Which Dell Optiplex MT (any model 990, etc.) can I change the graphics card without upgrading the PSU? Which GPUs would work? - Quora
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DELL OPTIPLEX 390 DT Desktop Computer, Intel Core I3-2100 3.1GHz, 8GB DDR3, 1TB, DVD, WIFI, HDMI, VGA, Bluetooth 4.0, Windows 10 Professional 64 Bit - Walmart.com
![Dell OptiPlex 390 - Intel Core i3 [2100] 3.10GHz, 4GB Memory, 250GB HDD, DVD, HDMI video with Windows 7 Professional (Renewed) : Amazon.co.uk: Computers & Accessories Dell OptiPlex 390 - Intel Core i3 [2100] 3.10GHz, 4GB Memory, 250GB HDD, DVD, HDMI video with Windows 7 Professional (Renewed) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/51XShYDVN1L._AC_UF894,1000_QL80_.jpg)