (Renewed) : Electronics
Dell Optiplex 790 Mini Tower Intel Core i3-2120 @ 3.30GHz 8GB RAM No HDD No OS | eBay