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Acer Predator XB271HK 27" 4K UHD IPS NVIDIA G-Sync Black/Red Gaming Monitor, 3840 x 2160 (4K), 100% sRGB Color accuracy, Tilt/Swivel/Pivot/Height Adjustable, Build in Speakers

Ships from United States. Most customers receive within 3-8 days.

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  • 3840 x 2160 (4K)
  • 4ms(GTG) response time, 60Hz
  • G-Sync (NVIDIA Adaptive Sync)
  • HDMI, Display port and USB 3.0 x 4
  • VESA Mountable

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

General information

Acer Predator XB271HK Gaming Monitor

Gaming without Compromise

Powered by IPS panel technology and with 4K UHD resolution, 4ms response time (GTG) and 1000:1 static contrast ratio, the Predator XB271HK gaming monitor produces impressively amazing visuals that brings your games and movies to vivid life. Designed with gamers in mind, it incorporates NVIDIA G-Sync technology which syncs the display refresh rate with your high-end GPU to eliminate scene tearing and minimize stuttering. Flicker-less technology and blue lighter filter are also included, for comfortable viewing and reduced eye strain during prolonged gaming or reading sessions.

Two integrated speakers deliver rich, dynamic sound for complete multimedia experience. The stand features aggressive, contrasting black-red color schemes, and supports full ergonomics motion with tilt, swivel, pivot and height adjustment so you can configure your display for perfect viewing experience. An HDMI and a DisplayPort inputs can play nice your gaming desktop and game console. Additionally, four USB 3.0 ports are built onboard for quick connection with your peripherals and even charging your mobile devices.

  • 27" Display
  • 16:9 Aspect Ratio
  • 3840 x 2160 (native and maximum)
  • IPS Panel
  • 0.155mm Pixel Pitch
  • 4ms Response Time
  • Ports: 1 x Display Port v1.2, 1 x HDMI v1.4 & 4- USB 3.0 Ports
  • 2 speakers, 2 watts per speaker
  • NVIDIA G-SYNC

General information

Gaming Immersion

The Acer Predator XB271HK gaming monitor will completely immerses you in the game universe. The intense 27-inch IPS Display with UHD (3840 x 2160) resolution shows all the details and draws you deep into the action. The display wraps you in a world of entertainment with every corner of the screen at the same distance from your eyes for a uniform viewing experience without blind spots. Your gaming experience will never be the same again.

The Acer ErgoStand lets the monitor pivot, tilt, swivel, and move up or down, so you can find the most comfortable viewing angle from where to oversee your push into enemy territory. Its VESA compatible mounting offers a sleek, space saving option in tight spaces.

Smooth Gaming Action

Get the buttery-smooth gameplay you’ve dreamed of. NVIDIA G-SYNC synchronizes the refresh rate of the monitor with your powerful GPU to eliminate screen tearing and minimize display stutter and input lag so scenes appear instantly, objects look sharper and game play is super smooth.

Gamers will particularly appreciate the 4ms response time. The result is a smooth, tear-free experience in gaming and video playback applications.

What's gaming without the sound of whizzing bullets, crunching glass and huge explosions? Pump up the sound with two built-in 2W speakers bringing world-class sound to your games and movies.

Picture Perfect

Stay in your game for hours with EyeProtect’s Flicker-less. Give your neck a break too, the ergonomic stand lets you find your most comfortable view with tilts from -5°- 35°, vertically adjust up to 5-inches and rotate up to 90°.

This high end monitor is designed to handle high rates of data transfers and has high-bandwidth connection ports like HDMI and DisplayPort. Four high-speed USB 3.0 ports make it easy to connect your mouse, keyboard, gaming headset and mobile. Plus, you can charge your smartphone or other portable device quickly.

Safe for you and the environment, Acer monitors are ENERGY STAR and RoHS compliant. Acer EcoDisplay technologies use mercury-free white LED backlighting, reducing power consumption by up to 68%.


Learn more about the Acer America XB271HK (UM.HX1AA.002)

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
3/ 5
Great for gaming

Pros: -4k 60Hz if you're using the displayport for your pc
-Great image

Cons: -Only in 1080p if you're using the HDMI port (This isn't specified in specifications)
-If you want 4k 60Hz, you can only use it with products WITH displayport
-The base has difficulty in locking in with the stand and will sometimes unlock and detach if you decide to turn your monitor

Other Thoughts: -Recommended if you're gonna go full on gaming mode

2 out of 10 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
2/ 5
Received Damaged Product

Pros: Monitor was easy to put together
Looks cool

Cons: Screen was not as sharp as expected (though may be related to screen issue at receipt)
Screen had a red line running down the left hand side upon first powering up

Other Thoughts: Until replacement monitor is received (RMA of damaged item takes a lot of time) I would not recommend the monitor to anyone. I may update if the replacement is better.

1 out of 3 people found this review helpful. Did you?
Manufacturer Response:
Hello Eric,

We are sorry to hear you received your Acer Predator monitor in damaged condition. We understand this was frustrating for you especially since the line appeared out of the box. We are glad to hear Newegg has processed your RMA and we are confident the replacement will arrive in excellent condition. If in the future you need assistance with your Acer monitor, feel free to contact support from the info posted at http://www.acer.com/ac/en/US/content/service-contact
We appreciate your feedback and you taking the time to write this review.
Best regards,
Acer America
4/ 5
Great Monitor with Billions of colors nowhere to be found.

Pros: Good Build, Good viewing angle, Great colors, Good Style, Thin Bezels etc.

Cons: 1.07 Billions of colors ONLY on PRO GPUs, no 1080, 1080ti or other regular cards will show you billions of colors.

Other Thoughts: You see, main reason I selected this baby because of 4K+IPS. 1.07 Billions of colors was an addon that I loved. I thought wow how would photos will look on that screen and movies. But Unfortunately my dreams came crashing and burning because the highest available consumer card simply does not support that. You see 1080ti (in my case) does support 10bit, BUT 10bit HDR over HDMI to TV. Not 10bit over DisplayPort to Monitor. And that's a problem. That means I can watch nice BluRay movie on my TV yet I can't view Photoshop in 10bit with billions of colors and play game or watch a movie on Monitor.

And that's a sad reality. Only Cards like Nvidia Quaddro can do that. Sad.

But if you don't care about that, it's a GREAT monitor, no problems, no dead pixels, no problems whatsoever. I am using Windows 10, I do have 4K Native resolution on But to that crisp text I selected 200% DPI in Windows setting. Not 150% like they recommending but 200%, small difference but amazing picture if you're using native pixels (100%,200%300% etc) instead of fractions.

Good luck !

1 out of 8 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Lovely monitor

Pros: -4k and vibrant colors; well calibrated out of the box
-G-sync
-Very thin bezel

Cons: -Screen tends to wobble when typing

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Defective and not recommended.

Pros: Beautiful picture.

Cons: The product I received had a line of vertical dead pixel on the left of the panel and the image would flicker every hour or so. I returned it to newegg and requested a RMA return. They refuse to send me a new one, my guess is they did a lazy inspection and called it a day. I will call in tomorrow to request a refund.

0 out of 2 people found this review helpful. Did you?
Manufacturer Response:
Dear Anonymous,

We are sorry to hear this; we understand you returned the Acer monitor but we would have been happy to provide support for you. If in the future you need assistance with an Acer product, feel free to contact support from the info posted at http://www.acer.com/ac/en/US/content/service-contact
Best regards,
Acer America
Ownership: 1 week to 1 month
1/ 5
Defect product

Pros: nothing

Cons: bad quality, old packaging box, color leaking

Other Thoughts: i receive this product in very old box and their is a color leaking in the monitor and newegg support take very long time to refund !!

0 out of 6 people found this review helpful. Did you?
Manufacturer Response:
Dear Rashed,

Thank you for taking the time to write this review. We are sorry to hear this; we understand you returned the Acer monitor but we would have been happy to provide support for you. If in the future you need assistance with an Acer product, feel free to contact support from the info posted at http://www.acer.com/ac/en/US/content/service-contact
Best regards,
Acer America
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Great image, but not 32-bit

Pros: Fantastic Resolution
Excellent build quality
Easy Assembly
Large enough to read screen text at full rez

Cons: DOES NOT provide true 10-bit color
Screen flickers occasionally

Other Thoughts: Pictures don't do this monitor justice, looks much better in person. If you are going for 4k, do not go any smaller than 27". I had an NEC 24" 4k monitor prior to this (it died in 2 months and after my experience with NEC customer support I will never buy another NEC product) and it was too small to be able to read text on websites etc at native resolution.
This monitor is labeled as 10-bit, billions of colors, but it is not. I am using an EVGA 1080ti with a display port connection and the option for 10-bit color depth is greyed out. Searching the internet for a solution yielded numerous posts of similar complaints and no solution. Bottom line is the monitor "simulates" 10-bit color from a 8-bit signal. My NEC did true 10-bit and I tell you the simulation isn't even close. Colors are still good since it is an IPS panel, but pales in comparison to the NEC, while it actually worked. Maybe the internet is wrong and 10-bit support will be unlocked by a future nVidia driver update but right now it is not there.
Second issue is a weird occasional screen flicker. Every once in a while (once or twice a day) half the monitor will flicker to what looks like a color bar test signal for a fraction of a second. This may be an issue with the graphics card, a hand shake issue, or something else, but it leaves me a bit uneasy thinking the monitor may die prematurely. It is barely noticeable and otherwise the monitor works great (no dead pixels, I don't notice any light bleed/hotspots, etc).
Complaints for this monitor seem to be the same for all monitors in this class (dead pixels, poor quality control, etc.). I'm pretty sure there's only one or two companies manufacturing the panels and all these companies are sourcing from the same place so it doesn't matter which company you to with, it will be hit or miss whether you get a good panel or not. Though odds are there are significantly more good panels than bad ones, most people who are happy with a product don't write a review. So look for the features you need/want and the best price point. I went with this one since it was $200 less than the ASUS with G-Sync. Maybe the ASUS would have true 10-bit, but I doubt it. The NECs are considerably more expensive for the same features and maybe that is the price for true 10-bit, but after eating a $1000+ monitor due to NEC not standing by their 36 month warranty I will never buy another one of their products (I was living in Japan and was told because I owned a US version of the monitor I had to go through the US warranty service...even though NEC is HQed in Japan and the monitor was built there...they would not ship to/from Japan and I wasn't buying a $1500 plane ticket to be able to sign for a delivery...they would not accept a signature by someone the product wasn't registered to).

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Beautiful monitor!

Pros: 27", 4k, IPS, G-sync. Looks expensive. Beautiful game play.

Cons: 60 frames

Other Thoughts: Would recommend to anyone who wants their games to look super good. ARK and Forza 7 are stunning on this monitor. Overwatch just looks like Overwatch. I have a Asus Strix 1080 TI and with G-sync on I get about 40-50 fps in 4k. Amazing. PUBG also looks good, but that's not important to me on PUBG. I cranked down the resolution to 2k for PUBG and I get 60 fps the entire match. This means it's not bad and after a couple days I got used to gaming PUBG at 60 frames. However I did notice a difference compared to my 144hz monitor and it bothered me until I got used to it. I almost returned this monitor, because of this. But I stuck it out and can say that for me, it didn't hurt my in game performance. And now I don't know any better. I hate to write this in the review, because the difference was sooo minimal(yet noticeable). If your gaming requires really smooth game play just get the 2k 144hz monitor. Its a good middle, similar price and in my opinion the best for the all around gamer. I'm too an all around gamer, but decided to keep this monitor to treat myself to incredibly beautiful game play.

4 out of 7 people found this review helpful. Did you?
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