acer Nitro 27 Inch QHD 2560 x 1440 IPS Gaming Monitor | AMD FreeSync | Up to 180Hz Refresh | Up to 0.5ms | DCI-P3 95% | HDR 10 Support | One Display Port 1.2 & Two HDMI 2.0 | KG271U N3bmiipx
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FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Monday, Dec 22
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Style: WQHD
Features
- Quality Visuals: The KG271U 27" IPS monitor with 2560 x 1440 QHD resolution in a 16:9 aspect ratio presents stunning, high-quality images with excellent detail. The zero-frame design does away with the thick frames found on conventional monitors freeing up precious screen space.
- AMD FreeSync Technology: Say goodbye to stuttering and tearing. With AMD FreeSync, the monitors frames are synced with the graphics cards frames, which eliminates screen tearing and provide the smoothest gaming experience.
- Up to 180Hz: The 180Hz refresh rate speeds up the frames per second to deliver an ultra-smooth 2D motion scene. With a rapid refresh rate of up to 180Hz, Acer Gaming Monitors shorten the time it takes for frame rendering, lower input lag and provide gamers an excellent in-game experience.
- Responsive!!: Up to 0.5ms GTG (Gray to Gray) response time enhanced gamers in-game experience. No matter the fast-moving action or any dramatic transitions will be all rendered smoothly without the annoying effects of smearing or ghosting with KG271U Gaming Monitor.
- New Depths of Color Accuracy: is monitor is ideal for color-critical projects producing accurate colors, supporting DCI-P3 95%. An amazing monitor for graphic designers, photographers, and film editors.
- HDR Enabled: Change how you see your games with Acer HDR 10 support for up to a wide DCI-P3 95% color gamut. HDR will improve overall quality and contrast to take your gameplay to the next level with improved color accuracy.
- 27.0" QHD (2560 x 1440) Widescreen IPS Gaming Monitor | AMD FreeSync Technology
- Refresh Rate: 180Hz Using Display Port | 144Hz using HDMI Port | Response Time: 1ms (G to G) - Up to 0.5ms (G to G)| HDR 10 Support | Pixel Pitch: 0.233mm
- VESA mounting compliant (100 x 100mm) | Zero-Frame Design | Ergonomic Tilt: -5 to 25
- Ports: 1 x Display Port 1.2 & 2 x HDMI 2.0 Ports (Display Port Cable Included)
Description
The Gate of Smooth Gaming: In competitive gaming, every frame matters. Introducing Acer's KG271U gaming monitor - the QHD (2560 x 1440) resolution monitor that can keep up with your game play. This AMD FreeSync monitor takes gameplay to the next level of smooth, the game’s frame rate is determined by your graphics card, not the fixed refresh rate of the monitor, giving you a serious competitive edge. Plus, users can enjoy comfortable viewing experience while gaming via flicker-less, low dimming and ComfyView display. The design saves space on your desk and lets you place multiple monitors side by side to build a seamless big-screen display. (UM.HX1AA.307)
Brand: acer
Screen Size: 27 Inches
Resolution: QHD Wide 1440p
Aspect Ratio: 169
Screen Surface Description: Matte
Standing screen display size: 27 Inches
Screen Resolution: 2560x1440
Max Screen Resolution: 2560 x 1440
Brand: acer
Series: Nitro KG271U N3bmiipx
Item model number: UM.HX1AA.307
Item Weight: 13.72 pounds
Product Dimensions: 8.28 x 24.2 x 18.14 inches
Item Dimensions LxWxH: 8.28 x 24.2 x 18.14 inches
Color: Black
Manufacturer: Acer
Date First Available: July 25, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Dec 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I am very impressed with the quality of this monitor. The Blacks are very black (at 180Hz) and not washed out. To achieve 180Hz you must use a Display Port cable and not HDMI. Gaming at 2560x1440 is very impressive as well, but does require a little more GPU power than 1080p. The higher resolution took some getting used to, and rather than scale everything, which can easily be done, I chose to just tweak certain Windows applications to make the text or icons a little larger. I really enjoy having the higher resolution having migrated from a 1980x1080. Great monitor at a great price !!
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Reviewed in the United States on September 8, 2025 by kstev99
Very impressed with this monitor. I bought 2 and it's very nice to have both attached to a wall mount, as it has VESA support. Video quality, colors and brightness is great. I upgraded from a 24" 1080p 144 hz and the difference is highly notable. A plus is that it has integrated sound speakers. The audio quality is not the best but it does the job in case you don't have an audio monitor. It has a DPort cable which is able to perform those 180hz at QHD resolution (I tested a few HDMIs but those only allowed me to reach 120hz, while on my previous monitors I was able to reach 144hz. Not sure if this is a hardware cap matter or just a lack of settings). 100% recommended.
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Reviewed in the United States on August 17, 2025 by Simon Osorio Uribe Simon Osorio Uribe
GOOD MONITOR AND GETS JOB DONE WELL
Reviewed in the United States on December 1, 2025 by Vanessa M.
The media could not be loaded. This is a review after 3 months of usage, spoiler alert, I’m pretty happy with it.* I bought this 27inch 1440p 180Hz (KG271U N3bmiipx) monitor for around 170 usd with offer and taxes. Pros: 1. 2K, very fast 180hz refresh rate, with built in speakers for 170 USD. 2. Pretty high color range (DCI-P3 95%), not verified, but to naked eye, love the vivid colour accurate display, this was important to me. 3. IPS screen, meaning good viewing angles, also important for good viewing experience. 4. Decent HDR for an IPS LCD budget monitor. 5. Didn't notice any flickering. Reasons for asterisk: 1. In standard or other modes, even when set to 100, brightness feels low in well lit environments. Turning HDR mode on solves this issue, probably because of increased peak brightness, but this makes it too bright in dark environments, you won't be able to adjust screen brightness in HDR mode. Switching between standard and HDR mode felt a little tedious. 2. Overshooting is noticeable to naked eye if overdrive setting is set as extreme. Recommend setting it to minimum, or off, then it’s not at all noticeable. 3. Speakers are like what you’d expect in your typical gaming monitors. Pretty mediocre, will get the job done. They lack any base or instrument clarity or separation. In movies or songs, vocals are pretty crisp, but the background music sounds pretty low. Could be solved with headphones or speakers. 4. HDMI connections only supports upto 144hz. 5. Lack of height adjustment for stand. 6. Felt like a thick monitor, build quality is decent, all plastic, does not give you premium feels, but good for it's price. At this point you might be thinking, why did this guy give 5 stars when the cons list is bigger than pros. It's because I compared this with similarly priced Sansui ESA-G27F6Q and Arzopa M1RC side by side, and overall Acer seemed like the best pick in this price range.
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Reviewed in the United States on April 12, 2025 by Mystic Mystic
This monitor works great and getting it on sale made it even better. 1440p is all you will ever need especially for console gaming. It runs up to 180hz on display port but hdmi it can reach 120hz easily allowing you to maximize your response time for your console and give yourself more time to react. You can quickly switch between different modes for different games and even create user specific modes that you can adjust to your hearts desire. All of the display settings are easily adjustable through the analog button on the rear of the monitor. Also the monitor has settings that can actively adjust your picture for different situations in games (I currently cannot recall the term for it). You can adjust the brightness, saturation, and more. One of my favorite features is the different display presets such as low blue light that can help when working late on the monitor. My only demerit of the monitor is the stand itself is kind of flimsy and is not adjustable. I would advise getting a mount for your monitor of some sort if you are to purchase this monitor. Otherwise this is an amazing monitor I got for an amazing price during Prime Day Deals.
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Reviewed in the United States on August 7, 2025 by Joe Christman
I bought 2 of these to replace my old work-from-home Acer monitors (10 years old) and I gotta say, I'm pretty particular about my tech. First, I was annoyed that the base doesn't raise, but get some monitor stands and you're fine. (Amazon has some inexpensive ones and they give you a little nook and cranny under the monitor for your tchotchkes that TOTALLY don't distract you from those 300 emails in your inbox). The vibrance, color, and quality of pic are great. Acer is .. aces. Setup was quick and easy, make sure you've updated your drivers and Windows just in case it gets weird when connecting them, and due to my job, I have to game with them (it's a hard-knock life, for sure), and they deliver with no problem. They're lightweight, work great for both work applications and gaming, and the response time is solid. Great price and functionality.
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Reviewed in the United States on December 1, 2025 by Jeff
Our college student uses this as an external display for his laptop at college. He likes it and it works well. We got it on sale which made it a great value for the money. It's a very nice unit with great picture quality, lots of adjustments for what he needs and can be used with his xbox if he so chooses. He's only had it at school for about a week so we can't speak to longevity but he's very happy with it.
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Reviewed in the United States on August 21, 2025 by bigbearsfan