Does HDMI support 144Hz? Yes, depending on the HDMI version, resolution, and bandwidth. All versions of HDMI from HDMI 1.3 onward right through to HDMI 2.1 provide enough raw bandwidth for 144Hz, provided sacrifices are made in either color, chroma, compression, or resolution.

What HDMI do you need for 144Hz?

1440p at 144Hz, you will need at least an HDMI 2.0 or a DisplayPort 1.2 cable. 3.4K at 144Hz, you will need a HDMI 2.1 or a DisplayPort 1.4 cable which can carry 120Hz signal without compression.

How do I set my HDMI to 144Hz?

From the desktop, right click on the desktop itself and select Screen Resolution. Then select Advanced Settings, navigate to the monitor tab, and choose 144Hz from the drop-down menu.