Adding a video card
What video cards can I use to upgrade my system
Is this a good question?
The OptiPlex 755 is an energy-efficient desktop computer designed for businesses. It was released in mid 2007.
mrmac4, your Dell has a PCI Express x16 connector slot which could be used for a video card upgrade. No issues with that at all since a PCI Express graphics card will override the integrated video controller.
Dell has annoying proprietary motherboards, but this one still allows small form factor PCI-e GPU’s.
If you can explain what you want to use the GPU for, we can select a fitting one for you.
For HD video playback, an AMD HD4550 should be fine. For light gaming a Nvidia 750 is about the max I would trust the crappy power supply in those things with.
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