Noise reduction application free downloadMar 11, 2020 · A full screen black pattern maintained solid black evenly across the screen. Connections. The Samsung QN65Q90T has a total of four HDMI connectors (HDMI 2.1 on port 4), eARC on port 3). These will be available out of the box at launch. Other supported features include: Auto Low Latency Mode (ALLM), and Freesync/VRR.