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The ROG Strix OLED XG27UCDMG is a 27-inch, 240Hz 4K gaming monitor that uses fourth-generation QD-OLED technology to deliver exceptionally sharp visuals and clear text. The updated QD-OLED panel improves longevity and keeps flicker to a minimum even when frame rates vary. ROG OLED Care Pro includes the Neo Proximity Sensor, which switches the screen to a black image when no user is detected to help protect against burn-in.

The ROG Strix OLED XG27UCDMG is a 27-inch, 240Hz 4K gaming monitor that uses fourth-generation QD-OLED technology to deliver exceptionally sharp visuals and clear text. The updated QD-OLED panel improves longevity and keeps flicker to a minimum even when frame rates vary. ROG OLED Care Pro includes the Neo Proximity Sensor, which switches the screen to a black image when no user is detected to help protect against burn-in.

Built for demanding gamers and creators, the monitor offers a 240Hz refresh rate paired with a 0.03ms gray-to-gray (GTG) response time to provide very sharp, fluid motion and low latency.

Built for demanding gamers and creators, the monitor offers a 240Hz refresh rate paired with a 0.03ms gray-to-gray (GTG) response time to provide very sharp, fluid motion and low latency.

The latest QD-OLED panel delivers very high contrast and vivid color for immersive visuals, while an astonishing 0.03 ms gray-to-gray response time ensures ultra-smooth, low-latency imagery. Key display metrics shown include a 1.5M :1 contrast ratio, 0.03 ms response time, 99% DCI-P3 gamut, Delta E < 2, and a 166ppi pixel density.
The latest QD-OLED panel delivers very high contrast and vivid color for immersive visuals, while an astonishing 0.03 ms gray-to-gray response time ensures ultra-smooth, low-latency imagery. Key display metrics shown include a 1.5M :1 contrast ratio, 0.03 ms response time, 99% DCI-P3 gamut, Delta E < 2, and a 166ppi pixel density.


ROG OLED Anti-Flicker 2.0 cuts onscreen flicker by up to 20% compared to previous-generation panels for more comfortable gaming. It also employs a luminance compensation algorithm that boosts pixel brightness during refresh-rate fluctuations to maintain consistent visuals without increasing input lag or lowering refresh rates, and a Refresh Rate Cap with High / Mid / Off presets covers a wider range of refresh rates.

ROG OLED Anti-Flicker 2.0 cuts onscreen flicker by up to 20% compared to previous-generation panels for more comfortable gaming. It also employs a luminance compensation algorithm that boosts pixel brightness during refresh-rate fluctuations to maintain consistent visuals without increasing input lag or lowering refresh rates, and a Refresh Rate Cap with High / Mid / Off presets covers a wider range of refresh rates.

ASUS OLED Care Pro gives a suite of configurable settings to protect the OLED panel and extend its life. It includes the Neo Proximity Sensor that detects your distance and automatically switches the display to a black image when you step away, and these settings are manageable via DisplayWidget Center.
ASUS OLED Care Pro gives a suite of configurable settings to protect the OLED panel and extend its life. It includes the Neo Proximity Sensor that detects your distance and automatically switches the display to a black image when you step away, and these settings are manageable via DisplayWidget Center.


ROG OLED monitors incorporate a custom heatsink and unique internal airflow to improve cooling and lower the risk of burn-in, helping the display remain reliable over extended use.

ROG OLED monitors incorporate a custom heatsink and unique internal airflow to improve cooling and lower the risk of burn-in, helping the display remain reliable over extended use.

The XG27UCDMG offers DisplayPort™ 1.4 with Display Stream Compression (DSC), HDMI® 2.1, USB-C with 90-watt Power Delivery, and a USB hub to support a wide range of multimedia devices.
The XG27UCDMG offers DisplayPort™ 1.4 with Display Stream Compression (DSC), HDMI® 2.1, USB-C with 90-watt Power Delivery, and a USB hub to support a wide range of multimedia devices.


The stand provides tilt, swivel, pivot and height adjustments for an ideal viewing position and is VESA wall-mount-compatible. Adjustment ranges include 0-120MM height, swivel -45°~ +45°, tilt -5°~ +20°, and pivot -90°~ +90°.

The stand provides tilt, swivel, pivot and height adjustments for an ideal viewing position and is VESA wall-mount-compatible. Adjustment ranges include 0-120MM height, swivel -45°~ +45°, tilt -5°~ +20°, and pivot -90°~ +90°.
Everything you need to know about this product
The monitor features a 240Hz refresh rate and a 0.03ms gray-to-gray (GTG) response time for very sharp, fluid motion.
It uses fourth-generation QD-OLED technology to deliver high contrast and vivid colors.
ASUS OLED Care Pro includes the Neo Proximity Sensor that switches the screen to a black image when you step away, plus features such as pixel cleaning, Screen Move and other dimming/adjustment tools to reduce burn-in risk.
Yes — the XG27UCDMG supports AMD FreeSync™ Premium and is NVIDIA® G-SYNC® compatible for tear-free VRR gameplay.
It provides DisplayPort™ 1.4 with Display Stream Compression (DSC), HDMI® 2.1, USB-C with 90W Power Delivery, and a USB hub.
The monitor offers ROG Gaming AI features including AI Visual, Dynamic Crosshair, and Dynamic Shadow Boost, plus GamePlus tools such as crosshair overlays, FPS counter, timer and more.
ROG OLED Anti-Flicker 2.0 reduces onscreen flicker by up to 20% versus previous-generation panels and uses a luminance compensation algorithm to stabilize brightness during refresh-rate fluctuations without adding input lag.
Yes — DisplayWidget Center lets you optimize and personalize settings via a mouse, notifies you of firmware updates, offers a direct update option, and supports importing/exporting display configurations.
Highlighted specs include 99% DCI-P3 gamut, Delta E < 2, and a 1.5M :1 contrast ratio, with a 166ppi pixel density for clear text and imagery.
Yes — the stand supports height (0-120MM), swivel (-45°~ +45°), tilt (-5°~ +20°) and pivot (-90°~ +90°) adjustments, and the display is VESA wall-mount-compatible.
AI-Generated Content: These FAQs are generated by an automated AI system and may contain inaccuracies or omissions. Evetech makes no warranties, express or implied, regarding their completeness or reliability. For definitive information, please refer to the manufacturer's official specifications.











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