
34.18″ Asus ROG Strix OLED XG34WCDMTG – Specs & Features
The Asus ROG Strix OLED XG34WCDMTG pairs a 34.18-inch QD-OLED panel at 3440 × 1440 with a refresh rate of up to 240 Hz.
Overview
The Asus ROG Strix OLED XG34WCDMTG pairs a 34.18-inch QD-OLED panel at 3440 × 1440 with a refresh rate of up to 240 Hz. It offers 109 ppi pixel density, 250 nits typical brightness (1000 nits peak) and 99% DCI-P3 coverage. Variable refresh covers 48–240 Hz, quotes 0.03 ms response and supports FreeSync Premium Pro and G-Sync. Inputs include 2× HDMI 2.1, 1× DisplayPort 1.4, USB-C 90 W and 2× USB-A. The stand offers 110 mm of height adjustment and swivel. 2 × 5 W speakers are built in, and it weighs 8.8 kg with the stand. It suits players who want OLED contrast with very fast response. The main trade-off: 250 nits typical SDR brightness is lower than many LCD rivals.
- 34.18-inch QD-OLED, 3440 × 1440 at 109 ppi
- 48–240 Hz, 0.03 ms response, FreeSync Premium Pro and G-Sync
- 250 nits (1000 peak), near-infinite OLED contrast, 99% DCI-P3, DisplayHDR 400 True Black
- 2× HDMI 2.1, 1× DisplayPort 1.4, USB-C 90 W, 2× USB-A
- 110 mm height, swivel, 2 × 5 W speakers, 8.8 kg
Pros & Cons
- 240 Hz refresh delivers top-tier motion clarity for competitive play
- USB-C with 90 W power delivery charges a laptop over a single cable
- 0.03 ms response leaves very little pixel blur in motion
- QD-OLED panel gives per-pixel black levels and strong contrast
- Built-in KVM switch shares one keyboard and mouse between two computers
- 250 nits typical SDR brightness is lower than many LCD rivals
- OLED carries burn-in risk with static desktop elements
- No pivot, so no portrait mode for long documents
- At 34.18 inches it takes up a lot of desk space
Score & Ratings
| Specification | Value |
|---|---|
| Brand | ASUS |
| Series | ROG Strix |
| Model | ROG Strix OLED XG34WCDMTG |
| Full Product Name | ASUS ROG Strix OLED XG34WCDMTG |
| Model Year | 2025 |
| Monitor Type | Gaming Monitor |
| Market Position | Upper-Mid to High-End Gaming |
| Primary Use | Competitive & Immersive Gaming |
| Launch Status | 2025 |
| Available Colors | Black |
| Warranty | 3 years (36 months) standard limited warranty from date of purchase |
| Panel Warranty | 3 years |
| Burn-In Warranty | 3 years (36 months) OLED panel burn-in coverage on most models |
| Specification | Value |
|---|---|
| Screen Size | 34.18 in |
| Exact Diagonal | 868.162 mm (34.18 in) |
| Radius of Curvature | 1800 mm (70.87 in) |
| Aspect Ratio | 2.389:1 |
| Active Display Width | 800.06 mm (31.50 in) |
| Active Display Height | 337.06 mm (13.27 in) |
| Display Area | 92.9 % (percent) |
| Panel Type | QD-OLED (Samsung) |
| Panel Technology | OLED |
| Panel Manufacturer | Samsung |
| OLED Technology | QD-OLED |
| Backlight Type | Self-emissive (no backlight — OLED) |
| Self-Emissive Display | Yes |
| Quantum Dot | Yes |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte |
34.2" Display Size (86.8 cm) 21:9
| Specification | Value |
|---|---|
| Native Resolution | 3440 x 1440 pixels |
| Pixel Density | 109 ppi / 42 ppcm |
| Pixel Pitch | 0.232 mm (millimeters) |
Resolution at a Glance
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits |
| FRC | No |
| Display Colors | 1073741824 colors / 30 bits |
| Typical Brightness | 250 cd/m² |
| Peak Brightness | 1000 cd/m² |
| Static Contrast Ratio | 1500000 : 1 |
| Horizontal Viewing Angle | 178 ° |
| Vertical Viewing Angle | 178 ° |
| HDR Support |
|
| HDR10 | Yes |
| Dolby Vision | Yes |
| Global Dimming | Yes |
| DCI-P3 Coverage | 99% |
| Color Adjustment | Yes |
Fills more of your view — great for productivity, may need slight head turns toward the edges.
| Specification | Value |
|---|---|
| Native Refresh Rate | 240 Hz |
| Refresh Rate Range | 48 Hz - 240 Hz |
| Minimum Response Time | 0.03 ms |
| Adaptive-Sync |
|
| AMD FreeSync | Premium Pro |
| NVIDIA G-Sync | Compatible |
| Motion Blur Reduction | ELMB |
| Shadow Boost | Yes |
| Crosshair | Yes |
| Dynamic Crosshair | Yes |
| AI Gaming Features |
|
| GameFast Input | Yes |
| GameVisual | Yes |
| Picture-by-Picture | Yes |
| Specification | Value |
|---|---|
| HDMI Ports |
|
| HDMI Version | 2.1 |
| DisplayPort Input | 1 |
| DisplayPort Version | 1.4 |
| USB-C Video Input | Yes |
| DisplayPort Alt Mode | Yes |
| Display Stream Compression | Yes |
| USB-C Data Speed | 5 Gbps (USB 3.2 Gen 1) |
| USB-C Power Delivery | 90W |
| USB-A Ports |
|
| KVM Switch | Yes |
| Audio Output | 3.5 mm |
| Headphone Output | 3.5 mm Audio Out |
Ports & Connections
| Specification | Value |
|---|---|
| Built-In Speakers | 2 x 5 W / Dolby Atmos |
| Built-In Camera | No |
| Operating System | Google TV (Android 14) |
| LAN |
|
| Multi-View | Yes |
| Specification | Value |
|---|---|
| VESA Mount | 100 x 100 mm |
| VESA Size | 100 x 100 mm |
| Removable Stand | Yes |
| Height Adjustment | 110 mm |
| Height Adjustment Range | 110 mm (4.33 in) |
| Tilt Adjustment | Yes |
| Forward Tilt | 5 ° |
| Backward Tilt | 20 ° / 1 / 4" Tripod Socket |
| Swivel Adjustment | Yes |
| Left Swivel | 25 ° |
| Right Swivel | 25 ° |
| Portrait Mode | No |
| Security Lock | Yes |
| Anti-Theft Lock | Kensington Lock |
| Specification | Value |
|---|---|
| Dimensions With Stand | 811.7 mm x 435.2 mm x 199.2 mm (W x H x D) |
| Dimensions Without Stand | 811.7 mm x 357.6 mm x 108.4 mm (W x H x D) |
| Weight With Stand | 8.8 kg (19.4 lbs) |
| Weight Without Stand | 6.2 kg (13.67 lbs) |
| Stand Depth | 199 mm (7.83 in) |
| RGB Lighting | Yes |
Power & Operating Conditions 13
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Average Power Consumption | 41.5 W |
| Sleep Consumption | 0.5 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0 °C - 40 °C / 32 °F - 104 °F |
| Operating Humidity | 20 % - 80 % |
| Operating Altitude | 3658 m / 12001.3 ft |
| Storage Temperature | -20 °C - 60 °C / -4 °F - 140 °F |
| Storage Humidity | 20 % - 80 % |
| Storage Altitude | 12192 m / 40000 ft |
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| Proximity Sensor | Yes |
| OLED Protection | Yes |
| OLED Care | Yes |
| Pixel Refresh | Yes |
| Static Logo Detection | Yes |
| Screen Saver | Yes |
| Burn-In Protection | Yes (ASUS OLED Care / OLED Care Pro) |
| Thermal Management | Yes |
| Custom Heatsink | Yes |
| Desktop Control Software | Yes |
| Monitor Management Software | Yes |
| Screen Split | Yes |
| Aura Sync | Yes |
| Anti-Theft Slot | Yes (Kensington lock slot) |
| Additional Monitor Features |
|
Certifications, Standards & Licenses 4
| Specification | Value |
|---|---|
| TÜV Flicker-Free | Yes |
| TÜV Low Blue Light | Yes |
| VESA DisplayHDR | Display / HDR 400 True Black |
| VESA AdaptiveSync | Display 240Hz |
| Specification | Value |
|---|---|
| HDMI Cable | HDMI cable |
| DisplayPort Cable | DisplayPort cable |
Packaging Information 2
| Specification | Value |
|---|---|
| Package Dimensions | 930 mm x 515 mm x 224 mm (W x H x D) |
| Package Weight | 11.9 kg (26.24 lbs) |
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Draws more power than 53% of the 701 comparable displays we track.
