Hi all, one of our churches computers is being used for our video surveillance cameras (program and storage of video files). It has it's own graphics card. The computer has it's original graphics card also. I need a VGA port on this computer (for another monitor) and was wondering if I can add a VGA card in one of the left over slots, I think the left over slot is PCI. The main graphics card has a DVI-d port for the computer monitor (HD) I think the computer can handle about anything like this. i7 processor, 8 gig mem.2 tb hard drive. Can a VGA be added? Thanks, Sean