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ASUS 34" OLED - ROG Strix XG34WCDG UltraWide WQHD PC Monitor - 3440 x 1440 pixels - 0.03 ms (grey to grey) - 21/9 - Curved OLED Panel - 175 Hz - HDR 400 True Black - FreeSync Premium Pro / G-SYNC Compatible - DisplayPort/HDMI/USB-C - Height Adjustable - Black
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Review ASUS 34" OLED - ROG Strix XG34WCDG
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ASUS 34" OLED - ROG Strix XG34WCDG

UltraWide WQHD PC Monitor - 3440 x 1440 pixels - 0.03 ms (grey to grey) - 21/9 - Curved OLED Panel - 175 Hz - HDR 400 True Black - FreeSync Premium Pro / G-SYNC Compatible - DisplayPort/HDMI/USB-C - Height Adjustable - Black

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819€95
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Overview

34" curved OLED screen in 21:9 format

The ASUS ROG Strix OLED XG34WCDG combines extreme performance, a high-end panel and innovative features. Its ultra-wide curved design and QD-OLED technology immerse you in total immersion, while its intelligent tools protect your screen over time.

Picture quality and fluidity

With its 34-inch QD-OLED panel featuring 3440 × 1440 resolution and 1800R curvature, the XG34WCDG delivers enhanced immersion worthy of the cinema. Its 175 Hz refresh rate combined with an ultra-fast response time of 0.03 ms (greyscale) ensures smooth, responsive images with no motion blur, enhanced by exclusive Extreme Low Motion Blur technology.

For designers, photographers or videographers, 99.3% coverage of the DCI-P3 gamut, true 10-bit colour and a delta E < 2 ensure exemplary colour fidelity. Finally, G-SYNC and AMD FreeSync Premium Pro compatibility guarantees stable, tear-free rendering, even in the most intense action scenes.

Comfort and modern connectivity

To ensure the longevity of the OLED panel, ASUS has equipped this model with the OLED Care Pro suite: the Neo proximity sensor detects your absence and triggers a black screen to avoid the risk of screen burn-in. You'll also benefit from a customised heatsink, optimised internal airflow, uniform brightness adjustment and intuitive DisplayWidget Center software to manage all settings via mouse.

In terms of ergonomics, the USB-C socket with 15W PD, integrated tripod socket for efficient streaming, space-saving base, height/tilt/rotation adjustment and VESA 100×100 support ensure a smooth, customisable installation.

Key features:

  • 34" QD-OLED panel with 3440 x 1440 pixel resolution and max. frequency of 175 Hz
  • DisplayHDR 400 True Black: up to 1000 cd/m² brightness
  • 99.3% DCI-P3 coverage: rich, faithful colours
  • 1,500,000:1 contrast ratio for perfect blacks
  • NVIDIA G-SYNC & AMD FreeSync Premium Pro compatibility
  • Anti-flicker and blue light reduction technologies
  • Modern connectivity: 2 HDMI 2.1, DisplayPort 1.4, USB-C PD 15 W
  • Ergonomic design: tilt, swivel and height adjustment (over 80 mm)
  • Mounting VESA 100 x 100 mm
Specifications
Select your criteria

General information

Product name

 ASUS 34" OLED - ROG Strix XG34WCDG

Brand

 ASUS

Model

 90LM0B70-B01171

Display

Screen size

 34 inches

Screen format

 21:9

Panel type

 OLED display

Max resolution

 3440 x 1440 pixels

High definition

 UltraWide WQHD

Dot Pitch

 0.232 mm

Brightness

 1000 cd/m²

Contrast

 1500000 /1

Response time

 0.03 ms

Angle of vision (horizontal)

 178 Degree(s)

Angle of vision (vertical)

 178 Degree(s)

Matte/anti-glare panel

 Yes

HDR (High Dynamique Range)

 Yes

HDR standards

 VESA DisplayHDR 400 True Black

NVIDIA G-SYNC

 Yes

G-SYNC

 G-SYNC compatible

NVIDIA Reflex

 No

Adaptive-Sync

 Yes

AMD FreeSync

 Yes

FreeSync

 AMD FreeSync Premium Pro

Flicker-Free

 Yes

Anti blue light

 Yes

Screen

Screen type

 OLED

Range

 ASUS ROG

Widescreen

 Yes

Curved screen

 Yes

Monitor curvature

 1800R

Borderless

 Yes

Touch screen

 No

Max vertical frequency

 175 Hz

Type of activities

 Gamer

Ergonomics

Portable

 No

Pivot

 No

Height adjustable stand

 Yes

Removable stand

 Yes

VESA mount

 100 x 100mm

Back tilt angle (top)

 20 Degree(s)

Forward tilt angle (bottom)

 5 Degree(s)

Articulating arm

 No

Connectivity

Video inputs

 1 X DisplayPort Female
2 X HDMI Female
1 X USB Type C Female

HDMI standard

 HDMI 2.1

DisplayPort standard

 DisplayPort 1.4

Audio input

 None

Audio outputs

 3.5mm Jack Female Stereo

Additional connector(s)

 2 X USB 3.0

Dock USB-C

 No

Multimedia

Built-in speakers

 No

Webcam

 No

TV tuner

 No

Physical characteristics

Color

 Black

Release year

 2025

Width

 812 mm

Height

 545.5 mm

Depth

 199 mm

Height (without stand)

 380 mm

Depth (without stand)

 108 mm

Weight

 8.3 kg

Weight (Without stand)

 6.2 kg

Multi-monitor bundle

 No

Power supply

Energy class

 F

Consumption

 32 kWh/1000h

Standby consumption

 0.3 W

Internal power supply

 No

Specificities

PS5 optimized

 No

Xbox Series optimized

 No

Warranties

Commercial warranty
Seller 5 years

Legal warranty
See terms & conditions

Safety Information

Responsible person

 ASUS Computer GmbH

Postal address

 Harkort STR. 21-23, 40880 RATINGEN, GERMANY

Electronic Address

 ProducSafety@asus.com

See all ASUS products

See ASUS PC monitor section

Product referenced on 24 Nov 2025

Customer review
Global rating
10/10
based on 1 review Editorial and moderation guide
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  • by KEVIN G
    Posted on 17 Jan 2026
    Bought on 8 Jan 2026 from LDLC
    Number of reviews: 12 Average rating: 9

    At the top

    Superb screen, you can feel the high-end ROG quality from Asus. The display quality is excellent, and the menu is well designed with lots of options and settings. The OLED gives superb colours, and the fluidity in games is really good. The presence sensor is very useful because OLED doesn't cope well with being left on a still image for too long. It should be noted that if I had to mention a flaw, but it's more inherent to OLED, it's that you have to "clean the pixels" every 8 hours, which takes 6 minutes if you do it manually but happens automatically when you turn off the screen. But the final quality is well worth this minor inconvenience :).

    Review automatically translated
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