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Overview

Experience immersive entertainment with the Samsung 55" QN77H 4K UHD HDR TV, powered by Vision AI for vivid visuals and smooth action. Smart features and dedicated modes tailor the viewing experience for sports and gaming fans. Enjoy easy access and true-to-life colour.
  • 55" 4K Ultra HD—best for family rooms and most living rooms
  • Real Neo QLED delivers exceptional contrast and brightness

Samsung 55" QN77H 4K UHD HDR Mini-LED 144Hz Vision AI Tizen OS Smart TV (QN55QN77HAFXZC) - 2026 - Only at Best Buy

Brand: Samsung
Model: QN55QN77HAFXZC
Web Code: 19878031
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Manufacturer's Warranty

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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What you need to know

  • 55" screen size with 3840 x 2160 resolution for family rooms and most living rooms
  • Smart TV with One UI Tizen for seamless streaming and apps
  • Quantum Mini-LED for precise lighting and vivid colour
  • 144Hz refresh rate for ultra-smooth, responsive motion
  • Wi-Fi 6E, Bluetooth, and support for Amazon Alexa and Google Assistant

Screen, Picture & Resolution

  • Real Neo QLED with 144Hz and NQ4 AI Gen2 processor brings true-to-life clarity and colour
  • Quantum Mini-LED creates brighter highlights, deeper blacks, and detailed visuals
  • Native 4K Ultra HD display for crisp, lifelike images

Motion & Modes

  • Motion Xcelerator 144Hz delivers smoother action for sports and gaming
  • Game Mode optimizes performance for gaming sessions
  • AI Soccer Mode enhances sports viewing for an immersive experience

Smart Features

  • Vision AI Smart TV with One UI Tizen enables intuitive navigation and personalized content
  • Voice assistant built-in with support for Amazon Alexa and Google Assistant for hands-free control

Connections & Compatibility

  • Four HDMI inputs for easy device connectivity
  • Wi-Fi 6E and Bluetooth for fast, reliable streaming and device pairing
  • USB media port allows playback from external drives
  • Wall mount optional with 300 x 200 specification for flexible installation

Audio

  • Built-in speakers with 20W power output ensure clear sound for your entertainment

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.