QE65S85FAEXTK Key Features Resolution Format 4K Resolution (3840x2160) Screen Size 77 Inch Image Technology OLED Operation System Tizen Renovation Speed 120 HZ Broadcasting Support Satellite Receiver Yes Sound Features Audio Output Power (RMS) 20 W Dolby Digital Yes Dolby Atmos Yes Sound Features Object Tracking Sound (OTS Lite), Q-Symphony Image Features Quantum Dot Display Pantone Validated Auto Game Mode (ALLM) Game Motion Plus VRR Quantum Matrix Technology Supreme UHD Dimming Auto HDR remastering Real Depth Enhancer Supersize Picture Enhancer Colour Booster Pro HGIG Mode Motion Xcelerator 120Hz NQ4 AI Gen2 Processor 4K Real Depth Enhancer Wide Viewing Angle 4K AI Upscaling HDR OLED Ambient Mode Game Mode Connection Options Number of USB Ports 2 Number of HDMI Input 4 Optical Audio Output Yes Ethernet Yes Device Dimensions Width (with feet) 172.14 cm Height (with feet) 106 cm Depth (with feet) 33.02 cm