Costco Members: 27" Acer Predator X27U 1440p 280Hz QD-OLED Gaming Monitor

ready2rumble

Apr 9, 2026 11:21 PM

7.3K Comments

Joined Mar 2008

ready2rumbleApr 9, 2026 11:21 PM

7.3K Comments

The last time this monitor was posted, someone mentioned that the OLED screening message would pop up almost hourly. That sounds very annoying.

K3G4

Apr 9, 2026 11:25 PM

595 Comments

Joined Mar 2007

K3G4Apr 9, 2026 11:25 PM

595 Comments

Quote from ready2rumble

:

The last time this monitor was posted, someone mentioned that the OLED screening message would pop up almost hourly. That sounds very annoying.

It's not hourly. It's about 4hrs or so. It can be disabled in the UI but I'm not sure if that's going to be harmful over the long run due to oled burn in tendencies.
The Acer warranty description does not seem to cover burn in but an updated statement I saw somewhere on their website says they do..
I ended up returning the display because of the annoying blue LED that kept flashing in standby mode without a way to disable it.
Picture is still nice though and has 280hz.

ready2rumble

Apr 9, 2026 11:34 PM

7.3K Comments

Joined Mar 2008

ready2rumbleApr 9, 2026 11:34 PM

7.3K Comments

Quote from K3G4

:

It's not hourly. It's about 4hrs or so. It can be disabled in the UI but I'm not sure if that's going to be harmful over the long run due to oled burn in tendencies.
The Acer warranty description does not seem to cover burn in but an updated statement I saw somewhere on their website says they do..
I ended up returning the display because of the annoying blue LED that kept flashing in standby mode without a way to disable it.
Picture is still nice though and has 280hz.

Hmm, does that mean that if you disable the notifications then you cannot get the monitor to do its cleaning cycle? Or is that something it just does whenever it feels like (regardless of if there is activity on the screen)? I wouldn't want it to do that if I'm playing a game or in the middle of a meeting, for instance.

If you turn the monitor fully off, does the blue LED go away?

1

CoreyR2384

Apr 10, 2026 12:10 AM

1.9K Comments

Joined Nov 2018

CoreyR2384Apr 10, 2026 12:10 AM

1.9K Comments

Quote from ready2rumble

:

Hmm, does that mean that if you disable the notifications then you cannot get the monitor to do its cleaning cycle? Or is that something it just does whenever it feels like (regardless of if there is activity on the screen)? I wouldn't want it to do that if I'm playing a game or in the middle of a meeting, for instance. If you turn the monitor fully off, does the blue LED go away?

For most of these OLED monitors, they'll automatically run their pixel refresh cycle once they go into standby after at least 4 hours of use, so it should still do its refresh cycle. I disabled the notification on my Alienware ultra-wide QD-OLED after it caused me to die during a Lies of P boss fight that I was about to win. It's a good idea to set the screen standby time to 5 minutes or so to prevent burn-in on QD-OLED's. I don't know the UI and mechanics of this specific monitor, though, so I'd double check.

K3G4

Apr 10, 2026 12:21 AM

595 Comments

Joined Mar 2007

K3G4Apr 10, 2026 12:21 AM

595 Comments

Quote from ready2rumble

:

Hmm, does that mean that if you disable the notifications then you cannot get the monitor to do its cleaning cycle? Or is that something it just does whenever it feels like (regardless of if there is activity on the screen)? I wouldn't want it to do that if I'm playing a game or in the middle of a meeting, for instance.

If you turn the monitor fully off, does the blue LED go away?

You hold the joystick-like button to turn the monitor off fully. The blue light would therefore also turn off. Kind of cumbersome..

I realize this is def a first world problem but I just couldn't stand it flashing all night in the bedroom. Other monitors these days have a user interface that allows you to disable the LED (such as the Lenovo Legion IPS monitor I had previously and the MSI MAG OLED I replaced the Predator with).

As far as the refresh cycle, I think the monitor still does it when it gets a chance to when you're not using it. The notification is a distraction though when you are using the monitor continuously for 4hrs or greater. I skipped the message once and noticed it did come back a different day. I no longer have the monitor though.

Last edited by K3G4 April 9, 2026 at 05:26 PM.

Kirkland-pickles

Apr 10, 2026 12:40 AM

719 Comments

Joined Aug 2022

Kirkland-picklesApr 10, 2026 12:40 AM

719 Comments

I'm concerned about this blue light thing.. does this mean that if i put the pc to sleep like normal, and don't touch the monitor, that there will be a blue light shining at night?

hope someone can clear this up for me

IrfTech

Apr 10, 2026 5:42 AM

302 Comments

Joined Apr 2016

IrfTechApr 10, 2026 5:42 AM

302 Comments

Quote from Kirkland-pickles

:

I'm concerned about this blue light thing.. does this mean that if i put the pc to sleep like normal, and don't touch the monitor, that there will be a blue light shining at night?

hope someone can clear this up for me

U can turn it off in the settings

toky00

Pro

Apr 10, 2026 8:09 AM

762 Comments

Joined Nov 2011

toky00

Pro

Apr 10, 2026 8:09 AM

762 Comments

Hmmm... there are so many variants of this monitor...

240; 280; 500 Hz
HDR10; HDR400

https://store.acer.com/en-us/cata...lt/?q=x27u
https://www.microcenter.com/produ...8/Predator
https://www.microcenter.com/product/697266/acer
https://www.bhphotovideo.com/c/pr...ipprx.html
https://www.bestbuy.com/product/a...ku/6639160
https://www.staples.com/acer-pred...t_24686549

Last edited by toky00 April 10, 2026 at 01:24 AM.

Mk4Jetta

Apr 11, 2026 1:22 PM

134 Comments

Joined Apr 2012

Mk4JettaApr 11, 2026 1:22 PM

134 Comments

I bought one of these last week. The complaint about the blue led is valid. You can turn it off by letting the monitor go to sleep then hitting the button once and it powers the monitor off. I have not had it long enough to experience the message about the refresh more than once. I have had it come up once so far and it takes 2 clicks to go away. It did the refresh when I was done gaming and the monitor went to sleep.
If you plan to use this for a lot of office work, I would avoid. The text is hard to look at. It's amazing for gaming though!

Last edited by Mk4Jetta April 11, 2026 at 08:47 AM.

2

Modestmouse

Apr 11, 2026 7:25 PM

386 Comments

Joined Jul 2012

ModestmouseApr 11, 2026 7:25 PM

386 Comments

Quote from Mk4Jetta

:

I bought one of these last week. The complaint about the blue led is valid. You can turn it off by letting the monitor go to sleep then hitting the button once and it powers the monitor off. I have not had it long enough to experience the message about the refresh more than once. I have had it come up once so far and it takes 2 clicks to go away. It did the refresh when I was done gaming and the monitor went to sleep.
If you plan to use this for a lot of office work, I would avoid. The text is hard to look at. It's amazing for gaming though!

I don't have this display but I just up the default font size on the display settings or enhance the font size per app…
I have a similar monitor issue and ended placing a piece of electrical tape on the led (no option in the display settings)

ROBOBALBOA

Apr 12, 2026 12:32 AM

90 Comments

Joined Feb 2011

ROBOBALBOAApr 12, 2026 12:32 AM

90 Comments

I bought this but was extremely annoyed by the bright blue LED. I never found the setting for it, but pushing and holding a button on the bottom of the monitor for 5 seconds is extremely annoying because monitor was on an arm. Too much pressure move the entire monitor. Also the popup was really annoying but I did find the setting for it. I ended up returning this and getting a refurb AOC OLED which I'm happy with.

1

HunkaBurninLove

Apr 12, 2026 1:12 AM

2K Comments

Joined Dec 2008

HunkaBurninLoveApr 12, 2026 1:12 AM

2K Comments

For price reference, I bought this back in November 2025 (was $400). My first venture into OLED and loved the monitor, but wanted a larger screen so I went with the Nitro 32" Costco had at the time.

The LED is bright, but I would have used a black Sharpie or taped over it.

1

DRP1214

Apr 13, 2026 9:21 PM

59 Comments

Joined Feb 2026

DRP1214Apr 13, 2026 9:21 PM

59 Comments

Seeing as this company sells OLED monitors and their warranty doesn't cover burn in, they don't deserve anyone's money. It's industry standard at this point to offer a 3 year burn in coverage.

1

FormerAstronut

Apr 14, 2026 7:31 PM

657 Comments

Joined Feb 2021

FormerAstronutApr 14, 2026 7:31 PM

657 Comments

So am I going to be blown away by the richness of colors with sharp contrasts between blacks and vivid colors or is that something that is really only noticeable with the demo loop that's played on OLEDs in stores? I.e. for games in general you probably won't see that drastic of a difference between IPS monitors for instance

SingularMotives

Apr 20, 2026 4:45 AM

1.3K Comments

Joined Nov 2008

SingularMotivesApr 20, 2026 4:45 AM

1.3K Comments

Quote from DRP1214

:

Seeing as this company sells OLED monitors and their warranty doesn't cover burn in, they don't deserve anyone's money. It's industry standard at this point to offer a 3 year burn in coverage.

They do cover burn-in. Their warranty was changed recently.

Costco Members: 27" Acer Predator X27U 1440p 280Hz QD-OLED Gaming Monitor

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