Dell Optiplex 3020 MT w/ Intel Core i3-4150 CPU @ 3.50GHz 8GB RAM (No HDD or OS) | eBay
Dell Optiplex 3020 Business Desktop Computer with 20-inch Screen (Intel Quad Core i5 up to 3.4GHz Processor), 16GB RAM, 512GB SSD, Windows 10 Professional (Used) - Walmart.com
Restored Dell 3020-T Desktop PC with Intel Core i5-4570 Processor, 8GB Memory, 500GB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
Amazon.com : Dell OptiPlex 3020 MT Business/Professional PC - Intel Core i3-4160 3.60 GHz Processor - 4GB RAM - 500GB Hard Drive - DVDRW - Windows 7 Professional (Mini-Tower) : Electronics
Amazon.com: Dell OptiPlex 3020-SFF, Intel Core i5-4570 3.2GHz, 4GB RAM, 500GB Hard Drive, DVDRW, Windows 10 Pro 64bit (Renewed) : Electronics
Custom Dell 3020 SFF- Core i5 - UPTO 16GB RAM - UPTO 1TB HDD & 256GB SSD Hard Drive - Wifi Adapter - Windows 10 Pro