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Samsung

Samsung QN77S90DAFXZA 77" 4K OLED Smart TV with Dolby Atmos (2024)

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Availability: Only 1 left in stock, order soon!
Fulfilled by Video & Audio Center - Same Day Shipping
Arrives Monday, Sep 7
Order within 17 hours and 38 minutes
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Size: 77-Inch


Style: TV Only


Features

  • OLED TECHNOLOGY: Discover pure blacks, bright whites and Pantone-validated color; Combined with detail and brightness, this pixel-packed screen gives you a dramatic view for everything you watch
  • OLED HDR+: Enjoy powerful brightness and rich contrast; Your TV analyzes each scene to boost brightness and improve image clarity1
  • MOTION XCELERATOR 144Hz: Play games and content with ultra-smooth motion and virtually no lag or blur; Get uninterrupted action with crisp visuals rendered at top speeds2
  • 4K AI UPSCALING: Content instantly transformed to incredibly sharp up to 4K resolution; Whether youre streaming an HD movie, watching live sports, or looking back at home videos, experience it all transformed into sharp 4K resolution3
  • DOLBY ATMOS & OBJECT TRACKING SOUND LITE: Keep your ears on the action with built-in Dolby Atmos; Youll hear 3D surround sound that follows the movement on screen using our incredible virtual top channel audio
  • NQ4 AI GEN2 PROCESSOR: The power behind the 4K picture that actively improves the quality; Utilizing 20 specialized networks the AI-powered processor drives the intuitive Smart TV Hub, Dolby Atmos sound, and expertly upscaled 4K resolution
  • SAMSUNG TIZEN OS: Stream your favorite shows, play games and work out with a trainer; Do all you enjoy with Smart TV Powered by Tizen; Discover your must-have apps and streaming services all just a few clicks away4
  • PANTONE VALIDATED: Enjoy color validated by industry leading experts at Pantone, so that images on the screen look as incredible as they do in real life; Every hue, tint and skin tone offers a more accurate and beautiful picture
  • SAMSUNG GAMING HUB: Where gaming comes together; Stream your favorite games right from your TV, no console required; Youll also get recommendations on what to play next, based on what you like5. reach out to Samsungs customer service team at 1-800-SAMSUNG for proper troubleshooting and/or Warranty claims if needed.

Description

This premium TV features a detailed image, strong contrast and clear motion. Increased depth and AI-powered 4K upscaling all work to bring clarity to your content. ¹S90D 48" and 42" have OLED HDR. ²144Hz requires compatible content connection from compatible PCs. Motion Xcelerator 144Hz is sometimes called Motion Xcelerator Turbo+. ³Utilizes AI-based formulas. ⁴Samsung Account required for network-based smart services, including streaming apps and other smart features. Separate [connected] computer, mobile or other device may be necessary to create/log in to Samsung Account (free to download and create). Without Account log in, only external device connections (e.g., via HDMI) and terrestrial/over-the-air TV (only for TVs with tuners) available. ⁵High speed internet connection, additional gaming service subscriptions and compatible controller required. Samsung Account required for network-based smart services, including streaming apps and other smart features. Separate [connected] computer, mobile or other device may be necessary to create/log in to Samsung Account (free to download and create). Without Account log in, only external device connections (e.g., via HDMI) and terrestrial/over-the-air TV (only for TVs with tuners) available.

Screen Size: 77 inches


Brand: Samsung


Display Technology: OLED


Resolution: 4K


Refresh Rate: 120 hertz


Special Feature: NQ4 AI Gen2 Processor; HDR10+; Object Tracking Sound; Active Voice Amplifier Pro, OLED HDR Pro; Motion Xcelerator 144Hz; Ultra Viewing Angle; Real Depth Enhancer See more


Included Components: Power Cable, Remote Control, User Manual


Connectivity Technology: Bluetooth, Wi-Fi


Aspect Ratio: 169


Product Dimensions: 14.1"D x 67.7"W x 41.7"H


Display Technology: OLED


Resolution: 4K


Refresh Rate: 120 hertz


Aspect Ratio: 169


Contrast Ratio: High


Maximum Display Brightness: 1000 nit


Screen Finish: Flat


HDR Format Supported: HDR10+


Motion Enhancement Technology: Motion Xcelerator 144Hz


Picture Quality Enhancement Technology: NQ4 AI Gen2 Processor


Display Language Options: English


Display Backlight Configuration: Direct LED


Display Backlight Setting: UHD Dimming


Display Backlight Technology: LED


Display Refresh Rate in Hertz: 144


Screen Size: 77 inches


Item Dimensions D x W x H: 14.1"D x 67.7"W x 41.7"H


Item Weight: 80.7 pounds


Item Weight Without Stand: 76.7 pounds


Base Width: 14.4 inches


Base Depth: 14.1 inches


Display Size Class: 77 inches


Size: 77-Inch


Audio Output Mode: Surround


Speaker Description: 2.1CH


Speaker Maximum Output Power: 40 watts


Number of Audio Channels: 2.1


Integrated Surround Sound Format: Dolby Atmos


Power Consumption: 185 watts


Line Voltage: 110 VAC 60 Hz


Annual Energy Consumption: 348 kwh


Operating System: Tizen


Control Method: Remote


Remote Control Technology: Infrared


Controller Type: Remote Control


Brand: Samsung


Built-In Media: Power Cable, Remote Control, User Manual


Model Name: OLED


Antenna Location: Home Viewing


Model Year: 2024


Model Number: QN77S90DAFXZA


Warranty Description: 1 Year Manufacturer


Model Series: S90D


Specific Uses For Product: Entertainment


Unit Count: 1 Count


Manufacturer: Samsung


Number of Items: 1


UPC: 887276821856


Mfr Part Number: QN77S90DAFXZA


Connectivity Technology: Bluetooth, Wi-Fi


Internet Applications: Alexa, Apple TV, Disney+, Google Assistant, HBO Max, Netflix, Prime Video, Web Browser, YouTube, hulu


Audio Input: HDMI


Signal Format: ATSC


Total Number of HDMI Ports: 4


Hardware Interface: Ethernet, HDMI, USB


Wireless Technology: Bluetooth, Wi-Fi


Screen Mirroring Technology: SmartShare


Bluetooth Version: 5.2


Connector Type: HDMI, USB


Total USB 2.0 Ports: 2


Total Usb Ports: 2


Content Sharing Direction: Mobile to TV, TV to Mobile


Additional Features: NQ4 AI Gen2 Processor; HDR10+; Object Tracking Sound; Active Voice Amplifier Pro, OLED HDR Pro; Motion Xcelerator 144Hz; Ultra Viewing Angle; Real Depth Enhancer


Parental Control Technology: V-Chip


Mounting Type: Wall Mount


VESA Mount Standard: 400 x 300 mm


Color: Graphite Black


Warranty Type: Limited


Compatible Devices: Smartphone


Tuner Type: ATSC/ClearQAM


Video Encoding: H.265 (HEVC), H.264


EU Spare Part Availability Duration: 7 years


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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    • Great as a monitor for an aging Mac Studio user.
Size: 42-Inch Style: TV Only
Getting older isn't so bad, but the one thing that's been bothering me is constantly having to check my vision to upgrade my eyewear and adjusting monitor screen resolutions on my Mac Studio. I've been using Mac Studio Display for years and despite its native 5K resolution, I was pretty much stuck on 2560x1440 and still wasn't comfortable. I needed more desktop space without having to use magnifying glasses. I tried using various monitors and they've all been gathering dust or been given away to friends and family who had better uses. After finding some reviewers having used this and a similar LG model as a PC monitor, I thought I'd give it a try and boy am I glad I did! I got it set at full 4K resolution and I can make out every detail and text from my normal desk working distance. I'd have to rely exclusively on my prescription reading glasses to work on my computers. I still have my Studio Display connected in case I need to work on photos and videos with color accuracy, but for the bulk of my time on my desk, this is pretty awesome. Sharpness and clarity on small texts is easily the best I've seen on any 4K monitors I've purchased (less than $500) in the past. I've watched some 4K movie trailers from Apple TV and with a bit of tweaking on the TV settings, it's a total winner for that usage. Taking a break from work to watch a movie on a 42" screen about 3 feet from away with your legs up on the desk is just perfect. Only tested for a few hours, but like I said earlier, unless you need to monitor professional video/graphics work, this works very well as a 4K computer monitor for those with vision problems. It's just really simple - it's a big screen so everything looks bigger at the same resolution WITHOUT losing the details (this is what normal/cheap TVs can't do). So you don't have to fight your vision to keep a large computer desktop space. This will NOT work if your desk depth is too shallow. I'd say the monitor needs to be at least 2 feet away from the front edge of your desk and I'm very comfortable at 3 ft from my eye to screen surface. If you have a small desk, I suggest you get a bigger desk just to use this as a monitor. It's that good. All this just so I can get a little over 2X computer desktop space without straining my vision. Totally worth it for me. ... show more
Reviewed in the United States on January 21, 2026 by JK
    • Great viewing great color great sound for back speakers..
This is one of the best TV I HAVE EVER OWNED. Highly recommended..
Reviewed in the United States on August 20, 2026 by Leon Kary
    • Buyer Beware!!!
Size: 77-Inch Style: TV Only
Review Image by Joshua G.
I waited until today to write this review of this TV for a specific reason to be shared below. This comment has NOTHING to do with the seller or the actual delivery and setup. Both of those parts of the purchase went without issue or headache. This TV was delivered December 9th and on Sunday December 29th the TV would not turn on. I first thought it might be the remote not getting enough solar charge, but that didn't seem to fix the issue after letting the remote set in light for a while. Not a reason I am giving this TV a score of 1 star, but there should be a way to see if the remote is getting enough power or is charging at all. I find it a bit ridiculous that there isn't a couple of LED lights on the remote to just let you know where you are in the charging aspect. I then did what any normal person would do and went to the Samsung website for assistance. The Samsung website was so useless that I don't even understand why they have the help section. No red light? Try a different plug>You think!? It worked yesterday, but sure. Push the home button on the remote>Okay, but I don't know if the remote is charged, but nothing changed Hit the power button on the TV to see if that fixes the issue> Okay, where is the power button? Since I have no manual and couldn't seem to find it on the website, I could only find "For newer models it is usually on the right side of the TV" > Only HDMI/USB ports on the right side of the TV. Out of options, I went to chat and got the automated chat that took me through the same steps. I get that for people who didn't read the help section. Then I requested to chat with someone, that person just wrote down what the help and automated chat stated before. I had to provide the SN of the device prior to them proceeding. When we got to the power button part, I kept saying there isn't a power button over here. Then I would ask through chat, you have my model, where is the power button? I just received the can answer of it being on the right side of the TV. I asked to escalate it to someone who wasn't going to provide me the canned answers and could actually help, I was directed to the Samsung in house support. I decided that trying chat again was not going to be useful. I then thought about returning the TV and purchasing something else, but got a good deal on this one for Black Friday. I decided to move forward with the in home support. The first day that they had available was Friday Jan 3rd, meaning 20 days of owning the TV it goes out and I have to wait 6 days with a broken TV equaling a 76% uptime on a brand NEW TV! I went back and started watching my 14 year old Panasonic Plasma TV ( I know old, but it was working) until the repairman arrived. I made sure that it was accessible per their instructions. When HE arrived to work on it, he informed me that I had to HELP him take it off the stand, place it on the floor for him to work on it. I asked him if he had a blanket for the floor and he seemed shocked that I wasn't going to provide my blanket for him to repair my device. He went and got one from the truck after he remember he had one. We put it down for him to repair the device and put it back together and back on the stand. He left in a rush that he didn't realize that he had left a part in the back of the TV. We had to do the same steps again to get HIS part out of the back of my TV! Before him leaving I asked if he had anything to clean the screen and he said no and left. This got me starting to think where else do we accept this type of behavior? Would anyone go to get an oil change and need to help the mechanic drain the oil, because he couldn't? Then when getting back in the vehicle it is covered in oil and they just skip away! What about the people at home that cannot assist the in home support to get the TV down and on the floor? Do they just cancel and say, that is on you to get it on the floor, because that isn't the instructions provided prior to them coming out to fix a BRAND NEW TV! My impression? The TV is Junk The Chat/help is worthless In Home support is slow and lacking forethought ... show more
Reviewed in the United States on January 3, 2025 by Joshua G.
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Reviewed in the United States on December 24, 2025 by Paul
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First of all the Amazon unpack crew were awesome. I'm incredibly pleased with their service. Now to the TV. WOW. OMG. AMAZING. :) For those that need more details this replaced a 10-year-old Samsung vanilla LED backlit LCD TV. My old TV had no local zones, no real HDR, and while it said I had Dolby I never got it to work. After 10 years of moderate use the LEDs are burning out leaving darker areas all over the screen. For what I paid it's been a good TV but the technology has changed a lot since I bought it. I decided to spend a little more $$ this time and try OLED and I'm glad I did. The picture is stunning and the sound is very good without any help (I will be adding 5.1). My living room is dark but even with the windows uncovered the picture is clear and bright with barely any glare. I don't like the remote because I have very large hands and it is very tiny. I have managed to use it and like that it's solar powered but seriously can't they make them a little larger? I'm not thrilled with the overly complex Samsung home screen but then I'm used to a fire stick which has a nice simple functional home screen. In all if it holds up over time I'm very pleased with both the set and the Black Friday deal on Amazon. ... show more
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Reviewed in the United States on October 6, 2025 by zacklineman
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Reviewed in the United States on April 20, 2025 by Clarice M Brough

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