ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 2
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 3
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 4
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 5
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 6
ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible, photo 7
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ASUS

ASUS ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible

SKU HC-915444MPN 90LM0CW0-B01971

  • 27" QD OLED
  • UHD 3840×2160
  • 240 Hz

Highlights

  • 26.5-inch QD-OLED panel with 3840 x 2160 resolution
  • 240 Hz refresh rate and 0.03 ms gray-to-gray response
  • G-SYNC Compatible and FreeSync Premium Pro support
  • HDMI 2.1, DisplayPort 1.4, and USB-C connectivity
  • VESA DisplayHDR True Black 400 with 1000 cd/m² peak brightness
  • Height, swivel, tilt, and pivot adjustments with 100x100 VESA mount

Key specs

Size
27"
Resolution
UHD 3840×2160
Refresh rate
240 Hz
Panel
QD OLED
Format
Standard 16:9
Curved
No
All specifications
$769.99 $829.99Save $60.00
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In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $89.80 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Manufacturer warranty: 3 years
  • 30-day returns Unused items in original packaging
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Overview

A 26.5-inch QD-OLED gaming monitor delivering 4K resolution at 240Hz with 0.03ms response time. Built for competitive players and enthusiasts who need high motion clarity and deep contrast.

Panel and image quality

The 26.5-inch QD-OLED panel produces true blacks and a 1,500,000:1 static contrast ratio. It covers 99% of the DCI-P3 color space with 10-bit color depth for accurate, vivid reproduction.

Motion performance

A 240 Hz refresh rate pairs with a 0.03 ms gray-to-gray response time to minimize motion blur. Adaptive Sync works with both NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro for tear-free gameplay.

Connectivity and ergonomics

Video inputs include two HDMI 2.1 ports and one DisplayPort 1.4. A USB-C port and two USB 3.2 Type-A ports handle data and peripherals. The stand adjusts 110 mm in height, swivels ±45°, tilts -5° to 20°, and supports pivot.

HDR and additional features

VESA DisplayHDR True Black 400 certification enables a peak brightness of 1000 cd/m² in HDR. The glossy, non-reflective screen surface reduces glare. No built-in speakers are included.

ROG Strix OLED XG27UQDMS 26.5-inch 4K Gaming Monitor 240Hz OLED G-SYNC Compatible specifications

General
BrandASUS
Manufacturer part no.90LM0CW0-B01971
EAN4711636314350
Warranty3 years (manufacturer)
External Ports
Display ConnectorsDisplayPort (1x), HDMI (2x)
Display Connector StandardsDisplayPort 1.4, HDMI 2.1
USB HubYes
Standards / Specifications
Adaptive Sync Technology (G-SYNC / FreeSync)AMD FreeSync Premium Pro, NVIDIA G-SYNC Compatible
Standard / specificationDisplayPort 1.4, HDMI 2.1
Connectivity
Peripheral connectors3.5 mm jack 3-pole, TRS (1x), USB 3.2 Typ-A (2x)
Ergonomics
Height adjustmentYes
Min. Adjustable Height0 mm
Max. Adjustable Height110 mm
Min. Swivel-45 °
Max. Swivel45 °
Min. Tilt-5 °
Max. Tilt20 °
PivotYes
Mounting
Vesa standard100 x 100 mm
Speakers
SpeakersNo
Efficiency Class
EU Energy Efficiency ClassF
EU Energy Efficiency Class HDRG
UK Energy Efficiency ClassF
UK Energy Efficiency Class HDRG
Display
Display Size in Inch27 "
Display ResolutionUHD (3840 x 2160 Pixel)
Display Aspect Ratio16:9
Display Refresh Rate240 Hz
Display Panel TypeQD OLED
Color depthmax. 1.07 billion colours (10 bit)
Color Space (DCI-P3)99 %
Contrast Ratio (Static)1,500,000:1
Curved DisplayNo
Display Response Time0.03 ms
Display Response Time (Gray-to-Gray)0.03 ms
HDRYes
HDR StandardVESA DisplayHDR True Black 400
Screen Brightness HDR1000 cd/m²
Viewing angle178° horizontal / 178° vertical
Display Surface Typeglossy / non-reflective
Lighting
Lighting / RGBNo
Color
Primary ColorBlack
Dimensions
Length / Depth169 mm
Width611 mm
Height503 mm
Width (without stand)611 mm
Depth (without stand)67 mm
Height (without stand)370 mm
Weight6.1 kg
Weight (without stand)4 kg

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $89.80DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2Free
Other EU countriesDHL Parcel International2–8Free
UK, Switzerland and NorwayDHL Parcel International3–7$14.90
United States and CanadaDHL Express Worldwide2–5$89.80
Asia and the Middle EastDHL Express Worldwide2–5$119.80
Australia and New ZealandDHL Express Worldwide3–6$139.80
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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