The Samsung QE77S90CATXXU OLED TV offers a 77-inch 4K HDR display for an immersive cinematic experience. Its OLED technology provides perfect blacks and vibrant colours with infinite contrast ratios, enhanced by High Dynamic Range for lifelike visuals. The Neural Quantum Processor 4K uses AI to upscale content to stunning 4K resolution, optimising detail and clarity. The TV features a sleek, minimalistic design with a nearly bezel-less screen. It runs on Samsung's Tizen OS for easy access to streaming services and apps, with integrated voice control. Key features include an Anti-Reflection Screen, Motion Xcelerator Turbo Pro for 4K 144Hz gaming, Quantum HDR OLED for powerful brightness and contrast, PANTONE Validated colour, and EyeComfort Mode for reduced eye strain. The Gaming Hub provides access to cloud gaming without a console, and the Super Ultrawide GameView and Game Bar 3.0 offer an enhanced gaming setup. Auto Game Mode optimises settings for play, while Dolby Atmos® and Object Tracking Sound Lite deliver immersive audio. Samsung Q-Symphony synchronises TV and soundbar audio. The SolarCell One Remote controls multiple devices and is eco-friendly. SmartThings allows control of smart home devices via the TV.