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77-inch Graphite Black OLED smart TV with slim panel and thin bezels

SAMSUNG

SAMSUNG QN77S90FAFXZA 77" 4K OLED Smart TV 120Hz Dolby Atmos 2 Year Plan 2025

SKU CH-JSMS-C4DYQ

A 77-inch OLED smart TV with 4K resolution, 120Hz refresh rate, Dolby Atmos sound and a two-year protection plan

  • Year2025
  • ColorGraphite Black
  • TV TypeOLED TV
  • Smart TVYes
  • Screen Size77"
  • Recommended Resolution4K

Screen Size 77"

  • 77-inch OLED screen delivers perfect blacks and vivid contrast
  • NQ4 AI Gen3 Processor with 128 neural networks upscales content to sharp 4K
  • 120Hz refresh rate and Motion Xcelerator 144Hz ensure smooth gaming and sports action
  • Dolby Atmos with 2.1 speaker configuration and OTS Lite creates immersive 360-degree audio
  • Tizen Smart TV platform with Wi-Fi 5, Bluetooth and four HDMI ports connects all your devices

77-inch OLED Smart TV for home entertainment

The Samsung S90FA series delivers a 77-inch OLED panel with 4K resolution and a 120 Hz native refresh rate. AI-driven upscaling uses 128 neural networks to sharpen lower-resolution sources. Dolby Atmos and a 2.1 speaker configuration provide immersive sound for films, sports and streaming.

Screen cleaner and extended coverage included

A 6.8 oz 200 ml spray cleaner is bundled for safe maintenance of the OLED surface. An Amber protection plan adds one year to the standard manufacturer warranty, covering the set for residential use only. Both accessories arrive in the same carton as the television.

Graphite Black chassis

The graphite black cabinet houses four HDMI inputs, Ethernet, Wi-Fi 5 and Bluetooth for flexible connectivity. VESA mounting points allow wall installation, while the included SolarCell remote charges via indoor light. The 120 Hz panel supports motion-enhanced gaming up to 144 Hz through compatible sources.

Highlights

  • 77-inch OLED screen delivers perfect blacks and vivid contrast
  • NQ4 AI Gen3 Processor with 128 neural networks upscales content to sharp 4K
  • 120Hz refresh rate and Motion Xcelerator 144Hz ensure smooth gaming and sports action
  • Dolby Atmos with 2.1 speaker configuration and OTS Lite creates immersive 360-degree audio
  • Tizen Smart TV platform with Wi-Fi 5, Bluetooth and four HDMI ports connects all your devices

Specifications

BrandSamsung
SeriesS90FA
ModelQN77S90FAFXZA
Year2025
ColorGraphite Black
TV TypeOLED TV
Smart TVYes
Screen Size77"
Recommended Resolution4K
Maximum Resolution3840 x 2160
Aspect Ratio16:9
Refresh Rate120Hz
OLED TVYes
3DTVNo
V-ChipYes
Speaker Configuration2.1
Simulated SurroundYes
HDMI4 In
LANEthernet In
WirelessWi-Fi / Bluetooth
USBYes
Digital Audio1 Optical Out
Other ConnectorsHDMI, USB, LAN, Optical, RF, RS-232C
Energy Star CompliantYes
Internet ConnectionWired / Wireless
Remote ControlYes
VESA400mm x 300mm
FeatureNQ4 AI Gen3 Processor, AI Motion Enhancer Pro, 120Hz (Up to 144Hz) Refresh Rate, OLED HDR+, Auto HDR Remastering, Ultra Viewing Angle, Real Depth Enhancer, Motion Xcelerator 144Hz, Film Mode, 4K AI Upscaling Pro, Color Booster Pro, Dolby Atmos, OTS Lite, Q-Symphony Pro, Bluetooth Audio, 360 Audio, Tizen Smart TV, Samsung Health, VESA 400mm x 300mm, Wi-Fi 5, HDMI 4, 2 x USB-A, Eco Sensor, Auto Power Saving/Off, BT SolarCell Remote
Dimensions With Stand (W x H x D)67.7 X 41.7 X 14.1
Dimensions Without Stand (W x H x D)67.7 X 38.9 X 1.8
Weight With Stand80.7
Weight Without Stand76.7

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Questions about this item

Will the 2.1 speaker setup or the 6.8oz screen cleaner need periodic replacement?

The 2.1 speakers are built into the panel and do not require scheduled replacement; the 6.8oz cleaner is a one-time supply you replenish only when empty.

What limit appears first during extended 120Hz or 144Hz gaming sessions?

The panel runs at a fixed 120Hz native refresh rate with Motion Xcelerator support up to 144Hz, so the hard ceiling is the 120Hz hardware limit.

How much heat or fan noise does the 128-network NQ4 AI Gen3 Processor generate after hours of use?

The TV uses passive cooling with no internal fan, so operation stays silent; warmth stays within normal OLED panel levels during all-day viewing.

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