Lenovo ThinkCentre 7706 Video Card

There are really only two kinds of graphic cards, integrated and dedicated. Integrated cards are built-in to the computer itself, while dedicated is a separarate piece of hardware that gets installed. Most new desktops will have at least one PCIe slot open for a dedicated video card to be added to the system. A video card computes and sends the resulting images to an external monitor where you can see the results. Integrated display adapters are almost never as good as dedicated graphic cards, generally speaking. Dedicated video cards are typically a required piece of hardware for high-end games on the desktop like Overwatch, Battlefield or Far Cry. At the moment, nVidia rules the dedicated card market, while AMD is sitting in second place.