ASUS ROG Strix 27″ 4K QD-OLED Monitor
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About This Item
- 27-inch 4K QD-OLED gaming monitor with 240Hz refresh rate
- 0.03ms GTG response time and 1500000:1 contrast ratio
- 99% DCI-P3 and 145% sRGB colour coverage
- G-SYNC compatible and FreeSync Premium support
- USB-C with 90W Power Delivery and built-in KVM switch
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ASUS ROG Strix OLED XG27UCDMG | 4K QD-OLED Gaming Monitor
The ASUS ROG Strix OLED XG27UCDMG computer monitor 67.3 cm (26.5″) 3840 x 2160 pixels 4K Ultra HD QD-OLED Black delivers premium OLED gaming performance with ultra-fast 240Hz refresh rates and true 10-bit colour. Designed for competitive gamers and creative professionals who demand exceptional visual clarity, this monitor combines cutting-edge QD-OLED technology with comprehensive gaming features.
Key Specifications
| Metric | Spec |
|---|---|
| Screen Size | 27-inch (26.5″ viewable) |
| Resolution | 3840 x 2160 (4K Ultra HD) |
| Panel Type | QD-OLED |
| Refresh Rate | 240Hz |
| Response Time | 0.03ms (GTG) |
Exceptional OLED Gaming Performance
The ASUS ROG Strix OLED XG27UCDMG features a 27-inch QD-OLED panel that delivers true 10-bit colour with 99% DCI-P3 coverage and 145% sRGB colour gamut. The 240Hz refresh rate ensures silky-smooth gameplay, while the 0.03ms response time eliminates motion blur for competitive advantage. OLED technology provides perfect blacks and infinite contrast ratios of 1,500,000:1, creating stunning visual depth for both gaming and content creation.
Advanced Gaming Technologies
This monitor includes comprehensive gaming features including NVIDIA G-SYNC compatibility, AMD FreeSync Premium, and VESA Adaptive Sync support for tear-free gaming across all platforms. ASUS OLED Care Pro technology helps protect the panel from burn-in, while OLED Anti-Flicker 2.0 reduces eye strain during extended gaming sessions. The Neo Proximity Sensor automatically detects when you’re nearby and wakes the display, enhancing convenience.
Versatile Connectivity Options
The ASUS ROG Strix OLED XG27UCDMG offers extensive connectivity including two HDMI 2.1 ports, one DisplayPort 1.4, and a USB Type-C port with 90W Power Delivery and DisplayPort Alternate Mode. The built-in USB 3.2 Gen 1 hub includes three Type-A ports and one Type-C port, while the integrated KVM switch allows control of multiple devices with a single keyboard and mouse setup. The 100x100mm VESA mount compatibility provides flexible mounting options.
Box contents
- ASUS ROG Strix OLED XG27UCDMG monitor
- Power cable
- HDMI cable
- DisplayPort cable
- USB Type-C cable
- Stand assembly components
- Documentation and warranty information
Check before you buy
- Confirm your graphics card supports 4K resolution at 240Hz output
- Verify your gaming setup has adequate space for the 613mm wide base
- Check if your power supply can handle the 80W typical power consumption
- Ensure your desk can support the 7.44kg weight with stand
Frequently Asked Questions
Q: Does this monitor support HDR?
A: Yes, it supports HDR10 with VESA DisplayHDR 400 True Black certification and peak brightness of 1000 cd/m².
Q: Can I mount this monitor on a wall?
A: Yes, it’s VESA mount compatible with a 100x100mm mounting pattern.
Q: Does it have built-in speakers?
A: No, this monitor does not include built-in speakers.
Q: What is the warranty coverage?
A: It’s covered by the standard manufacturer warranty. Please check with your retailer for specific terms.
Q: Can I use this for console gaming?
A: Yes, the HDMI 2.1 ports support 4K 240Hz gaming on compatible consoles.
The Consultant’s verdict & warranty
The ASUS ROG Strix OLED XG27UCDMG computer monitor 67.3 cm (26.5″) 3840 x 2160 pixels 4K Ultra HD QD-OLED Black represents exceptional value for serious gamers and creative professionals who demand premium OLED performance. The combination of ultra-fast 240Hz refresh rates, true 10-bit colour, and comprehensive gaming features makes it ideal for competitive gaming, content creation, and immersive entertainment. Covered by the standard Manufacturer Warranty, this monitor delivers professional-grade visual performance in a gaming-focused package.
| Display | |
|---|---|
| HDCP | Yes |
| Screen shape | Flat |
| Display number of colours | 1.073 billion colours |
| Native aspect ratio | 16:9 |
| Maximum refresh rate | 240 Hz |
| sRGB coverage (typical) | 145% |
| Display surface | Matt |
| HD type | 4K Ultra HD |
| Display technology | QD-OLED |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.15525 x 0.15525 mm |
| Viewable size, horizontal | 59 cm |
| Viewable size, vertical | 33.3 cm |
| Digital horizontal frequency | 30 - 590 kHz |
| Digital vertical frequency | 48 - 240 Hz |
| Display resolution | 3840 x 2160 pixels |
| Response time | 0.03 ms |
| Display diagonal | 67.3 cm (26.5") |
| Contrast ratio (typical) | 1500000:1 |
| Display brightness (peak) | 1000 cd/m² |
| Touchscreen | No |
| High Dynamic Range (HDR) supported | Yes |
| Panel type | OLED |
| DCI-P3 coverage | 99% |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Display diagonal (metric) | 68 cm |
| LED backlight | Yes |
| Colour gamut standard | DCI-P3, sRGB |
| Response time measurement type | GTG (Gray to Gray) |
| Anti-glare screen | Yes |
| Audio | |
| Built-in speaker(s) | No |
| Performance | |
| Built-in speaker(s) | No |
| Built-in camera | No |
| NVIDIA G-SYNC type | G-SYNC Compatible |
| AMD FreeSync type | FreeSync Premium |
| AMD FreeSync | Yes |
| NVIDIA G-SYNC | Yes |
| VESA Adaptive Sync support | Yes |
| Low Blue Light technology | Yes |
| Flicker-free technology | Yes |
| Brand specific technologies | ASUS OLED Care |
| Motion blur reduction | Yes |
| Management features | |
| Picture-in-Picture | Yes |
| Multimedia | |
| Built-in speaker(s) | No |
| Built-in camera | No |
| Design | |
| Market positioning | Gaming |
| Feet colour | Black |
| Product colour | Black |
| Camera | |
| Built-in camera | No |
| Ports & interfaces | |
| Built-in USB hub | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB Type-A downstream ports quantity | 3 |
| USB Type-C downstream ports quantity | 1 |
| Headphone out | Yes |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| HDCP | Yes |
| Headphone outputs | 1 |
| HDMI | Yes |
| HDMI version | 2.1 |
| DisplayPort version | 1.4 |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 90 W |
| USB Type-C DisplayPort Alternate Mode | Yes |
| Built-in KVM switch | Yes |
| HDCP version | 2.2 |
| Technical details | |
| Height (without stand) | 369.2 mm |
| Depth (without stand) | 66.5 mm |
| Width (without stand) | 610.3 mm |
| Feet colour | Black |
| Cable lock slot | Yes |
| HDMI | Yes |
| Display viewable area (HxV) | 589.97 x 332.93 mm |
| Product colour | Black |
| Sustainability certificates | Forest Stewardship Council (FSC) Mix |
| Weight (with stand) | 7.44 kg |
| Touchscreen | No |
| Ergonomics | |
| Wall mountable | Yes |
| VESA mounting | Yes |
| Cable lock slot | Yes |
| Panel mounting interface | 100 x 100 mm |
| Swivelling | Yes |
| Swivel angle range | -45 - 45° |
| Tilt angle range | -5 - 20° |
| Pivot | Yes |
| Pivot angle | -90 - 90° |
| Picture-in-Picture | Yes |
| Height adjustment | Yes |
| Cable lock slot type | Kensington |
| Tilt adjustment | Yes |
| Adjustable height (max) | 12 cm |
| Power | |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power consumption (typical) | 80 W |
| Power consumption (off) | 0.3 W |
| Power consumption (PowerSave) | 0.5 W |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 25 kWh |
| Energy consumption (HDR) per 1000 hours | 34 kWh |
| Weight & dimensions | |
| Height (without stand) | 369.2 mm |
| Depth (without stand) | 66.5 mm |
| Width (without stand) | 610.3 mm |
| Width (with stand) | 613 mm |
| Depth (with stand) | 168.7 mm |
| Height (with stand) | 509.4 mm |
| Weight (with stand) | 7.44 kg |
| Weight (without stand) | 5 kg |
| Package width | 860 mm |
| Package depth | 163 mm |
| Package height | 500 mm |
| Package weight | 10.3 kg |
| Packaging data | |
| Package width | 860 mm |
| Package depth | 163 mm |
| Package height | 500 mm |
| Package weight | 10.3 kg |
| Package type | Box |
| Sustainability | |
| Sustainability certificates | Forest Stewardship Council (FSC) Mix |
| Other features | |
| Display viewable area (HxV) | 589.97 x 332.93 mm |
| DCI-P3 coverage | 99% |
| Brand specific technologies | ASUS OLED Care |
| Motion blur reduction | Yes |
| Height (without stand) | 369.2 mm |
| Depth (without stand) | 66.5 mm |
| Width (without stand) | 610.3 mm |
| HDMI | Yes |
| USB Power Delivery up to | 90 W |
| Energy efficiency scale | A to G |
| USB Type-C DisplayPort Alternate Mode | Yes |
| Display brightness (peak) | 1000 cd/m² |
| Touchscreen | No |
| USB Power Delivery (USB PD) | Yes |
| Package type | Box |
| Identifiers | |
| Distributor SKUs | 11758482, 126702, 90LM0B20-B01971, 554835, 552899, STD10221026, 2012339, CLXG27UCDMG, 20325730000 |
| Additional EANs | 0197105815285 |
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