SAMSUNG QE65S92CATXXU 65" Smart 4k Ultra HD HDR OLED TV with Bixby 6 Amazon Alexa: Naturally bright color with Quantum Dot technology, Intelligent upscaling with Quantum Processor 4k, Refresh rate: 120 Hz (up to 144 Hz). HDMI 2.1 x 4, 5 year guarantee, Samsung Smart TV has a large choice of apps and services