The messy DisplayPort 2.1 specs mean you could be limited to a monitor cable too short to be of any use if you want to hit 4K at 240 Hz
DisplayPort is generally seen as the superior technology for transmitting images from a graphics card to a monitor, but the latest 2.1 version is causing all kinds of headaches. Poor quality or very short cables limit how useful the tech actually is, but the confusing specs don't help either.