This monster "engineer's laptop" can use both screens at once, or share a screen with a coworker (or a kid playing a Switch and using it as a portable monitor).
Woot is offering a refurbished MSI 34-inch OLED monitor for less than half the going rate for this kind of display, so get it ...
Compare DisplayPort vs. HDMI and learn which cable offers better performance for gaming, home theater, and professional use.