The Samsung QE65Q95TATXZG TV has a total of 4 HDMI ports, which are equipped with HDMI 2.0. In addition, the following HDMI 2.1 features are supported:

HFR (High Frame Rate) 4K@120Hz - HDMI Port 4
HFR (High Frame Rate) 2K@120Hz
ALLM (Automatic Low Latency Mode)
VRR (Variable Refresh Rate)
dynamic metadata
4K@60Hz
eARC - HDMI Port 3

Please note that HDMI 2.1 HFR (High Frame Rate) 4K@120Hz is only supported on the TV's HDMI Port 4.