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Samsung UN55HU6840 55-Inch 4K Ultra HD 60Hz Smart LED TV (2014 Model)

3.7 3.7 out of 5 stars 185 ratings

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About this item

  • Refresh Rate: 60Hz (Native); Clear Motion Rate 240 (Effective)
  • Backlight: LED (Edge-Lit)
  • Smart Functionality: Yes - Motion Control (camera accessory sold separately)
  • Dimensions (W x H x D): TV without stand: 48.8'' x 28.3'' x 2.0'', TV with stand: 48.8" x 30.0'' x 10.8''
  • Inputs: 4 HDMI, 3 USB, 1 Component In, 1 Composite AV In
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Important information

Visible screen diagonal

55" / 140 cm

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Product Description

Experience real world resolution with the Samsung Smart HU6840 Ultra High Definition TV. The HU6840 includes exclusive technology that delivers incredibly lifelike UHD 4K picture quality. Watch any movie, sport, disc or streaming app at 4 times the resolution of Full HD. The HU6840 features UHD Dimming, which creates outstanding contrast levels and picture detail with deep, rich color. Explore the future of picture quality with the new HU6840.

What's in the box

  • Stand
  • TV
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    Product information

    Technical Details

    Additional Information

    Warranty & Support

    Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
    Product Warranty: For warranty information about this product, please click here. [PDF ]

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    Samsung UN55HU6840 55-Inch 4K Ultra HD 60Hz Smart LED TV (2014 Model)


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    Customer reviews

    3.7 out of 5 stars
    3.7 out of 5
    185 global ratings

    Customers say

    Customers like the quality, appearance and value of the television. They mention that its the best TV they've ever owned, the sound is good to very good for a TV and that its a great offering from Samsung. They also like the ease of use. That said, some complain about the brightness and blue spots. Opinions are mixed on color and sound quality.

    AI-generated from the text of customer reviews

    59 customers mention50 positive9 negative

    Customers like the appearance of the television. For example they say the picture quality looks tons better, the vivid colors and contrast are impressive, and the video is crystal clear.

    "...interface is smooth, fast and responsive, and for some shows, even streams in 4k, which makes a significant difference...." Read more

    "Picture quality is great, software performs well, but beware - I returned due to two dead pixels and a very noticeable edge-light imbalance in upper..." Read more

    "This is an incredible value! Upscaled 1080P content is amazing, the built in apps are super fast and responsive...." Read more

    "...It's amazing! No contest in picture quality, it's night and day truly. It's honestly like having a hazy piece of glass removed from the screen...." Read more

    56 customers mention54 positive2 negative

    Customers are satisfied with the quality of the television. They mention that it's the best TV they've ever owned, with good to very good sound quality. They are also impressed with the over-the-air reception, saying that it works just fine. Some customers have reported issues with the firmware, but the hardware is good.

    "...for controlling connected devices through CEC, which works well as expected. That said, it does have a weakness...." Read more

    "Picture quality is great, software performs well, but beware - I returned due to two dead pixels and a very noticeable edge-light imbalance in upper..." Read more

    "...Anyone know if there is a way to fix this?The menus are awesome. Watched The Hobbit on BluRay and have never seen a better picture...." Read more

    "...So I brought home a Samsung 8550 series 55 inch LED. It's amazing! No contest in picture quality, it's night and day truly...." Read more

    16 customers mention16 positive0 negative

    Customers are happy with the value of the television. They mention that it is a great offering from Samsung and that they are happy about the price.

    "...Final Thoughts:This is a great offering from Samsung...." Read more

    "...This TV is a great value for the price paid ($870 price matched from a Black Friday deal)...." Read more

    "This is an incredible value! Upscaled 1080P content is amazing, the built in apps are super fast and responsive...." Read more

    "...If you are finally buying a good, nice-looking television at a decent price, this is not a bad television long as you do not have the defective model..." Read more

    13 customers mention13 positive0 negative

    Customers find the television easy to use. They mention that the smart settings are very easy to set up. They also appreciate the easy connection to their Wi-Fi network, and the ability to browse through Tune-In, Youtube, and Amazon Prime. The software is simple and advanced, and works well. Customers also appreciate that the TV recognizes them immediately and gives access to their content.

    "...USB drives plug into the back easily and the TV recognizes them immediately and gives access to their directory...." Read more

    "...It's very easy to do once I knew that was the Problem." Read more

    "...The Wi-Fi setup is fairly ease as are all the menus but we get best performance on ethernet...." Read more

    "...Packaging was good. Set up was good. Product performed as expected...." Read more

    21 customers mention9 positive12 negative

    Customers are mixed about the color of the television. Some mention that the color on it is also amazing, while others say that the blacks are unreal and inky. The field isn't a uniform color, and the brightness setting is quite gray in color. The default setting mode makes the picture too dark, and there are issues with flash lighting.

    "...but beware - I returned due to two dead pixels and a very noticeable edge-light imbalance in upper right corner that constantly detracted from the..." Read more

    "...Inky blacks, sharp picture, accurate color. I have not seen a motion issue at all since I have had it. Bright and razor sharp...." Read more

    "...The first issue is flash lighting, or uneven black levels...." Read more

    "...Cable TV looks awesome, Bluray is awesome and blacks are unreal...." Read more

    11 customers mention4 positive7 negative

    Customers are mixed about the sound quality of the television. For example, some mention that the sound is good, but not very loud, while others say that it's poor and needs a surround sound or soundbar. Some customers also mention that, while using Netflix, the sound can be slightly delayed.

    "...The sound is good, but not very loud. I ended up getting a Samsung Soundbar to go with it...." Read more

    "...At this price it is absolutely AWESOME! The picture, sound, connections and features are great!..." Read more

    "...Twice now the lips didn't match up with the audio, but I called tech support & she helped me update the software, so now I can tell when it's time..." Read more

    "...Otherwise. excellent picture and sound for watching sports, Ellen, and Dirty Jobs reruns." Read more

    17 customers mention3 positive14 negative

    Customers are dissatisfied with the brightness of the television. They mention that there is light in the corners and on the sides of the TV when a solid dark. Some customers also report that the smart hub app crash and the brightness flicker. The contrast ratio is terrible.

    "...There is light in the corners and on the sides of the TV when a solid dark color dominates the screen...." Read more

    "...Defects:My TV thankfully only had minimal flash lighting which seemed like no big deal compared to the horrible pictures others have posted..." Read more

    "...I'm not seeing it. Literally. The contrast ratio is terrible. The bars above and below 2.35:1 material look dark grey, not black...." Read more

    "...4. Brightness Flicker: - I am observing a slight bit of Brightness Flicker, very annoying.5...." Read more

    9 customers mention0 positive9 negative

    Customers are not happy with the blue spots on the television. They mention that there are several blue spots and streaks visible when watching anything. There are also green patches on all corners of the screen that is more evident when the screen is black. Customers also mention that the product is very buggy and has a constant issue with clouding.

    "...My TV has minor cloudiness on the right side of the screen, like others, this seems to be dissipating as I burn in the TV...." Read more

    "...Very white on bottom edge and green on the left...." Read more

    "...lot more vivid and crisp to me while the KS02 seems a bit grey and hazy at times...." Read more

    "...we noticed several blue spots on the screen...." Read more

    cloudy screen and buggy
    3 Stars
    cloudy screen and buggy
    awesome TV- when it worked. It was very buggy and had a constant issue with clouding (clouds of white light on edges and corners of screen). There was a long while in which we couldn't access the Smart Hub due to a needed update, but when we tried to update there were 'no updates available'. We called Samsung support on 4 different occasions. Each time they would ask us to try adjusting settings, reset, update and back in 3 wks if the problem isn't resolved. :/ that's 12 weeks of frustrations! I'm done with it. returning.
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