Question wll a gt 9800 1gb fit in optiplex 780 dt without any performance issue

[Neucro]

will a nvidia geforce gt 9800 1gb fit in optiplex 780 dt ?

 

[Baumber]

if the computer has the stock power supply then it will not have the required 6pin connectors.

 

[theonerm2]

I doubt it. You need a 400 W PSU or greater.