weird line going through the middle of the screen on arrival then 2 weeks later a dead pixel

No dead pixels, tiny bezels, great colors, Gsync and 144hz

If you can get over the fact that there might be one or two dead pixels on the panel- with the high resolution if you're sitting far enough

No dead pixels on arrival or any other color

Dead pixels

It's significantly worse than the S2417DG which I tried to replace, being that the previous monitor came with dead and stuck pixels twice

Along with that there are a few dead pixels to which don’t really bother me

: The one dead pixel spread around where the first one was

Pricing aside this is the monitor to have to push the graphics of any modern game to the limits.::EDIT:: The replacement arrived and has no dead or stuck pixels

Good gaming monitor, but arrived with a dead pixel which is disheartening.

Like many others I've experienced issues with dead pixels

Gone through two of these and both of them have a dead pixel

Not a single dead pixel on either monitor

Received the monitor with no dead or stuck pixels.

The price is also absolutely asinine considering it's ~800 or so dollars for a panel with pretty much guaranteed dead pixels

Remember to always use a tool to check your monitor for dead pixels.

No dead pixels

So far, so good - no dead pixels or anything.

I found I had one dead pixel near the side (to be more exact, 2 dead sub-pixels - red and green ones in one pixel) upon examination, but turned out it is absolutely invisible in anything but uniform color test pictures I used to find them

No dead pixels and looks great

Screen has a dead pixel near the middle

However, over the two months I've owned it, it's gained a total of five dead pixels, the first coming after a little over a week of use.

No dead pixels or significant light bleed on the one I was sent.-Perfect size for 4K-Low latencyCons:-$$$$$-Probably a touch too big for first person shooters, although still perfect for almost any other genre.-Only 60Hz

I guess I won the panel lottery because there are no dead pixels, no weird lines, and I didn't find any need to calibrate the colors

Was excited to get this in the mail and open it and set it up only to notice a big dead pixel/defect in the screen and bad backlight bleed (see photo)

No dead pixels and the IPS screen was absolutely beautiful

Return of stuck pixels / enter dead pixels - After having this for a few weeks, the stuck pixels returned suddenly in a wave, there were over a dozen or more, and this time I also found some dead pixels that could not be removed

: I found a dead pixel I missed

* (only one though) dead pixel

I'll amend my review in the months to come as necessary (Edit: two dead pixels and not too bright backlight bleed, especially from the lower right

pros: gsync is amazing, 180hz is awesome for any first person shooter, 1mscon: sometimes a green pixel appears when gsync is on, it only bothers me when background is blacka good monitor, loving it

The first one was defective due to multiple dead pixels

Other than that, no complaints or dead pixels or anything

Picture is great, i have no dead pixels

So, my conclusion is this: dead pixels are not a big problem with 4K monitors, at least the black ones (not sure about bright ones) and while they are alone.6

I had a bright dead pixel appear after barely 2 months of ownership

It's a friggin red pixel!

Overall, I am extremely satisfied with my purchase, and kudos to Amazon for prime and return policy should you need to replace due to dead pixels.

No dead pixels

After about 3 weeks of use a dead pixel appeared

At first impression, a gorgeous monitor!Mine had no dead pixels, almost no

And there's nothing physically wrong with it, like no dead / bright pixels, or any of the crazy ditching others have complained about

G sync works well and it has a great picture with no dark pixels.

The only major problem that I have had with the monitor is a single dead pixel that was present at first startup

However, dead pixels on delivery simply isn't acceptable for a >$1K

The best G-sync monitor out their just buy it, came with no dead pixels.

The sub-dead pixels I wouldn't have *

When Acer accepts to ship out that amount of faulty screens with dead pixels and light bleed, that means one thing, We are Acer and we cannot throw all of these screens in trash, we loose a lot of money, so instead they said, oh lets sell our faulty stuff, some people will get it and get angry, if we get returns we refurbish and sell it again, if totally damaged then that is our loss, but we dont loose all screens' money

Then it got a horizontal line of dead pixels, then another one... going to RMA, can't believe I spent $400 on a monitor that died in 3 months.

I've heard horror stories of this and the Asus monitor for bleeding and dead pixels.

Not only did it have a dirty screen effect, but there was a dead pixel in the left center of the screen

No dead pixels, minimal backlight bleed, good monitor.

I observe no dead-pixels on my unit and the matte finish makes for a lovely, glare-free experience

, I see just the uniform color in the place where dead pixel really is

works perfectly, no dead pixels

Physically I was expecting something wrong with the unit...a cracked display, dead pixels, or worse someone intercepting it and never having it show up at my door

works perfectly, no dead pixels

I don't see the dead pixel anymore

The first one I received had a dead pixel

My panel arrived with no dead pixels but it developed a rare, intermittent flickering issue that I didn't narrow down to the monitor within the Amazon return window

No dead pixels, minimal backlight bleed, good monitor.

For a $500 monitor, I'm a bit disappointed in the quality because the dead pixel is in a very noticeable and annoying location.

First monitor came with a bunch of dead pixels but Amazon replaced it quickly and the second one is fantastic

And there's nothing physically wrong with it, like no dead / bright pixels, or any of the crazy ditching others have complained about

There are 2 bright pixels in almost the same place as the first monitor had the dead ones

I bought this bad boy to play some PlayerUnknown Battlegrounds and Battlefield 1 and its incredible, all the colors are so clear and sharp, and it works absolutely perfectly, no dead pixels or back-

It has no dead pixel spots

And I was honestly afraid there would be worse dead pixels down the road, hence I returned it

There were no dead pixels, terrible bleed, or bad glow

Annoying dead pixels on both monitors received.

I had a bright dead pixel appear after barely 2 months of ownership

Color bleed and dead pixels showed up after 1.5 months.

First monitor I got looked great EXCEPT for a horizontal line of dead pixels across the center of the screen

No dead pixels, and no really light visible bleeding, but then I'm not taking photographs with long exposures of my screen.

You can clearly see the red dead pixel in the middle of the image.

My first purchase of this monitor had two dead pixels and many, many what I'm going to call "sub-dead" pixels.

Shipped with a small scratch that was bearable, now there is already a dead pixel within a week

I don't know how they are going to repair dead pixels they can't see.

Single stuck Blue Pixel on arrival (not enough to merit a return in my opinon, but enough to affect the review)My computer specs:i5-6600k

But during gameplay I noticed what looked to be a dead pixel and was very annoyed

I had no dead pixel either

No dead pixels and the IPS screen was absolutely beautiful

One was defective out of the box with dead pixels causing a bluish area on screen

The XB321HK I received had no dead pixels, no extreme backlight bleed and just normal amounts of IPS

I was very pleased not to find any dead pixels upon arrival, but of course any monitor will have this risk

- No dead pixels, minimal back light bleed

So far, so good - no dead pixels or anything.

No dead pixels or bleeding around the edge

No customers that forks over $400+ should have a brand new monitor with a dead or stuck pixel

I've had two so far an both had very distracting backlight bleed and dead pixels

The price is also absolutely asinine considering it's ~800 or so dollars for a panel with pretty much guaranteed dead pixels

USBsNo blbCons:1 Dead Pixel, didn't want to send it back since its touch the far left of the monitor

Screen is beautiful, just have dead pixels and for the cost of this monitor one would think that just wouldn’t happen one month into ownership.

I've had the thing for few months now and have had no dead pixels or even issues(aside from speakers not being good).

Cons:-The entire thing put together will take up a decent portion of most desks.-A single dead pixel upon delivery.-The speakers are worthless.-Throws off some heat

Overall 5/5, excellent response time, no dead pixels,

I went on to use the monitor for a few weeks not seeing any dead pixels

No dead pixels, easy setup and good warranty.

Additionally, props to Amazon for their handing of the replacement/return as the first monitor I received had a dead pixel near the center of the screen

This pixel corrected after a few restarts

No dead pixel or whatsoever and to think that it was shipped all the way to Qatar through International shipping

I might have won the monitor lottery, but I have no dead pixels, no glaring light bleed, the color isn't obviously un-uniform.

Im lucky and havent had any dead pixels although i have been getting stuck pixels, nothing but a little rubbing couldnt get rid of

It Occasionally flashes bad pixels on half the monitor randomly on eaither right or left hand side for a split second

I was worried about them quite a bit before buying the monitor, to the point I tried all local shops first and even one in Australia where they said they would check for pixels first (didn't buy because they said their monitors had dead pixels)

First one had a dead pixel and second one had a broken piece of plastic.

If you're an enthusiast and NEED to have a high resolution IPS panel with a high refresh rate, then go ahead and get this monitor but be aware you will have to deal with dead pixels among other potential issues

I say they were stuck pixels and not "dead pixels" because all I had to do was lightly press on them with a

Ordered this item, had extreme light bleed/clouding in bottom left hand corner, also had a dead pixel

But it tends to have stuck/dead pixel (both of the two I had) after carefully checking

You shouldn't buy a monitor with the possibility of getting stuck with one that has a few dead pixels.

If I look at a point 5 cm left or right of the dead pixel (so that dead pixel is in my peripheral vision

the dead pixels and bad backlight bleed both monitors that were deliveried are made this year so not old stock

Zero dead pixels with good color for monitor type and blistering refresh rates when synced with an Nvidia 1080

screen came with ZERO dead pixels, and GSync worked well - nothing bad to

there were loose pixels that actually had to be pressed in

Extraordinary image, no dead pixels, 2K at its best, 4 usb 3.0, speakers good enough for casual

Looking at solid color references no dead pixels

Fantastic colors and looks amazing, but because there is not "more than 4 dead pixels" in the middle of my display they refused to take it for repair

I have no issues of dead pixels or back light bleed

Extraordinary image, no dead pixels, 2K at its best, 4 usb 3.0, speakers good enough for casual

I will give Acer credit for the build quality, it is top notch with no dead or stuck pixels

My screen had no light bleed and zero dead pixels.

No dead pixels, no back-light bleed

Physically the monitor was fine, no noticeable back light bleed either, but mine came with a dead pixel right in the middle-left, so I had to return it and am waiting on the next one to arrive

Came perfect out of box, ZERO backlight bleed and ZERO dead pixels

It's just that these pixels are so small here in 4K resolution, that one dead pixel is really hard to find

Not problem at all with dead pixels or bleeding like the IPS monitors.

there had been fears that there would be a couple of dead pixels due to the nature of the product and how manufacturing something like this is challenging at best, but upon receiving the monitor I haven't noticed any dead pixels or light bleeding

Had some dead pixel the morning after I set it

Also had no dead pixels or any problems with it.

Got one with no dead pixel and backlight bleed, works perfectly

Turned out that dead pixels is not a big problem on this kind of monitor (4K)

Another one I ordered had really bad pixel inversion

No dead pixels, no BLBMinor IPS glow on the bottom right corner (when using the black screensaver in a dark room), not noticeable in use

No dead pixels

No dead pixels, no defects

2 of which had bad pixels and died within 1-2 weeks of use

some photos or games or movies, the dead pixel is impossible to find even though I know where it is

No backlight bleeding, no dead pixels, just amazing picture... and horrible sound, jeez, do not buy one of these for the speaker system, but I assume you know that already

Not as sharp as I normally like and a bit on the dim side...