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Black 26.5 inch flat OLED gaming monitor on adjustable stand

ASUS

ASUS ROG Strix XG27AQDMES 27 inch QHD 240Hz OLED gaming monitor

SKU CH-V85B-FQG70 MPN XG27AQDMES

27-inch QHD OLED gaming monitor with 240Hz refresh rate, 0.03ms response time, and 99% DCI-P3 colour coverage

  • Screen size26.5 in (67.3 cm)
  • Display resolution2560 × 1440 (2K)
  • Refresh frequency240 Hz
  • Panel typeOLED
  • Pixel response time0.03 ms
  • HDR formatHDR10
  • 240Hz refresh rate keeps fast motion smooth
  • 03ms response time eliminates ghosting in competitive play
  • 99% DCI-P3 gamut with Delta E < 2 delivers accurate HDR colour
  • Neo Proximity Sensor blanks the screen when you step away to reduce burn-in risk
  • Height, swivel, pivot and tilt adjustments let you set the perfect viewing angle

27-inch QHD QD-OLED gaming monitor

The ASUS ROG Strix XG27AQDMES is a 26.5-inch QHD QD-OLED gaming monitor built for competitive players who demand speed and colour accuracy. Its 2560 x 1440 resolution pairs with a 240Hz refresh rate and a 0.03ms response time for motion clarity in fast titles. The panel covers 99% DCI-P3 and delivers true 10-bit colour with Delta E < 2 calibration. FreeSync Premium Pro and G-Sync Compatible adaptive sync keep frame delivery smooth.

Thermals noise and power draw

Typical power consumption stays below 25W, dropping under 0.5W in power-saving mode and under 0.3W when off. The OLED panel runs without a cooling fan, so operation is silent during normal use. An integrated Neo Proximity Sensor detects when you step away and switches the screen to a black image, reducing heat output and burn-in risk automatically. The external power supply accepts 100-240 VAC at 50/60Hz.

Bundled accessories and software

The box includes a DisplayPort 1.4 cable, two HDMI 2.1 cables, a microfibre cloth, a ROG pouch and sticker, a VESA 100 x 100mm mount kit and the quick-start guide. DisplayWidget Center lets you adjust OLED Care Pro settings and monitor parameters with a mouse instead of the OSD joystick. ROG Gaming A.I. adds AI-powered features designed to enhance the gaming experience. A complimentary three-month Adobe Creative Cloud subscription is included, valid until 08/31/2026.

How it compares

Measured against everything we stock in Monitors for Gamers, at today’s prices. Recalculated every night.

Price $401.99
Pricier than about 79% of the 839 comparable items (median $189.99).
Screen size 26.5 in (67.3 cm)
Lower than about 71% of the 814 comparable items (median 27 in).
Refresh frequency 240 Hz
Higher than about 70% of the 735 comparable items (median 180 Hz).

Specifications

Product
Brand nameASUS
Product lineROG Strix
Model nameXG27AQDMES
Part numberXG27AQDMES
Case colorBlack
Display
Screen size26.5 in (67.3 cm)
Display resolution2560 × 1440 (2K)
Refresh frequency240 Hz
Panel typeOLED
Pixel response time0.03 ms
HDR formatHDR10
Image brightness200 cd/m2
Screen curvatureFlat Panel
Widescreen formatYes
Screen finishAnti-glare
Display formatQHD
Variable refresh rateFreeSync Premium Pro & G-Sync Compatible
Viewing angles178° (H) / 178° (V)
Screen ratio16:9
Contrast1,500,000:1
Color gamut coverageDCI-P3 99%
Colors displayed1.07 Billion
Pixel pitch0.229 mm
Audio & video
Integrated speakersNo
Integrated webcamNo
Ports & slots
HDMI ports2 x HDMI 2.1
DisplayPort connectors1 x DisplayPort 1.4
Video connectors1 x DisplayPort 1.4 / 2 x HDMI 2.1
Headphone jack1 x Earphone Jack
Power
Power draw< 25 W
Power Saving Mode : < 0.5 W
Power Off Mode : <0.3 W
Power supply100–240 VAC, 50/60 Hz
Size & build
Stand adjustabilityT
VESA mounting pattern100 × 100 mm
Product dimensions19.8 in × 24.06 in × 7.4 in with stand
14.57 in × 24.06 in × 2.72 in without stand
Product weight14.99 lb with stand
10.8 lb without stand
Shipping weight9.39 kg
Package size775 × 470 × 188 mm
In the box
In the boxDisplayPort cable
HDMI cable
Microfiber cloth
Quick start guide
ROG pouch
ROG sticker
VESA mount kit
Warranty Card

Questions about this item

How do I set up the height-adjustable, swivel, pivot and tilt stand and what step do people miss?

Attach the stand neck to the monitor arm using the quick-release latch, then secure the base with the captive thumbscrew; the step often missed is locking the latch fully until it clicks before tightening the thumbscrew.

What maintenance will the QD-OLED panel need over time?

The built-in OLED Care Pro with Neo Proximity Sensor runs automatic pixel cleaning and screen-saver cycles when you step away; run a manual pixel refresh from the OSD or DisplayWidget Center after extended static content.

What limit appears first during long gaming sessions at 240 Hz?

The 200 cd/m² peak brightness caps HDR highlight detail before thermal throttling becomes a factor.

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