Resolutions up to 4K 60Hz using a compatible HDMI source and display Supports high refresh rates including 1440p 144Hz and 1080p 240Hz 21:9 Aspect Ratio support for cinematic viewing experiences High Dynamic Range (HDR10) for higher contrast ratio and vibrant picture quality High-Bandwidth Digital Content Protection (HDCP) 2.2 for a secure connection between source and display Audio Return Channel (ARC) for sending audio from the TV back to an AV receiver or soundbar Up to 32 Uncompressed Digital Audio Channels HDMI Ethernet Channel (HEC) for network connectivity over HDMI Backward compatible with previous HDMI versions