AOC AG274QZM-B 27" 2560 x 1440 240Hz Tournament Gaming Monitor - Certified Refurbished

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Sale price$617.99 Regular price$779.99
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  • Condition: Refurbished
    This product has been refurbished by the manufacturer or an authorized third party
  • Warranty: 90 Day Manufacturer Warranty


AOC AG274QZM-B 27" 2560 x 1440 240Hz Tournament Gaming Monitor - Certified Refurbished


Get smooth gaming performance with the AG274QZM 27" QHD 240 Hz Gaming Monitor from AOC. Sporting a 27" IPS panel, this monitor delivers a QHD 2560 x 1440 resolution for detailed views. Take on opponents and breeze through campaigns without ghosting or tearing thanks to a 1 ms (GtG) response time, 240 Hz refresh rate, Adaptive-Sync technology, and G-Sync compatibility. Plus, a 1000:1 static contrast ratio, 1.07 billion colors, and VESA DisplayHDR 1000 certification ensure crisp and vibrant colors; 149% sRGB, 100% NTSC, 97% Adobe RGB, and 97% DCI-P3 coverage ensure color accuracy. Connect to hosts via DisplayPort or two HDMI interfaces. Or dock a compatible laptop using USB-C to get data, video, and up to 65W of power delivery via a single cable. An integrated hub features four USB-A 3.2 Gen 1 ports for wired peripherals, while KVM support and PbP functionality allow for streamlined multitasking. Listen to music, movies, or games with accurate audio via dual 5W speakers; adjust settings quickly using the included OSD pad. Stay comfortable during long viewing sessions with 750 nits of brightness, wide 178° horizontal and vertical viewing angles, and blue light filtering. Rotate, tilt, swivel, or adjust the height of the stand to find your optimal viewing position.


  • 27" 16:9 IPS Panel
  • QHD 2560 x 1440 at 240 Hz
  • 1 ms (GtG) Response Time
  • 750 nits Brightness
  • 1000:1 Static Contrast Ratio
  • Adaptive-Sync | G-Sync Compatible
  • DisplayPort | HDMI | USB-C

240 Hz Refresh Rate

Unleash your GPU for fluid and sharp gameplay with a 240 Hz refresh rate.

QHD Resolution

A QHD 2560 x 1440 resolution delivers sharp imaging for fine detail. The 16:9 aspect ratio provides plenty of space to spread out and work or enjoy games and movies in their original aspect ratio.

Minimal Bezel

The narrow border and frameless design offer minimal bezel distraction for the ultimate battle station. Plus, get virtually seamless views in multi-monitor setups.

Fast Response Time

Eliminate ghosting and motion blur with a fast 1 ms (GTG) response time.

Accurate Color

Bring video games and images to life with support for 1.07 billion colors and 149% sRGB, 100% NTSC, 97% DCI-P3 and 97% Adobe RGB coverage.

Integrated Lighting

Integrated lighting on the rear of the monitor lets you set the mood for your next gaming session. Choose whatever color you like, sync it up with other AOC devices, and test different lighting schemes.

IPS Panel

IPS panel technology ensures a clear viewing experience with lifelike colors. Plus, wide viewing angles ensure a consistent look, even when viewing the monitor from extreme angles.

Logo Projection

Shine a light on your gaming achievements and give your gaming setup a unique style with two projectable icons and RGB adjustments.

Quick Switch

Change your settings midgame with the AGON Quick Switch or save your preferred monitor settings and switch between them with one simple click.

VESA DisplayHDR 1000 Certified

High Dynamic Range (HDR) increases the color gamut, resulting in sharper details and richer color saturation and highlighting. A peak luminance of 1000 nits boosts realism for games and films.

USB-C Connectivity

Simplify the connections with one cable only. Connect via USB-C to take advantage of data, DisplayPort Alt Mode, and up to 65W of power delivery.

KVM Support

Share a single keyboard, mouse, and monitor between multiple computers with KVM switch hardware.

Picture-by-Picture (PbP) Functionality

Picture-by-Picture (PbP) functionality allows you to make use of multiple sources simultaneously and display them on the same screen. Its commanding overview gives you more control and boosts efficiency while streaming, working, and playing.

Adjustable Stand

Tilt or swivel the display to find your perfect viewing angle. Rotate the screen 180° to view content in landscape or portrait orientation. Raise or lower the screen to suit to suit your height or seating position.

Built-In Speakers

Built-in speakers make it easy to catch up with family, friends, and colleagues and enjoy accurate audio for movies, music, games, and more.

AOC G-Menu

AOC G-Menu is a free tool that you can install on your computer for convenient control.

Game Modes

Tailor your display to your game with a click of a button. Switch settings using built-in presets for FPS, racing, or RTS titles, or customize your own ideal conditions and save them. The AOC settings keypad makes switching profiles or adjusting features quick and easy.

Low Input Lag

Unleash your reflexes by switching to AOC's Low Input Lag mode. Forgoing graphical frills, this mode rewires the monitor in favor of raw response time, giving you an edge for fast-paced gaming.

AOC Game Color and Shadow Control

Bring the battle out of the shadows with AOC Shadow Control and AOC Game Color. Adjust gray levels for better picture detail and brighten dark areas or sink them back into blackness on the fly without affecting the rest of the display.


Display Size
Panel Type
Aspect Ratio
2560 x 1440
Maximum Brightness
750 nits / cd/m2
  1000 nits / cd/m2 (Peak in HDR Mode)
HDR Compatibility
Contrast Ratio
Dynamic Contrast Ratio
Response Time
1 ms (GtG)
Refresh Rate
240 Hz
Variable Refresh Technology
Adaptive-Sync, G-Sync
Bit Depth / Color Support
8-Bit+FRC (1.07 Billion Colors)
Color Gamut
149% sRGB
  100% NTSC
  97% Adobe RGB
  97% DCI-P3
Viewing Angle (H x V)
178 x 178°
Pixels Per Inch (ppi)
109 ppi
Anti-Glare / Matte
Touchscreen Technology
Hardness Rating
1 x 1/8" / 3.5 mm
  1 x DisplayPort (1.4)
  2 x HDMI (2.1)
1 x 1/8" / 3.5 mm
HDCP Support
Yes, Version 2.2
1 x USB-C 3.0 / 3.1/3.2 Gen 1 (DisplayPort Alt Mode)
  4 x USB-A 3.0 / 3.1/3.2 Gen 1
USB Power Delivery
65 W (via USB-C)
Multi-Input Support (PIP/PBP)
Picture-by-Picture (PBP)
Built-In Speakers
Yes, 2 x 5 W
Supported File Formats
Supported Languages
  Simplified Chinese
Power Consumption
Standby: 0.5 W
  Typical: 58.0 W
AC Input Power
100 to 240 VAC, 50 / 60 Hz
Power Adapter Type
Height Adjustment
4.7" / 120 mm
Rotation Adjustment
Swivel Adjustment
40° (-20 to 20°)
Tilt Adjustment
-3 to 21°
Mounting-Hole Pattern
100 x 100 mm
Lock Slot
Yes, Kensington
24.1 x 21.5 x 13.9" / 612.9 x 547.3 x 352.1 mm (with Stand)
  24.1 x 14.5 x 2.9" / 612.9 x 368.2 x 73 mm (without Stand)
16.5 lb / 7.5 kg
Packaging Info
Package Weight
33.265 lb
Box Dimensions (LxWxH)
28 x 25.4 x 10"

AOC AG274QZM-B 27" 2560 x 1440 240Hz Tournament Gaming Monitor - Certified Refurbished

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