How do I know if my HDMI cable is 144Hz?
What HDMI cable do you need for 144Hz? The best cable for 144hz is HDMI 2.0. DVI, DisplayPort, and HDMI are the most common interfaces that support 144Hz monitors. If you want the best picture quality, you need a high-speed cable such as HDMI 2.0 to support 1440p at 144Hz (see also best 1440p 240Hz monitors). How do I know …