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ASUS ROG Strix 34 inch UltraWide QHD 2K 1440P 280Hz G-Sync Compatible HDR500 0.03ms USB-C OLED Curved Gaming Computer Monitor XG34WCDMS

Option: 280Hz Tandem RGB OLED

34-inch WQHD QD-OLED 1800R monitor with 280Hz refresh rate and 0.03ms GTG response time
RGB Stripe Pixel OLED panel with an RGB sub-pixel arrangement for sharp and clear text edges, accurate color reproduction, and higher-quality dynamic display performance
BlackShield film increases the panel's hardness for 2.5X better scratch resistance and boosts the perceived black level by up to 40% versus previous-gen QD-OLED panels
VESA DisplayHDR 500 True Black compliance, 99% DCI-P3 gamut, true 10-bit color, and Delta E<2 color difference for astonishing HDR performance - perfect for photo and video editing
ASUS OLED Care Pro with Neo Proximity Sensor precisely detects when a user is away and switches to a black screen to reduce the risk of burn-in
DisplayWidget Center offers auto firmware updates and makes it easy to export and import settings to any device or copy pro streamers' configurations
Extensive connectivity options include DisplayPort 1.4 DSC, HDMI 2.1, and USB-C with 15-watt Power Delivery
What's in the box: USB 3.2 cable, DisplayPort cable, Power cord, Microfiber cloth, ROG pouch, ROG sticker, VESA mount kit, Quick start guide, Warranty Card
ASUS Rapid Replacement (ARR) 3 years warranty with burn-in coverage and cross shipping service included

Specs

Reviews (6)

Learn more about the ASUS XG34WCDMS

Display
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	1300 cd/m2 (HDR, Peak)
Contrast Ratio	1,500,000:1
Response Time	0.03ms(GTG)
Display Colors	1.07 Billion
Monitor Pixel Density	0.231mm
Refresh Rate	280Hz
HDR Standard	HDR10
Curved Surface Screen	Curved
Curvature Radius	1800R

Connectivity
Video Ports	1 x DisplayPort 1.4 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
USB Ports	3 x USB 3.2 Gen 1 Type-A
Headphone	Yes

Power
Power Supply	100 - 240 VAC, 50/60Hz
Power Consumption	Power Consumption : 34W Power Saving Mode : <0.5W Power Off Mode : <0.3W

Convenience
Stand Adjustments	Height, Swivel, Tilt
Built-in Speakers	No
Built-in Webcam	No
VESA Compatibility - Mountable	100 x 100mm
Features	GamePlus Game Visual VRR Technology: FreeSync Premium Pro & G-SYNC Compatible Extreme Low Motion Blur DisplayWidget, DisplayWidget Center GameFast Input technology Shadow Boost Aspect Control KVM Switch A.I. Assistant Technology: AI Visual A.I. Assistant Technology: Dynamic Crosshair A.I. Assistant Technology: Dynamic Shadow Boost

Dimensions & Weight
Dimensions	21.47" x 32.00" x 7.10" with stand 14.70" x 32.00" x 4.25" without stand
Weight	16.31 lbs. with stand 11.46 lbs. without stand

Packaging
Package Contents	DisplayPort cable Microfiber cloth Power cord Quick start guide ROG pouch ROG sticker USB 3.2 cable VESA mount kit Warranty Card

Additional Information
First Listed on Newegg	July 21, 2026

Return for refund within: 30 days
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.