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Large flat 77 inch OLED TV with ultra-thin bezel and dark matte finish on a slim centre stand

SAMSUNG

SAMSUNG 77" OLED S90D 4K Smart LED TV 144Hz

SKU CH-YDFV-5G5RE

A 77-inch OLED 4K smart TV with 144Hz refresh rate, HDMI 2.1, Quantum HDR+ and Dolby Atmos for gaming and cinema

  • Screen Size77"
  • Deep blacks and vibrant colours from 77" OLED 4K panel
  • Quantum HDR+ reveals detail in bright and dark scenes
  • Dolby Atmos delivers multi-dimensional cinematic sound
  • 144Hz refresh rate with HDMI 2.1 for smooth gaming
  • Wi-Fi 6 and voice control via Alexa and Google Assistant

77" OLED 4K Smart TV

The Samsung S90D combines a 77-inch OLED panel with 4K resolution Quantum HDR+ and Dolby Atmos for cinematic picture and sound. Smart features include Gaming Hub Wi-Fi 6 Bluetooth and voice control via Alexa and Google Assistant. The bundle adds a 3-year warranty an AUX HDMI 2.0 cable and streaming subscriptions.

Ideal for movie fans and gamers seeking one large

Buyers who want a smaller screen or a lower-cost panel technology should look elsewhere. Households needing multiple HDMI 2.1 ports beyond what this model provides may need a different solution. Anyone requiring a display for bright-room daytime viewing without OLED characteristics should consider other options.

144Hz refresh rate with HDMI 2.1

This specification determines whether the TV matches high-frame-rate gaming sources and next-generation consoles. The 144Hz panel and HDMI 2.1 connectivity enable smooth motion for competitive and immersive play. Verify that your gaming devices support this refresh rate and connection standard before purchase.

Highlights

  • Deep blacks and vibrant colours from 77" OLED 4K panel
  • Quantum HDR+ reveals detail in bright and dark scenes
  • Dolby Atmos delivers multi-dimensional cinematic sound
  • 144Hz refresh rate with HDMI 2.1 for smooth gaming
  • Wi-Fi 6 and voice control via Alexa and Google Assistant

Specifications

Screen Size77"

Questions about this item

What VESA mounting pattern does the 77" OLED S90D require?

The 77" OLED S90D uses a standard VESA pattern for its size class; verify the exact millimetre spacing in the manual before purchasing a bracket.

Which HDMI port should I use for 144Hz gaming and what setting must be enabled?

Connect the console or PC to an HDMI 2.1 port, then turn on Game Mode in the Samsung Gaming Hub to unlock the full 144Hz refresh rate.

How do I reduce the risk of permanent image retention on the OLED panel over time?

Enable the built-in pixel-shift and logo-luminance controls, vary content regularly, and avoid static HUDs at maximum brightness for extended sessions.

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