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LED TVs > 
Seiki > 
Item#: N82E16889522025

Seiki 39" Class 4K Ultra HD 120Hz LED TV - SE39UY04

  • 4K Ultra-High Definition
  • 3840x2160 Maximum Resolution
  • 120Hz Panel Refresh Rate
  • Built-In 4K Upscaler
  • 3 HDMI Inputs
  • Headphone Jack Out(3.5mm)
  • Coaxial Digital Out
  • USB Photo/Music Playback
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Seiki SE50UY04




Screen Size
Recommended Resolution
Maximum Resolution
3840 x 2160
Aspect Ratio
Viewing Angle
176°(H) / 176°(V)
Display Color
1.07 Billion
300- 350 cd/m2
Contrast Ratio
Response Time
Refresh Rate




Output Power
6W + 6W


3 In
2 (jpeg and mp3 only)
Digital Audio
1 Coaxial Out
1 Out
Composite A/V
1 In
Component Video
1 In
Other Connectors
Analog&Digital TV Tuner x 1
VGA Input (15 pin D-Sub) x 1
Stereo Mini Phono Jack Input (3.5mm) x 1(VGA Audio
RCA Input x 1
RCA Output x 1


Power Supply
AC100 - 240 V 50 / 60 Hz
Power Consumption
Power ON consumption: < 95W

Standby consumption: <0.5W


Remote Control
200mm x 200mm


Built in 3D PAL/NTSC Comb Filter

Built in 3D Video Noise Reduction

Built in BTSC/SAP

Over-The-Air ATSC/NTSC RF Input Support

Digital/Analog Channel auto tuning

Support V-CHIP/CCD/Favorite Channel Edition

Component & HDMI supports: 480I,576I,480P,576P,720P,1080I ,1080P,4k2k 30HZ(Only HDMI)

USB Support File Format: MP3,JPEG

OSD Language: English/French/Spanish

Dimensions & Weight

Dimensions With Stand
35.16" x 23.33" x 7.87"
Dimensions Without Stand
35.16" x 21.21" x 3.48"
Weight With Stand
30.58 Lbs
Weight Without Stand
28.60 Lbs

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Seiki SE50UY04

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  • Zach D.
  • 4/16/2014 8:58:21 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggshappy

Pros: this tv has an amazing picture. and I love the features, like the head phone jack. I also appreciate the fact that it still has RCA plugs. some of the old videogame consoles won't plug in to new TV's because they don't have the RCA plugs.

Cons: the Cons are that it's slightly hard to put together and I had a hard time taking it out of the box. it's also a bit heavy. the remote control is a bit annoying because it works on line of sight.

Other Thoughts: Over all I like this Tv. I personally only had two minor problems. one was that the sound was off. everything sounded funny. the other problem I had was an odd buzzing sound.

Did you find this review helpful? Yes No

  • Mr. H.
  • 4/1/2014 7:58:33 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsbest bang for your buck

Pros: playing pc games in 4K
price is definately right

Cons: sound

Other Thoughts: cant go wrong at 499

Did you find this review helpful? Yes No

  • Brian M.
  • 3/31/2014 5:42:05 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

2 out of 5 eggsWorked for a little

Pros: Worked great when it was working

Cons: The tv stopped working and gave a black screen after 10 minutes of use.

Other Thoughts: Seemed like a steal of a deal but turned out to be a defective item.

Did you find this review helpful? Yes No

  • Danny W.
  • 3/25/2014 7:29:30 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsFor work and play

Pros: Incredible price, amazing resolution, great contrast, great viewing angles, and crisp text (at least to my aging eyes).

Cons: Low refresh rate at 4k.

Other Thoughts: Let me start by saying that the refresh rate is not a big deal for me. I only use the 4k resolution for work, reading, youtube, etc. For gaming, I run it at 1080p @ 60Hz and vsync. IMHO, it looks incredible.

I've heard some talk about how bright the display is, and it did take me a while to get the adjustments right. What helped the most was the advanced menu (hit Menu, then 0000). You can go to the "Other" section and turn down the backlight (I set mine to 60), which makes it MUCH better.

I really can't say enough about this monitor. I find it much better than multiple 1080p displays for my uses.

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  • Glenn C.
  • 3/9/2014 8:54:06 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsHDMI ports dying

Pros: Fairly decent picture. No dead pixels.

Cons: At max resolution hooked to my NVidia GTX 750 the ports all failed. HDMI port 1 would blink continually from the moment I plugged in to it. HDMI port 2 worked for a few hours before starting to blink out. HDMI port 3 worked fine for a week before it started to cut out. So now I'm stuck at 1080p, which works. I'm returning it. Can't say for certain its not my new video card, but I suspect the TV. I have no other 4k TV to test against.

Other Thoughts: Had to set zoom mode to "just scan" on the TV before it would not clip my windows.

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  • Gary A.
  • 3/8/2014 4:11:47 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGood monitior / ok tv

Pros: Bought 2 units to replace a 3 monitor gaming rig with 3 Ben Q 24" 120hx monitors driven from an Nvidia 690 GPU.

The 690 has 3 dvi outs and one mini DP out. The TV has only HDMI in and VGA. Could NOT get better than 1080P 60hz. All other attempts gave "not support" on monitor.

Replaced 690 card with new EVGA 780ti card. First monitor connected hdmi to hdmi works GREAT at 4k 30hz. Also works great at 1080P 120hz. Second unit still has problems as before with 690 card.

I found and ordered a dongle from Newegg. It is listed as DP 1.2 to HDMI 1.4. This is the only one listed and it is coming from overseas thru NE at a $2 shipping cost but it will take 10-15 days to get to me. Hopefully this will give me the same for both units.
If the above does not work then I will SLI two of the cards and use one HDMI output from each card.

Cons: TV has very basic features and setting. going into the advanced mode by hitting 0000 from the settings menu gives you more options.

You CAN set the TV to turn on automatically in the advanced section of settings.

no 4K at 60hz, only 30.

speakers are very poor but I use my sound system anyway by way of headphone out on TV into sound card.

As a TV (both of these sit on my wall on arm mounts) I have direct TV into HDMI 2 on both TVs as well as computer input. Often I watch Sat TV on one and work on the second.

Picture is great on Blu-ray input signals. However, up-conversion to 4K leaves a lot to be desired on lesser quality input below 1080P.

Other Thoughts: Awesome as a 4K monitor. I can have 4 programs open in a quad split screen and each is 1080P.

I watched some You Tube $K and it is also amazing.

Now I have to relocate my three BenQ 120 hertz monitors and the Nvidia 690 card to my secondary computer system so I cn still game in 3D once in a while.

1 out of 1 people found this review helpful. Did you? Yes No

  • Tom L.
  • 3/5/2014 5:29:04 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsPretty freekin awesome

Pros: Running 3 of these (separately), one off a 2013 macbook pro retina (15") via HDMI at 4k resolution (I didnt think the HDMI would suffice but I was wrong), image quality is AWESOME, and the price (I paid $500 on sale) was unbelievable. The other two are running off of GTX 760's on hackintosh systems, works flawlessly.

Cons: One display came without any HDMI cable, no screws to attach the stand and no instructions or remotes. I'm sure this was not a normal scenario, but still...not good to not have a decent quality control team ensuring things like this doesn't happen. Imagine if this order was sent to Hawaii, the poor guy would have to ship it back, wait another few weeks in order to get another. I'd be livid.

Other Thoughts: Overall it's awesome. I have a couple graphic designers working with them, the color is superb and our video editor loves that he can edit RAW RED Epic footage in it's native 4k resolution.

1 out of 1 people found this review helpful. Did you? Yes No

  • Aleksey S.
  • 3/5/2014 2:09:39 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsVery Satisfied

Pros: This TV is a great monitor. After setting a custom resolution, updating firmware, and reducing sharpness to 0 the TV runs great at 1920x1080@120HZ. and 4k@30hz over HDMI. Everything looks great.

Cons: One star deduction because the TV will not automatically start installing new firmware through USB, which is what the manufacturers side has in the instructions. You have to go through the service menu and that voids the warranty. Also, because you can't sit that close to it. you need to sit a good 8 feet back to fully enjoy how crisp the image is.

Other Thoughts: With that said, 4K@30hz isn't good for much except watching 4k content. You wouldn't really be able to play anything reliably. I've ran a few games, and they look great, but there is too much input delay. There is talk of some hacks that would allow you to run 4K@60hz through two HDMI outs. But, nothing solid yet. I'm happy running this TV at 1080p@120hz. I hope it lasts.

2 out of 2 people found this review helpful. Did you? Yes No

  • Thomas C.
  • 2/23/2014 8:49:49 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks as Specified

Pros: After much research, I settled on buying this 4K "TV" as a PC monitor. At its price, I have no regrets. Its resolution fantastic for use with really large spreadsheets, software development, document reading, web browsing, etc.

Cons: None

Other Thoughts: Colors are great, but not accurate. Speakers working via the HDMI cable, but is somewhat muffled sounding. I don't even notice the slow 30 fps rate other complain about (don't use for fast-frame games). Standard Windows ClearType fonts do not look good at this dpi density; zoom a bit and all is good. None of these take-off an egg. They said they designed it to be cheap. You will need to spend $2500 up for the Sharp 4K technology based units to get perfection.

2 out of 2 people found this review helpful. Did you? Yes No

  • David W.
  • 2/23/2014 3:41:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsWorth every penny! a must buy!

Pros: Cost, Cost, Cost! Very good value. 4k desktop looks awesome! But don't just think you can run this at 4K in games. You will need a very good Video card with 3 to 4 gig mem to even come close. Using Crossfire - SLI you can game at 4K, but you might see a little framing due to 30 HZ. The REAL win is 2560 X 1440 at 60 HZ, it is awesome, and most V cards have no problems with it. You might need to add the 2560 X 1440 info to your V card resolution list.

Cons: Having to hit the on button on remote. No auto on feature.

Other Thoughts: USB 2.0 Needed!

4 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16889522025
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