27" 4K NVIDIA G-Sync™ Gaming Monitor


27" IPS G-SYNC™ gaming monitor with 4K resolution and rapid 4ms response.

• 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


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.

4K Ultra HD Resolution

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.

G-SYNC™ Delivers the Smoothest Gaming Experience

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.

Rapid 4ms

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.

Be Enlightened

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.

Height Adjustable

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.

HDMI 1.4, DisplayPort, USB 3.0 Charging
Bonus Features


Viewable Screen Size 27
Panel Type IPS
Aspect Ratio 16:9
Brightness 300 cd/m²
Refresh Rate
Contrast Ratio (dcr) 20M:1
Response Time 4ms (GtG)
Max Resolution 3840x2160@60Hz (Using DisplayPort)
Color Depth 16.7M
Pixel Pitch (mm) (H x V) 0.15525(H) x 0.15525mm(V)
View Angle (degrees) (H x V) Horizontal: 178 Degrees (CR>10) Vertical: 178 Degrees (CR>10)
Display Area (mm) (H x V) 596.74(H)mm x 335.66(V) mm
Scanning Frequency (H / V) Horizontal: DP1.2: 52kHz~133kHz HDMI.4: 30kHz~140kHz Vertical: DP1.2:30Hz~60Hz HDMI1.4: 24Hz~60Hz
Cabinet Color Black/Red
Adjustability Tilt: -3.5°±1.5°~+21.5±1.5° Pivot: 90° Swivel: -20°~20° HA: 130mm
Dual-Link DVI
HDMI 1.4 1
HDMI 2.0
Display Port 1.2 1
USB Type-C
USB 2.0
USB 3.0 4
Upstream USB
Power Consumption 50W (typical), Standby: <0.5W
Power Source Universal 110~240VAC, 50/60Hz
Wall Mount (mm x mm) 100mm
Built-in Speaker 2Wx2
Audio Line-In/Earphone Out
User Control Source/Auto/Exit,left/Game mode,Right/ShadowControl Menu/Enter,Power
Regulations cTUVus, CE, FCC, RoHS, Windows 8/10 compatible
OSD Languages 16 Languages including English,French and Spanish
Other Features NVIDIA G-Sync™ User Friendly Graphical OSD Menu,VESA Wall Mount Compliant1, Kensington Security Slot, Includes AOC's eSaver software, i-Menu software
Net Weight (lbs) 14.9
Net Weight (Kgs) 6.8
Gross Weight (lbs) 22.1
Gross Weight (Kgs) 10
Carton in inch (WxHxD) 9.4x28.1x18.9
Carton in mm (WxHxD) 240 x715x480
Monitor in inch (WxHxD) 24.5x17.1x8.6
Monitor in mm (WxHxD) 622.7x432.7x218.2
Loading Qty w/pallet 20'=288 pcs; 40' Std=576pcs.
UPC 685417715787
IN the Box 27" Monitor, Power Adapter, Power Cord, HDMI cable,DP cable,Audio cable, USB cable,QSG.


In The Box







Drivers & Software



United States