Which Dell Optiplex MT (any model 990, etc.) can I change the graphics card without upgrading the PSU? Which GPUs would work? - Quora
![Dell Optiplex 790 SFF Office PC Core i7 16GB RAM 240GB SSD Intel HD Win 10 Pro : Amazon.co.uk: Computers & Accessories Dell Optiplex 790 SFF Office PC Core i7 16GB RAM 240GB SSD Intel HD Win 10 Pro : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61aqQXFCv7L._AC_SY450_.jpg)
Dell Optiplex 790 SFF Office PC Core i7 16GB RAM 240GB SSD Intel HD Win 10 Pro : Amazon.co.uk: Computers & Accessories
![Dell OptiPlex 790 SFF Quad Core i5-2400 8GB 240GB SSD DVD WiFi Windows 10 Professional Desktop PC Computer (Renewed) : Amazon.co.uk: Computers & Accessories Dell OptiPlex 790 SFF Quad Core i5-2400 8GB 240GB SSD DVD WiFi Windows 10 Professional Desktop PC Computer (Renewed) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41lTxbcuHxL._AC_.jpg)