How to turn DELL Optiplex 7040 SFF into Powerful Gaming PC with RX 6400 - YouTube
Amazon.com: Dell OptiPlex 7040 Small Form Factor PC, Intel Quad Core i7-6700 up to 4.0GHz, 16G DDR4, 512G SSD, Windows 10 Pro 64 Bit-Multi-Language Supports English/Spanish/French (Renewed) : Electronics