ASUS
ASUS XG34WCDG 34" QD-OLED gaming monitor 3440x1440 175Hz
A 34-inch curved QD-OLED panel delivers 3440x1440 resolution at 175Hz with 0.03ms response time and 99.3% DCI-P3 colour
- Cabinet ColorBlack
- Bezel Design3 Sided Thin Frame
- Screen Size34"
- WidescreenYes
- PanelQD-OLED
- Adaptive Sync TechnologyFreeSync Premium Pro & G-Sync Compatible
- True 10-bit color with 99.3% DCI-P3 coverage for accurate creative work
- 175 Hz refresh rate and 0.03 ms response time for fluid motion
- QD-OLED panel delivers 1,500,000:1 contrast and 1,000 cd/m² peak brightness
- 1800R curvature on a 34-inch ultrawide for immersive viewing
- OLED Care Pro with proximity sensor reduces burn-in risk automatically
34-inch QD-OLED curved display
The ASUS XG34WCDG is a 34-inch ultrawide gaming monitor built around a QD-OLED panel with 3440 x 1440 resolution and 1800R curvature. A 175Hz refresh rate and 0.03ms response time target competitive play, while 99.3% DCI-P3 coverage and true 10-bit color suit creative workflows. VESA DisplayHDR True Black 400 certification and a 1,500,000:1 contrast ratio deliver deep blacks and 1,000 cd/m2 peak brightness.
Gamers and creators seeking contrast and speed
The 21:9 aspect ratio and wide 178-degree viewing angles benefit immersive gaming and timeline-based editing. Buyers who need higher sustained brightness for sunlit rooms or a flatter panel for precise straight-line work should consider alternative models. The 250 cd/m2 typical brightness and curved surface define the optimal viewing environment.
Cables, pouch, stickers and management software
A DisplayPort cable and USB Type-B to A cable enable video and upstream USB connectivity immediately. The bundled ROG pouch and stickers add branding, while the quick start guide and warranty card cover setup basics. DisplayWidget Center software provides mouse-driven access to OLED Care Pro functions, including the Neo Proximity Sensor that blanks the screen when you step away.
Highlights
- True 10-bit color with 99.3% DCI-P3 coverage for accurate creative work
- 175 Hz refresh rate and 0.03 ms response time for fluid motion
- QD-OLED panel delivers 1,500,000:1 contrast and 1,000 cd/m² peak brightness
- 1800R curvature on a 34-inch ultrawide for immersive viewing
- OLED Care Pro with proximity sensor reduces burn-in risk automatically
Specifications
| Brand | ASUS |
|---|---|
| Model | XG34WCDG |
| Cabinet Color | Black |
| Bezel Design | 3 Sided Thin Frame |
| Screen Size | 34" |
| Widescreen | Yes |
| Panel | QD-OLED |
| Adaptive Sync Technology | FreeSync Premium Pro & G-Sync Compatible |
| Resolution | 3440 x 1440 |
| Viewing Angle | 178° (H) / 178° (V) |
| Aspect Ratio | 21:9 |
| Brightness | 250cd/m2 (Typ.), 1,000 cd/m2 (HDR, Peak) |
| Contrast Ratio | 1,500,000:1 |
| Response Time | 0.03ms(GTG) |
| Display Colors | 1.07 Billion |
| Monitor Pixel Density | 0.232 mm |
| Refresh Rate | 175Hz |
| VESA Certified DisplayHDR | DisplayHDR True Black 400 |
| Curved Surface Screen | Curved |
| Curvature Radius | 1800R |
| Video Ports | 1 x USB-C (DP Alternative) / 2 x HDMI 2.1 |
| USB Ports | 1 x USB 2.0 Type-A / 2 x USB 3.2 Gen 1 Type-A |
| Power Supply | 100 - 240 VAC, 50/60Hz |
| Power Consumption | Power Consumption: <36W Power Saving Mode: <0.5W Power Off Mode: <0.3W |
| Stand Adjustments | Tilt: Yes (+20° ~ -5°) Swivel: Yes (+25° ~ -25°) Height Adjustment: 0~110mm |
| Built-in Speakers | No |
| Built-in Webcam | No |
| VESA Compatibility - Mountable | 100 x 100mm |
| Features | GamePlus: Yes Game Visual: Yes VRR Technology: Yes (Adaptive-Sync) Extreme Low Motion Blur: Yes DisplayWidget: Yes, DisplayWidget Center GameFast Input technology: Yes Shadow Boost: Yes Aspect Control: Yes KVM Switch: Yes A.I. Assistant Technology: AI Visual A.I. Assistant Technology: Dynamic Crosshair A.I. Assistant Technology: Dynamic Shadow Boost |
| Dimensions | 21.46" x 31.97" x 7.83" with stand 14.96" x 31.97" x 4.25" without stand |
| Weight | 18.3 lbs. with stand 13.67 lbs. without stand |
| Package Contents | DisplayPort cable Power cord Quick start guide ROG pouch ROG sticker USB Type-B to A cable Warranty Card |
| Shipping weight | 11.70 kg |
| Package size | 927 × 508 × 216 mm |
Questions about this item
Will the 1800R curve and 21:9 aspect ratio fit on a standard VESA mount?
The monitor uses a 100 mm VESA pattern; the 1800R curvature and 21:9 width do not change the mounting holes, so any VESA 100 mount rated for 34-inch panels will work.
Does the 0.03 ms response time require a specific cable or GPU setting to activate?
The 0.03 ms GTG figure is a panel specification; it is achieved over DisplayPort at 175 Hz with G-Sync Compatible or FreeSync Premium Pro enabled in the driver.
What HDR brightness can I expect in real scenes versus the 1000 cd/m² peak?
Typical full-screen brightness is 250 cd/m²; the 1000 cd/m² peak applies to small highlights under DisplayHDR True Black 400, so sustained bright scenes stay near the typical level.
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