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AOC Agon AG271UG 27" 4K Ultra HD LED IPS Monitor

CCL Code: MON4363
Manufacturer Code: AG271UG
Manufacturer: AOC
AOC Agon AG271UG 27" 4K Ultra HD LED IPS Monitor

Key Features:

  • 3840 x 2160 Resolution
  • Fast 4ms Response Time
  • 300cd/m2 Brightness
  • IPS Panel
  • G-Sync Support
  • Inputs: HDMI and Display Port


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4K Ultra HD Resolution

Ultra High Definition and High Pixel Density

AOC's Agon AG271UG features a 27-inch professional, high-quality, IPS panel for fast refresh. Ultra High Definition (UHD) allows users to see more on the screen at one time; it gives more 'real estate' and also shows more detail for sharper and more brilliant images. A 4K (3840 x 2160) resolution is four times a Full HD (1920 x 1080) resolution. The crisp, clear, images produced by this world class panel will help take your gaming to the next level.

G-SYNC™ Delivers the Smoothest Gaming Experience

NVIDIA® G-SYNC™ Technology

NVIDIA® G-SYNC™ is the revolutionary solution that synchronizes the display’s refresh rates to the GPU in your GeForce GTX-powered PC to eliminate screen tearing and minimizes display stutter and input lag, in order to provide the smoothest, fastest, and visually stunning gaming experience to date. What you get is fluid and responsive gameplay, with objects looking sharper, scenes appearing instantly and more vibrant in visual quality than on any other monitors, so you can enjoy the latest games to the fullest. NVIDIA® G-SYNC™ delivers the smoothest and fastest gaming experience with a serious competitive edge.

Rapid 4ms

Fast 4ms Response Time for Smooth Graphics Rendering

A 4ms Response Time means you get to enjoy fast-moving actions without worrying about image smearing or ghosting that occurs with slow response time. In other words, you get to experience a lag-free gaming with that desired competitive edge. Enjoy fast-moving action and dramatic transitions without the annoying effects of ghosting, thanks to the smooth rendering.

Be Enlightened

AOC Shadow Control

AOC Shadow Control enables fast contrast adjustment of overly dark or bright areas through the OSD menu while retaining quality on more balanced areas on-screen.

Height Adjustable

Fully Adjustable Stand

The fully adjustable stand allows convenient adjustment of the screen's height and angle.  Match the screen's position to your chair position, height, and line of sight for a compfortable playing experience.

HDMI 1.4, DisplayPort, USB 3.0 Charging

Connection Port

AOC gaming monitors are very easy to connect. The AG271UG has several external input ports, including HDMI 1.4  and DisplayPort, but also has dedicated USB 3.0 and device-charging ports, making it easy for you to charge your mobile device or transfer data while focused on your gaming session.

Main Features

  • 3840x2160 4K Ultra HD Resolution
  • IPS panel for wide-viewing angles
  • Multimedia connectivity with Display Port 1.2 and HDMI 1.4
  • 4 x USB 3.0 (1 x fast-charging port)
  • Two 2-watt built-in speakers
  • Adjustable Height Stand


Screen Aspect Ratio 16:9
Screen Size 27 in
Screen technology In-Plane Switching (IPS) G-Sync
Screen Technology In-Plane Switching (IPS) G-Sync
Colours 16.7 Million
Pixel Pitch 0.15525 x 0.15525 mm
Brightness 300 Lumens
View Angle (Horizontal - Max) 178 °
View Angle (Vertical - Max) 178 °
Contrast Ratio 20,000:1
Resolution (Maximum) 3840 x 2160 Pixels
Backlight LED
Aspect Ratio 16:9
Horizontal Frequency - Low 52 KHz
Horizontal Frequency - High 133 KHz
Vertical Frequency - Low 30 Hz
Vertical Frequency - High 60 Hz


Wall Mountable Yes
Height Adjustable Yes


User Controls Source/Auto/Exit,left/Game mode,Right/ShadowControl Menu/Enter,Power


Speakers 2 x 2W


USB Ports 1 x USB
Headphone Ports 1 x Headphone Port
HDMI Ports 1 x HDMI 1.4
DisplayPort Out 1 x DisplayPort


Language Selection 16 Languages including English,French and Spanish


Electrical Power Consumption 50 W
Electrical Power Consumption Standby <0.5 W
Voltage 110 to 240 VAC
Electrical Frequency 50 to 60 Hz


Form Factor LCD Monitor
Case Colour Black
Pack Quantity 1
In The Box 27 inch Monitor • Power Adaptor • Power Cord • HDMI cable • DP cable • Audio cable • USB cable • QSG
Width 62.27 cm
Depth 21.82 cm
Height 43.27 cm
Weight 6.8 kg

Key Features

Resolution (Native) 3840 x 2160 Pixels
Response time 4 ms
Resolution Type (Native) 4K Ultra HD
Resolution Type (Maximum) 4K Ultra HD
Screen Size Range 24 - 29 in
VESA Mountable Yes
Contrast Ratio - Dynamic 20,000,000:1
Built-in Speakers Yes
Hard Glass Coating No
VGA Connection No
DVI Connection No
HDMI Connection Yes
Touchscreen No
BNC Connection No
TV Tuner No
Panel Technology IPS
3D Ready No
Power Source Mains Powered
LED Backlight Yes
Disk Form Factor 3.5
Gaming Yes
Projection Aspect Ratio 16:9
Display Model in Showroom No
DisplayPort Connection Yes
120Hz Refresh Rate No
Screen Type 4K (2160p)
FreeSync No
144Hz Refresh Rate No
Curved Display No
165Hz Refresh Rate No
200Hz Refresh Rate No
180Hz Refresh Rate No
240Hz Refresh Rate No

Graphics Device

G-Sync Yes


Warranty 1 Year

Item Details

Manufacturer AOC
Manufacturer Code AG271UG
EAN 4038986185929
Condition New

Warranty Information

Warranty 1 Year

Manufacturer Information

Manufacturer AOC
Manufacturer Code AG271UG

Do you have you a question about the AOC AGON AG271UG (27 inch) LCD Gaming Monitor 20,000:1 300cd/m2 3840x2160 4ms?

Q: Can the screen be rotated into portrait configuration ?
Answer by Website User on 28th November 2017
Yes, this can be changed to a portrait configuration
0 customers found this answer helpful.
Post Answer

PDF Datasheets and Manuals

Document File type File size
AOC Agon AG271UG (27 inch) LCD Gaming Monitor 20,000:1 300cd/m2 3840x2160 4ms pdf