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Used: Like New | Details
Sold by Amazon Resale
Condition: Used: Like New
Comment: Screen is like new with no visible scratches. Item will come in original packaging.
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AOC U2790VQ 27" 4K 3840x2160 UHD Frameless Monitor, IPS, 5ms, 1 Billion+ Colors, 108% sRGB, VESA, Black

Brand AOC
Screen Size 27 Inches
Resolution 4K UHD 2160p
Aspect Ratio 16:9
Screen Surface Description Flat

About this item

  • AOC 27” 4K UHD 3840 x 2160 UHD LED monitor.Specific uses for product - Multimedia
  • Ips panel with wide Viewing angles and produces over 1 billion colors for rich details
  • 3-Sided frameless design, ideal for seamless setup. Brightness (typical) - 350 cd/m²
  • 5ms response time for fast Responses
  • Accurate colors with over 99% sRGB & 90% NTSC color gamut coverage
  • DisplayPort 1. 2, HDMI 2. 0, HDMI 1. 4 Connectivity (HDMI, & DisplayPort cables included)
  • 20, 000, 000: 1 Dynamic Contrast Ratio for more details
  • AOC low Blue mode protects your eyes from harmful Blue light spectrum
  • Wall mountable with quick-remove stand (VESA compatible)

Customer reviews

4.3 out of 5 stars
2,989 global ratings

Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.

Learn more how customers reviews work on Amazon

Customers say

Customers like the picture quality, value for money, and monitor quality of the product. They mention it's crisp, the graphics are good, and it performs well for the price. Some also appreciate the curved design. However, some customers have mixed opinions on the quality, functionality, color accuracy, and brightness.

AI-generated from the text of customer reviews

249 customers mention "Picture quality" 205 positive 44 negative

Customers like the picture quality of the monitor. They mention it's crisp, the colors look amazing, and they are pleased with the clarity and color of the screen. They also say the graphics are good and the color range is as expected. Customers also mention the 1440p screen is high resolution, a solid 4K setup, and it'll reduce reflections and preserve clarity.

"...Turns out the picture quality is great . If there are any pixels burnt out, I couldn’t tell you as they are too small for me to see...." Read more

"...Gridlines and numbers in Excel and fonts in Word are amazingly fine and crisp. It really improves using both apps...." Read more

"...But, we'll see. I've had it 2 days and so far I'm very happy. Everything is crisp and the colors look amazing. I'm still amazed at the detail." Read more

"...gives me 2 pages side-by-side, larger than the original and with superb resolution ...." Read more

160 customers mention "Value for money" 152 positive 8 negative

Customers appreciate the value for money of the monitor. They say it's a great budget 4K monitor with decent resolution and picture for the price.

"...Based on my first 2 days of ownership, I'd say this is a great monitor at a good price ...." Read more

"...It has decent resolution/picture for the price and the USB-C connectivity for video works great...." Read more

"...I am extremely satisfied with these monitors, great value for such an amazing display...." Read more

"It's a great quality monitor for the price . The stand is pretty cheap and wobbles a bit — I'm replacing it with a monitor arm I can mount...." Read more

154 customers mention "Monitor quality" 128 positive 26 negative

Customers like the quality of the monitor. They mention it's excellent for text, web browsing, and security systems. Some say the setup was simple, and it delivers outstanding performance and visuals.

"...I’ve watched 4k videos/movies on this monitor and it’s flawless , with vibrant colors...." Read more

"...TLDRIt's a good monitor for work as the resolution allows for windows/programs to be visible at one time and the IPS provides good viewing..." Read more

"...in this price range and was interested in this monitor because it was UHD , has height adjustment (many in this price range surprisingly didn't) and..." Read more

"...If you're looking for a high-quality display that delivers outstanding performance and visuals , look no further...." Read more

55 customers mention "Curved design" 55 positive 0 negative

Customers like the curved design of the monitor. They mention the quality is pretty good, the design is beautiful, and the screen is very useful for coding. They also appreciate the edges and corners.

" Nice big curved monitor , no dead pixels, plenty bright and sharp. I used it every day and it rocks." Read more

"...I was concerned that I wouldn't like the curved screen, but the curve is minor and found that I do prefer it to a flat screen...." Read more

"...-Outstanding viewing angles- Minimal bezel looks great in multi monitor setup..." Read more

"First, the good: The actual LED panel looks great ...." Read more

151 customers mention "Quality" 66 positive 85 negative

Customers have mixed opinions about the quality of the monitor. Some mention it's great for what they use it for, while others say the panel quality is slightly worse, the provided stand is flimsy, and the bezel feels like cheap plastic.

"...The menus look extremely simplistic. The bezel feels like cheap plastic ... it's not 'bad' it's just not "well made" like the Dell it replaced...." Read more

"...The build quality is solid , and the thin bezels give it a modern and sleek look...." Read more

"...no speakers- dummy thicc bezels - non adjustable stand..." Read more

"This is perfect to use with my MacMini. The quality is great for what I use it for...." Read more

107 customers mention "Functionality" 67 positive 40 negative

Customers have mixed opinions about the functionality of the monitor. Some mention it works well with their MacBook Pro M1 2022, while others say it's not working as intended, the speakers don't work, and standard VESA mount devices won't fit.

"...It really improves using both apps ...." Read more

"... This product is simply bad . Don't buy it.So I bought this monitor in Q1 2022 and by Q1 2024, it developed a nasty glitch...." Read more

"...it from a Mac laptop, turn pages with a Bluetooth foot pedal and it works perfectly ." Read more

"...Tested on Xbox One and Series S and it worked perfectly ...." Read more

106 customers mention "Color accuracy" 73 positive 33 negative

Customers have mixed opinions about the monitor's color accuracy. Some mention the colors seem pretty accurate, while others say the light gray colors on the monitor are terrible and dark colors are a bit washed out.

"...watched 4k videos/movies on this monitor and it’s flawless, with vibrant colors ...." Read more

"My AOC 27" 4K monitors are great. Color quality and brightness are meet my needs for general computer use..." Read more

"...The screen is not AS consistent in color at different angles as I would like, but it is minimal and is only a slight nuisance when doing my..." Read more

"...The colors seem pretty accurate .There is definitely more detail than the Dell Ultrasharp 24 it replaced...." Read more

73 customers mention "Brightness" 48 positive 25 negative

Customers have mixed opinions about the brightness of the monitor. Some mention it's a decent product with pretty good brightness, while others say there is a minor loss of brightness at the far left and right edges of the screen.

"Nice big curved monitor, no dead pixels, plenty bright and sharp. I used it every day and it rocks." Read more

"...The only downside for that is some inconsistency in the brightness uniformity ...." Read more

"... Super-bright as received , just as expected.What's to like:..." Read more

"...It's matte and 3H hardness so its pretty good glarewise . I have just powered it on for a bout a day but I will review in a months time for daily use...." Read more

I have a 2 monitor set up that I use and switch between my personal and work computers. My other monitor has a KVM, so that makes it super convenient. Anyway, about this monitor.

I was skeptical of this monitor at first because it is a VA panel. Turns out the picture quality is great. If there are any pixels burnt out, I couldn’t tell you as they are too small for me to see. This is my first curved monitor, and I have to say, I think I personally prefer curved monitors now. Especially whenever monitors start going above 27”. It just makes everything easier to see, for me. I’ve watched 4k videos/movies on this monitor and it’s flawless, with vibrant colors. I didn’t need anything super fancy or expensive for my secondary monitor, just something that works. 60Hz suits my needs.

I did a lot of research between the VA panels and the IPS panels. The IPS monitors cost a lot more money, and for my primary use, which is office productivity, this is fine. If your primary use case is gaming or something with high accuracy color reproduction, then you might want to look at other monitors. I’ve played WoW on this monitor, and it worked fine, but I prefer my other monitor, which was made for gaming and higher FPS.

After a year of owning this one, I am very pleased with it.

Update: I have an M1 Mac Mini and running dark mode causes this screen to flicker, quite a lot. I have to run it in light mode, which I'm not a fan of, but this is not a problem of this monitor. The M1 Mac Mini, for some reason, doesn't support dark mode when running through HDMI. I haven't tried running this through USBC, so that may solve the issue, as I stated in my earlier review, this is my secondary monitor. I just wanted to provide that update in case you happen to have an M1 Mac, I can't speak to models other than the Mini, that you may experience this issue and it is your computer, not the monitor. My rating does not change as this monitor continues to be a great purchase.
6 people found this helpful
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5.0 out of 5 stars I purchased this for use as an external monitor with my Macbook Air 2022 M2 for general business use - email, web, spreadsheets and running business applications. I haven't used it for gaming. I shopped around in this price range and was interested in this monitor because it was UHD, has height adjustment (many in this price range surprisingly didn't) and had video input connectivity via USB-C to USB-C. As a bonus, it has some docking station features with downstream USB ports (although not USB-C). The USB-C connectivity may not work for older computers so you should do your research.

I’ve only had this monitor for about a week but so far I am very happy (I will update if I run into problems). It has decent resolution/picture for the price and the USB-C connectivity for video works great. Since the single USB cable for video simultaneously charges my MacBook, I don’t need a separate power cable attached to the MacBook. This means I can unplug one cable and take my computer with me. When I return, I can plug in one cable and I’m ready to work at my desk. I haven’t used the additional downstream USB ports yet but it is nice to know they are there.

There is an annoying issue with a 15-30 second delay for the monitor to pick up the video signal when I awaken the MacBook from sleep. When I return from a break I often have a blank screen and then have to move the mouse or press a key and wait for the video to return. I have been experimenting with screen saver and sleep times on my Mac to find the best solution. I have not yet been able to determine a way to speed up the monitor reconnect time after sleep.

The product documentation included was mostly safety warnings in multiple languages with no user manual. Fortunately, I had downloaded the user manual from the manufacturers web site while shopping for this unit. That manual is sparse with grammatical errors and doesn’t provide much explanation of settings other than how to change them (about what I expected). Most are self-explanatory but I had to look up a few online.

This unit arrived without any damage and worked pretty much out of the box when I plugged in the USB-C cable. Overall I am very pleased.
15 people found this helpful
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Was a little concerned at first about an open box purchase, but the product inside was perfect and has no visible issues.
Picture is amazing and so far so good.
Report Pensé mucho en que monitor comprar y este fue exactamente lo que requería ya que mi principal objetivo es que pudiera tener el outlook abierto y tener el panel de lectura de corroe completo para leer cómodamente cada correo y este monitor al tener resolución QHD o 2k es ideal
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John
5.0 out of 5 stars Don't listen to that two start review. Pop the small back panel off where the stand meets the monitor. Remove 4 screws and the stand comes right off.

Works with a VESA mount, uses 100mm size spacing.

Picture looks great. No problems with this product.
Excellent picture quality. No dead pixels. I use for photo editing and this monitor produce good color. I was deciding between 27" IPS or 32" VA monitors. I am very happy with the monitor. No color shifting with IPS.
Gilbert Gilbert
5.0 out of 5 stars If you're reading this and you have a full frame camera, just buy it. Your pictures are way more thank 4k and there's no point getting a TN or VA panel. For this price, it is beyond worth it for you.
I've only had this for two weeks so I can't say too much about longevity but the quality of this monitor is great. The thin bezels are nice and slick, haven't had any dead pixels, the brightness is uncomfortably good so I tuned it down a bit, the menu is a bit wonky but it's AOC so I expected it, and the colours are just astounding.
Again, if you're a photographer looking for a monitor and don't want to slap the money down on a BenQ, look no further. Just buy it already.
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