RATED
Excellent
9.8/10
34.18″ Asus ROG Strix OLED XG34WCDMS – Full Specifications
Ultrawide racing and flight-sim fans who want OLED contrast will want to see the Asus ROG Strix OLED XG34WCDMS.
Asus●Monitor
Display
34.18 in, QD-OLED, 3440 x 1440 pixels
34.18
Refresh Rate
48 Hz - 280 Hz
48 Hz
Brightness
300 cd/m²
300 cd
Contrast Ratio
1500000 : 1
1500000
Overview
Ultrawide racing and flight-sim fans who want OLED contrast will want to see the Asus ROG Strix OLED XG34WCDMS. The 34.18-inch QD-OLED screen runs 3440 × 1440 at 109 ppi and up to 280 Hz, with a 0.03 ms response, 300 nits typical brightness and 99% DCI-P3 coverage. FreeSync Premium Pro and G-Sync Compatible are supported. Two HDMI 2.1 ports, a DisplayPort 1.4, a USB-C connector and three USB-A ports provide plenty of connections. It weighs 7.4 kg with the stand and 5.2 kg without.
- 34.18-inch QD-OLED, 3440 × 1440, 109 ppi
- 280 Hz refresh rate, 0.03 ms response
- 10-bit, 99% DCI-P3, 300 nits
- 2× HDMI 2.1, DisplayPort 1.4, USB-C
- 3 USB-A, 7.4 kg with stand
Pros & Cons
Pros
- 280 Hz with 0.03 ms feels instant
- Ultrawide format immerses you in racing games
- 99% DCI-P3 keeps colours rich and accurate
- Three USB-A ports cover all everyday accessories
- Bare weight of 5.2 kg eases mounting
Cons
- This monitor ships without any built-in audio
- DisplayPort stays at version 1.4 only
- Long-term burn-in precautions apply to OLED panels
- Typical 300 nits is dim for sunlight
Score & Ratings
9.8/10
Excellent
Model Information
13
| Specification | Value |
|---|---|
| Brand | ASUS |
| Series | ROG Strix |
| Model | ROG Strix OLED XG34WCDMS |
| Model Alias | ROG Strix OLED XG34WCDMS |
| Full Product Name | ASUS ROG Strix OLED XG34WCDMS |
| Model Year | 2026 |
| Monitor Type | Gaming Monitor |
| Market Position | Upper-Mid to High-End Gaming |
| Primary Use | Competitive & Immersive Gaming |
| 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 |
Display & Panel
16
| Specification | Value |
|---|---|
| Screen Size | 34.18 in |
| Exact Diagonal | 868.16 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 | 88.88 % |
| Panel Type | QD-OLED |
| Panel Technology | OLED |
| Panel Manufacturer | Samsung Display |
| OLED Technology | QD-OLED |
| OLED Generation | 4th Gen QD-OLED |
| Self-Emissive Display | Yes |
| Quantum Dot | Yes |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte (3H) / EL Gen 3 technology / Black Shield Film |
34.2" Display Size (86.8 cm) 21:9
Resolution & Pixel Details
4
| Specification | Value |
|---|---|
| Native Resolution | 3440 x 1440 pixels |
| Pixel Density | 109 ppi / 42 ppcm |
| Pixel Pitch | 0.231 mm (0.01 in) |
| Subpixel Layout | V-Stripe (RGB Stripe) sub-pixel layout |
Resolution at a Glance
Picture Quality & Color
12
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits |
| FRC | No |
| Display Colors | 1073741824 colors / 30 bits |
| Typical Brightness | 300 cd/m² |
| Peak Brightness | 1300 cd/m² |
| Static Contrast Ratio | 1500000 : 1 |
| Horizontal Viewing Angle | 178 ° |
| Vertical Viewing Angle | 178 ° |
| HDR Support |
|
| HDR10 | Yes |
| sRGB Coverage | 135 % |
| DCI-P3 Coverage | 99 % |
DESK DISTANCE FIT
65cm
CompactIdeal FitWideUltra-Wide
Fills more of your view — great for productivity, may need slight head turns toward the edges.
Refresh Rate, Response & Gaming
12
| Specification | Value |
|---|---|
| Native Refresh Rate | 280 Hz |
| Refresh Rate Range | 48 Hz - 280 Hz |
| Minimum Response Time | 0.03 ms |
| 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 |
Ports & Connectivity
13
| Specification | Value |
|---|---|
| HDMI Ports |
|
| HDMI Version | 2.1 |
| HDMI FRL | Yes |
| DisplayPort Input | 1 |
| DisplayPort Version | 1.4 |
| USB-C Video Input | 1× USB-C |
| Display Stream Compression | Yes |
| USB-C Data Speed | 5 Gbps (USB 3.2 Gen 1) |
| USB-C Power Delivery | 15W |
| USB-A Ports |
|
| KVM Switch | Yes |
| Audio Output | 3.5 mm |
| Headphone Output | 3.5 mm Audio Out |
Ports & Connections
Audio, Camera, Network & Smart Features
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Ergonomics & Stand
14
| 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 | 3 ° |
| Backward Tilt | 20 ° / 1 / 4" Tripod Socket |
| Swivel Adjustment | Yes |
| Left Swivel | 30 ° |
| Right Swivel | 30 ° |
| Portrait Mode | No |
| Security Lock | Yes |
| Anti-Theft Lock | Kensington Lock |
Dimensions, Weight & Design
4
| Specification | Value |
|---|---|
| Dimensions Without Stand | 812.8 mm x 373.3 mm x 107.9 mm (W x H x D) |
| Weight With Stand | 7.4 kg |
| Weight Without Stand | 5.2 kg |
| RGB Lighting | Yes |
Power & Operating Conditions 13
| Specification | Value |
|---|---|
| Power Input | 100 V - 120 V / 220 V - 240 V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Average Power Consumption | 85 W |
| Sleep Consumption | 0.5 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0 °C - 40 °C / 32 °F - 104 °F |
| Operating Humidity | Not specified |
| 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 |
Eye Care, Protection & Additional Features
13
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| Proximity Sensor | Yes |
| OLED Protection | Yes |
| OLED Care | 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 |
| 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 500 True Black |
| VESA AdaptiveSync | Display 280Hz |
Included Accessories
4
| Specification | Value |
|---|---|
| HDMI Cable | HDMI cable |
| DisplayPort Cable | DisplayPort cable |
| USB-C Cable | USB Type-C cable |
| USB Upstream Cable | USB 3.2 cable |
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Daily₹0.72
Monthly₹21.60
Annually₹263
Draws less power than 83% of the 701 comparable displays we track.