Wondering if this will work in my Dell Optiplex GX 280 tower-style PC

[farrentodd]

Nvidia P356 Quadro FX4600 graphics card - 768MB GDDR3 PCI-Express x16 dual DVI out thank you all

 

[Tmagic650]

As long as you have a PCI express socket on the motherboard, that card will work. You may need a power cable adapter to be able to connect the card to the power supply