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Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx | 0.5ms, AMD FreeSync, DCI-P3 95%, 2xHDMI, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology

Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx

Bottom line: The Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx ($159.99 on Amazon as of 2026-10-06): 1440p QHD at 180Hz - not the usual 1080p/144Hz compromise at this size; main trade-off: freeSync only - no official G-SYNC certification listed for this model.

$159.99

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Buy on Amazon — $159.99 Compare to similar gaming monitors

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 1440p QHD at 180Hz - not the usual 1080p/144Hz compromise at this size
  • ✓ 0.5ms GTG response rated for fast shooters without ghosting
  • ✓ 95% DCI-P3 coverage makes it usable for photo and video editing
  • ✓ AMD FreeSync removes tearing when framerate swings below 180fps
  • ✓ Two HDMI plus DisplayPort lets a console and PC stay connected

Cons

  • ✗ FreeSync only - no official G-SYNC certification listed for this model
  • ✗ IPS panel, so black levels trail VA and OLED alternatives
  • ✗ Built-in speakers are a convenience feature, not a headset replacement
  • ✗ No USB hub, so peripherals still run straight to the PC

Manufacturer description

The Acer Nitro KG271U N3bmiipx is a 27-inch QHD gaming monitor built around a 2560x1440 IPS panel running at up to 180Hz with a 0.5ms gray-to-gray response time. That combination puts it in the sweet spot for GPUs that can push 1440p past 120fps: AMD FreeSync syncs the panel's refresh to your graphics card's output, so frames arrive without tearing or the stutter you get from a fixed 60Hz screen. Acer rates the panel at 95% DCI-P3 coverage, which matters if you edit photos or color-grade video between matches rather than gaming exclusively. The zero-frame design keeps bezels thin enough for…

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SpecPicks Verdict

SpecPicks scored Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What resolution and refresh rate does the Acer KG271U support?

It is a 27-inch IPS panel at 2560x1440 QHD in 16:9, with a refresh rate up to 180Hz and a 0.5ms gray-to-gray response time.

Does this monitor work with an Xbox or PlayStation?

It has two HDMI inputs plus DisplayPort, so a console and a PC can both stay connected. Confirm the exact HDMI version and console refresh support on the product listing before buying for console use.

Is the KG271U good for more than gaming?

Acer rates it at 95% DCI-P3 coverage, which Acer positions for graphic design, photography, and video editing alongside gaming.

Can I wall-mount or arm-mount this monitor?

Yes, it is VESA mountable, so you can swap the included stand for a wall mount or monitor arm. Check the listing for the exact VESA pattern.

Key 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 monitor’s frames are synced with the graphics card’s 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.

Full Specifications

BrandAcer
ColorBlack
Brightness250 candela_per_square_meter
Model NameNitro KG271U N3bmiipx
ResolutionQHD Wide 1440p
Unit Count1 Count
Screen Size27 inches
Aspect Ratio16:9
Display TypeLCD
Model NumberUM.HX1AA.307
Refresh Rate180 hertz
Adaptive SyncFreeSync
Mounting TypeWall Mount
Response Time0.5 milliseconds
Screen FinishMatte
Viewing Angle178 degrees
Contrast Ratio1000:1
Native Resolution2560x1440
Power Consumption26 watts
Display TechnologyQHD
Full listing titleAcer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx | 0.5ms, AMD FreeSync, DCI-P3 95%, 2xHDMI, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology

Ready to buy?

Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx | 0.5ms, AMD FreeSync, DCI-P3 95%, 2xHDMI, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $159.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Acer Nitro 27in QHD 2560x1440 IPS 180Hz Gaming Monitor KG271U N3bmiipx | 0.5ms, AMD FreeSync, DCI-P3 95%, 2xHDMI, DisplayPort, Speaker, VESA Mountable, Bluelight Filter, Flickerless Technology
$159.99
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