Though connecting an external monitor to the laptop has its uses, it is certainly not required or necessarily better. For example, top configurations of our new GE66 Raider and GS66 Stealth have IPS level displays with a whopping 300Hz refresh rate! Most people will not have a monitor that compares or exceeds the capabilities of the display for the laptop itself. However, a multi-monitor set up can definitely be useful when you want to have a guide up for your game, if you are streaming your game play and need to be able to read chat, or just multi-tasking in general. That's why our new laptops give you the option to connect multiple-monitors to them be it through HDMI, Mini Displayport, or even Thunderbolt 3 depending on the model.