Yep. In addition, you can use the monitor extension by using dell ultra-sharp monitors via mini DP connection.
Does the Dell Optiplex 3040 SFF have VGA and DisplayPort ports? If it does, can you plug both of them in at the same time and extend the screens on Windows?My Dell Optiplex 3040 Specifications:Intel i3-6100Integrated Graphics500GB HDD8GB DDR3 RAM
Optiplex 3040 SFF, DisplayPort and VGA