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Samsung 77 inch OLED TV in Graphite Black, flat screen with slim bezels and bottom speakers

SAMSUNG

SAMSUNG QN77S85HAEXZA 77" 4K OLED Smart TV 120Hz 2026

SKU CH-A9FF-4B0BQ

A 77-inch 4K OLED Smart TV with 120Hz refresh, NQ4 AI Gen2 Processor, Dolby Atmos, Gaming Hub and four HDMI ports

  • Year2026
  • ColorGraphite Black
  • TV TypeOLED TV
  • Curved TVNo
  • Screen Size77"
  • Recommended Resolution4K
  • Self-illuminating pixels deliver deep contrast and bright highlights on the 77" OLED panel
  • 120Hz refresh with Motion Xcelerator keeps fast motion smooth for sports and gaming
  • NQ4 AI Gen2 processor upscales content to 4K and optimizes picture in real time
  • Four HDMI inputs and Wi-Fi 6E connect consoles, streamers and sound systems
  • Tizen OS with Gaming Hub, voice assistant and Multi-View puts apps and settings at your fingertips

77-inch OLED TV for home cinema and gaming

The Samsung QN77S85HAEXZA is a 77-inch 4K OLED Smart TV built for viewers who want deep blacks and bright highlights in one panel. Its NQ4 AI Gen2 processor upscales older sources to near-4K clarity while the 120 Hz panel keeps motion smooth for sports and fast-paced games. The set runs Samsung Tizen OS with built-in voice assistance and a Gaming Hub for cloud titles. Buyers who need a smaller screen or a lower refresh rate should look elsewhere.

Thermals noise and power in daily use

OLED pixels emit their own light so the panel runs cooler than traditional LED backlights and produces no fan noise during normal viewing. The 2-channel bottom-firing speakers with Dolby Atmos and Object Tracking Sound Lite deliver clear dialogue without external amplification at moderate volumes. Adaptive Sound Pro and Active Voice Amplifier adjust output automatically when ambient noise rises. The included 6.8 oz screen cleaner helps maintain optical performance without residue.

Build connectors and mounting day to day

The graphite-black chassis measures 67.8 inches wide by 13 inches deep by 41.7 inches high on its included stand and supports 400 x 300 VESA mounts for wall installation. Four HDMI inputs with eARC, two USB-A ports, a LAN jack, Wi-Fi 6E, Bluetooth, RS-232C and IP control cover most home-theater and smart-home integrations. Multi-View and Picture-in-Picture let two sources share the screen simultaneously. Installers needing 200 x 200 VESA or additional HDMI ports will require adapters or a switch.

Highlights

  • Self-illuminating pixels deliver deep contrast and bright highlights on the 77" OLED panel
  • 120Hz refresh with Motion Xcelerator keeps fast motion smooth for sports and gaming
  • NQ4 AI Gen2 processor upscales content to 4K and optimizes picture in real time
  • Four HDMI inputs and Wi-Fi 6E connect consoles, streamers and sound systems
  • Tizen OS with Gaming Hub, voice assistant and Multi-View puts apps and settings at your fingertips

Specifications

BrandSamsung
SeriesS85HA
ModelQN77S85HAEXZA
Year2026
ColorGraphite Black
TV TypeOLED TV
Curved TVNo
Screen Size77"
Recommended Resolution4K
Maximum Resolution3840 x 2160
Aspect Ratio16:9
LED TechnologyOLED
Refresh Rate120Hz
OLED TVYes
Picture in Picture (PIP)Yes
V-ChipYes
Video ProcessorNQ4 AI Gen2 Processor
Speaker LocationBottom
Speaker Configuration2
HDMI4 In
LANEthernet In
WirelessWi-Fi / Bluetooth
USBYes
Digital Audio1 Optical Out
Front/Side InputsSide
Energy Star CompliantYes
Power Consumption308
Internet ConnectionWired / Wireless
Remote ControlYes
VESA400mm x 300mm
TV FeaturesFreeSync (AMD Adaptive Sync)
Feature4K Resolution, Motion Xcelerator 120 Hz, 4K AI Upscaling, Ultra Viewing Angle, EyeComfort Mode, OLED HDR, NQ4 AI Gen2 Processor, AI Optimized/AI Customization, Real Depth Enhancer, FreeSync Premium, Color Booster Pro, AI Auto Game Mode, Super Ultra Wide Game View & Game Bar, Anti-Reflection, Samsung Tizen OS, Built-in Voice Assistant, Multi-View, Gaming Hub, 4 x HDMI, 2 x USB-A, eARC, LAN Port, Wi-Fi 6E, Bluetooth, RS-232C Control, IP Control Support, Dolby Atmos, Object Tracking Sound Lite, Q-Symphony, Active Voice Amplifier
Dimensions (W x H x D)67.8 x 41.7 x 13
Dimensions With Stand (W x H x D)67.8 x 41.7 x 13
Dimensions Without Stand (W x H x D)67.8 x 39 x 1.3
Weight63.5
Weight With Stand63.5
Weight Without Stand61.9

Questions about this item

How do I mount the 77" OLED on a 400 x 300 VESA bracket, and what step do people often miss?

Use four M8 screws rated for the panel weight; the step most installers skip is verifying the bracket is level before tightening all screws, which prevents uneven stress on the thin OLED chassis.

What maintenance will the anti-reflection coating and screen cleaner need over time?

Wipe the anti-reflection layer only with the supplied 6.8 oz ammonia-free cleaner and the included polar fleece cloth; avoid paper towels or alcohol-based products that can degrade the coating.

At what point does the 120 Hz panel hit its thermal limit during extended gaming sessions?

The NQ4 AI Gen2 processor throttles brightness after prolonged peak-HDR loads to protect the organic pixels; you will see a gradual luminance drop rather than a hard shutdown.

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