Asus  |  SKU: 508750

ASUS ROG Strix XG27UCDMG 27" 4K OLED Gaming Monitor, 240Hz, 0.03ms, USB-C 90W - Black

319.9 KD 345.9 KD

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ASUS ROG Strix XG27UCDMG 27" 4K OLED Gaming Monitor, 240Hz, 0.03ms, USB-C 90W - Black

Experience premium 4K gaming with the ASUS ROG Strix OLED XG27UCDMG, featuring a 27-inch class fourth-generation Tandem QD-OLED display with 3840 × 2160 resolution, a 240Hz refresh rate, and an ultra-fast 0.03ms GtG response time. Designed for competitive gaming and immersive entertainment, the monitor delivers exceptional image clarity, deep blacks, vibrant colors, and incredibly smooth motion.

Featuring VESA DisplayHDR 400 True Black certification, 99% DCI-P3 color coverage, NVIDIA G-SYNC Compatible technology, AMD FreeSync Premium Pro, and ASUS Extreme Low Motion Blur, the monitor combines stunning OLED visuals with responsive gaming performance. Dual HDMI 2.1 ports, DisplayPort 1.4 DSC, USB-C with 90W Power Delivery, KVM functionality, ASUS OLED Care Pro, Neo Proximity Sensor, Aura Sync lighting, and a fully adjustable ergonomic stand complete its premium gaming-focused design.


Technical Specifications

General Information
Brand ASUS
Gaming Brand Republic of Gamers (ROG)
Series ROG Strix OLED
Model Number XG27UCDMG
Product Type OLED Gaming Monitor
Display Category 4K UHD High Refresh Rate OLED Gaming Monitor
Panel Technology Fourth-Generation Tandem QD-OLED
Display Technology Quantum-Dot OLED
Panel Surface Anti-Reflection
Screen Shape Flat
Color Black
Primary Usage Competitive Gaming, 4K Entertainment, Content Creation, and Productivity
Display Specifications
Screen Size 26.5 Inches (27-Inch Class)
Panel Type Tandem QD-OLED
OLED Generation Fourth Generation
Display Technology Quantum-Dot OLED
Resolution 3840 × 2160
Resolution Type 4K Ultra HD (UHD)
Aspect Ratio 16:9
Screen Shape Flat
Maximum Refresh Rate 240Hz
Response Time 0.03ms (GtG)
Typical SDR Brightness 250 cd/m² (100% APL)
HDR Peak Brightness 1,000 cd/m²
Typical Contrast Ratio 1,500,000:1
Display Colors 1.0737 Billion Colors
Color Depth True 10-Bit
DCI-P3 Color Gamut 99%
sRGB Color Gamut 145%
Color Accuracy Delta E < 2
Viewing Angle 178° Horizontal / 178° Vertical
Pixel Pitch 0.153 mm
Pixel Density Approximately 166 PPI
Active Display Area 589.97 × 332.93 mm
Panel Surface Anti-Reflection
HDR Support HDR10
HDR Certification VESA DisplayHDR 400 True Black
Gaming Performance
Maximum Refresh Rate 240Hz
Gaming Resolution 3840 × 2160 4K UHD
Response Time 0.03ms GtG
Panel Technology Fourth-Generation QD-OLED
NVIDIA G-SYNC G-SYNC Compatible
AMD FreeSync FreeSync Premium Pro
Adaptive Synchronization Adaptive-Sync
Variable Refresh Rate Supported
Extreme Low Motion Blur ASUS ELMB
GameFast Input Technology Supported
ASUS Shadow Boost Supported
ASUS GamePlus Supported
ASUS GameVisual Supported
Aspect Ratio Control Supported
HDR Gaming DisplayHDR 400 True Black
VESA AdaptiveSync Display 240Hz Certified
High Refresh Rate Gaming Up to 240Hz with Compatible Hardware
Console Gaming Up to 4K 120Hz with Compatible Consoles
Color Performance & HDR
Panel Technology Tandem QD-OLED
Display Colors 1.0737 Billion
Color Depth True 10-Bit
DCI-P3 Color Gamut 99%
sRGB Color Gamut 145%
Color Accuracy Delta E < 2
Factory Color Calibration Supported
Calibration Report Available through DisplayWidget Center
Typical SDR Brightness 250 Nits
HDR Peak Brightness 1,000 Nits
Typical Contrast Ratio 1,500,000:1
HDR Format HDR10
HDR Certification VESA DisplayHDR 400 True Black
Uniform Brightness Supported
Adjustable HDR Supported
Viewing Angles 178° Horizontal / 178° Vertical
Screen Treatment Anti-Reflection
Connectivity
HDMI 2 × HDMI 2.1 (FRL)
DisplayPort 1 × DisplayPort 1.4 DSC
USB Type-C 1 × USB-C with DisplayPort Alt Mode
USB-C Power Delivery Up to 90W
USB Hub 3 × USB 3.2 Gen 1 Type-A
Headphone Output 1 × Earphone Jack
Total Video Inputs 4 (2 HDMI, 1 DisplayPort, 1 USB-C)
HDMI Standard HDMI 2.1 FRL
DisplayPort Standard DisplayPort 1.4 with DSC
Display Stream Compression Supported
USB-C Video Input DisplayPort Alt Mode
USB-C Charging Up to 90W with Compatible Devices
KVM Switch Supported
HDMI Refresh Rate Range 48Hz – 240Hz
DisplayPort Refresh Rate Range 48Hz – 240Hz
USB-C Refresh Rate Range 48Hz – 240Hz
PC Compatibility Compatible HDMI, DisplayPort, or USB-C Video Output
Laptop Compatibility Compatible USB-C, HDMI, or DisplayPort Connection
Console Compatibility PS5, Xbox Series X|S, and Nintendo Switch 2
Audio
Built-In Speakers No
Headphone Output Yes
Audio Connector Earphone Jack
External Audio Support Compatible Headphones and External Speakers
Audio Connectivity Audio Output through Earphone Jack
OLED Care & Panel Protection
OLED Protection Technology ASUS OLED Care Pro
Neo Proximity Sensor Supported
Automatic Black Screen Supported through Neo Proximity Sensor
OLED Burn-In Prevention ASUS OLED Care Pro Features
OLED Anti-Flicker OLED Anti-Flicker 2.0
OLED Anti-Flicker Reduction Up to 20% Less Flicker Compared with Previous Generation
Custom Heatsink Supported
Uniform Brightness Supported
Refresh Rate Cap Supported
Panel Surface Anti-Reflection
Low Blue Light Hardware Solution
TÜV Flicker-Free Certified
TÜV Low Blue Light Certified
OLED Warranty 3 Years Including Burn-In Coverage
Gaming Features & Software
ASUS GamePlus Supported
ASUS GameVisual Supported
ASUS GameFast Input Supported
Extreme Low Motion Blur Supported
ASUS Shadow Boost Supported
DisplayWidget Center Supported
Aspect Ratio Control Supported
KVM Switch Supported
Auto KVM Supported
Color Calibration E-Report Supported
Refresh Rate Cap Supported
OLED Anti-Flicker 2.0 Supported
Uniform Brightness Supported
Aura Sync Lighting Supported
OLED Care Pro Supported
Neo Proximity Sensor Supported
Adaptive-Sync Supported
AMD FreeSync Premium Pro Supported
NVIDIA G-SYNC Compatible Supported
HDR Gaming DisplayHDR 400 True Black
Eye Comfort & Display Design
OLED Anti-Flicker 2.0 Supported
Flicker-Free Technology Supported
Low Blue Light Hardware-Based Solution
TÜV Flicker-Free Certified
TÜV Low Blue Light Certified
Screen Surface Anti-Reflection
Panel Type Tandem QD-OLED
Screen Shape Flat
Viewing Angles 178° Horizontal / 178° Vertical
Aspect Ratio 16:9
Display Size 26.5 Inches
Pixel Density 166 PPI
Display Color Black
Gaming Design ROG Strix OLED
Lighting Technology ASUS Aura Sync
Design & Ergonomics
Design Flat
Color Black
Stand Type Fully Adjustable Ergonomic Stand
Height Adjustment 0–120 mm
Tilt Adjustment -5° to +20°
Swivel Adjustment -45° to +45°
Pivot Adjustment -90° to +90°
VESA Mount 100 × 100 mm
Monitor Arm Compatibility Compatible VESA Monitor Arms
Wall Mount Compatibility Compatible VESA Wall Mounts
Tripod Socket 1/4-Inch
Kensington Lock Supported
RGB Lighting ASUS Aura Sync
Stand Design Compact Space-Saving Design
Phone Holder Integrated into Stand
Dimensions & Weight
Dimensions with Stand (W × H × D) 613 × 509.4 × 168.7 mm
Dimensions without Stand (W × H × D) 610.3 × 369.2 × 66.5 mm
Packaging Dimensions (W × H × D) 860 × 500 × 163 mm
Net Weight with Stand 7.44 kg
Net Weight without Stand 5.0 kg
Gross Weight with Packaging 10.3 kg
Active Display Area 589.97 × 332.93 mm
VESA Mount Size 100 × 100 mm
Panel Size 26.5 Inches
Power & Operating Conditions
Power Input 100–240V AC, 50/60Hz
Power Consumption Less Than 80W
Power Saving Mode Less Than 0.5W
Power Off Mode Less Than 0.3W
USB-C Power Delivery Up to 90W
Power Cord Included
Power Saving Features Supported
Energy Efficiency Energy-Saving Operating Modes

Key Features

  • 27-inch class fourth-generation Tandem QD-OLED gaming display
  • 26.5-inch actual display panel size
  • 4K UHD resolution of 3840 × 2160
  • 240Hz refresh rate for ultra-smooth competitive gaming
  • Ultra-fast 0.03ms GtG response time
  • Fourth-generation Quantum-Dot OLED panel technology
  • Anti-reflection screen surface
  • Approximately 166 PPI pixel density for sharp visuals and text
  • 1,500,000:1 typical contrast ratio
  • Up to 1,000-nit HDR peak brightness
  • VESA DisplayHDR 400 True Black certification
  • HDR10 content support
  • True 10-bit color depth with 1.0737 billion colors
  • 99% DCI-P3 color gamut coverage
  • 145% sRGB color gamut specification
  • Delta E less than 2 color accuracy
  • Factory color calibration
  • NVIDIA G-SYNC Compatible technology
  • AMD FreeSync Premium Pro support
  • VESA AdaptiveSync Display 240Hz certification
  • ASUS Extreme Low Motion Blur technology
  • ASUS GameFast Input technology
  • ASUS GamePlus and GameVisual features
  • ASUS Shadow Boost for dark-scene visibility
  • ASUS OLED Care Pro panel protection
  • Neo Proximity Sensor with automatic black-screen functionality
  • OLED Anti-Flicker 2.0 technology
  • Custom heatsink for OLED thermal management
  • Uniform Brightness technology
  • Refresh Rate Cap functionality
  • DisplayWidget Center software
  • Built-in KVM switch functionality
  • Dual HDMI 2.1 FRL connectivity
  • DisplayPort 1.4 with DSC support
  • USB-C with DisplayPort Alt Mode and up to 90W Power Delivery
  • Three USB 3.2 Gen 1 Type-A ports
  • Headphone output for compatible audio devices
  • Up to 4K 120Hz gaming on compatible PS5 and Xbox Series X consoles
  • ASUS Aura Sync RGB lighting
  • Height, tilt, swivel, and pivot adjustments
  • 100 × 100 mm VESA mounting support
  • Compact ergonomic stand with integrated phone holder
  • 1/4-inch tripod socket for streaming accessories


User Benefits

  • Enjoy exceptionally detailed gaming visuals with 3840 × 2160 4K UHD resolution.
  • Experience sharp text and detailed images through the monitor's approximately 166 PPI pixel density.
  • Enjoy ultra-smooth competitive gameplay with the 240Hz refresh rate.
  • Benefit from exceptionally fast pixel response with the 0.03ms GtG response time.
  • Experience vibrant colors and deep blacks through fourth-generation QD-OLED technology.
  • Enjoy impressive contrast through the 1,500,000:1 typical contrast ratio.
  • Experience bright HDR highlights with up to 1,000-nit peak brightness.
  • Enjoy enhanced HDR gaming visuals with DisplayHDR 400 True Black certification.
  • Benefit from smooth color transitions through true 10-bit color depth.
  • Enjoy rich gaming environments with 99% DCI-P3 color coverage.
  • Experience accurate-looking colors with Delta E less than 2 factory calibration.
  • Reduce distracting reflections with the anti-reflection display surface.
  • Reduce visible screen tearing and stuttering through NVIDIA G-SYNC Compatible technology.
  • Enjoy smooth variable refresh-rate gaming with AMD FreeSync Premium Pro.
  • Improve perceived motion clarity during fast-paced games with ASUS ELMB technology.
  • Benefit from responsive gameplay through ASUS GameFast Input technology.
  • Customize gaming settings conveniently with ASUS GamePlus and GameVisual.
  • Improve visibility in dark gaming scenes using ASUS Shadow Boost.
  • Benefit from ASUS OLED Care Pro features designed to help protect the OLED panel.
  • Reduce prolonged static-image exposure through the Neo Proximity Sensor.
  • Experience reduced OLED flicker through OLED Anti-Flicker 2.0 technology.
  • Enjoy more consistent screen brightness using Uniform Brightness mode.
  • Customize supported monitor settings through DisplayWidget Center.
  • Connect compatible gaming PCs through HDMI 2.1 or DisplayPort 1.4 DSC.
  • Connect compatible laptops through USB-C while delivering up to 90W of charging power.
  • Switch supported USB peripherals between connected computers using KVM functionality.
  • Connect multiple USB accessories through the integrated USB hub.
  • Enjoy supported PS5 and Xbox Series X games at up to 4K 120Hz through HDMI 2.1.
  • Connect compatible headphones or external speakers through the earphone output.
  • Enhance your gaming setup with ASUS Aura Sync lighting.
  • Adjust the monitor height and tilt for improved viewing comfort.
  • Rotate the display into portrait orientation using pivot functionality.
  • Customize your viewing angle through swivel adjustment.
  • Install the monitor on a compatible VESA arm for a flexible desktop arrangement.
  • Benefit from a compact stand that preserves desk space for gaming peripherals.
  • Use the integrated phone holder and tripod socket for a more convenient gaming or streaming setup.
  • Enjoy a premium gaming display suitable for competitive esports, 4K gaming, streaming, content creation, and productivity.


Included Items

  • 1 × ASUS ROG Strix OLED XG27UCDMG 27" 4K UHD 240Hz Gaming Monitor - Black
  • 1 × Ergonomic Monitor Stand
  • 1 × Monitor Stand Base
  • 1 × DisplayPort Cable
  • 1 × Power Cord
  • 1 × Quick Start Guide
  • 1 × ROG Pouch
  • 1 × ROG Sticker
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