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Black 27-inch flat QD-OLED gaming monitor with thin bezels and a sturdy stand

ASUS

ASUS ROG Strix XG27ACDMS 27" 2K QD-OLED 280Hz 0.03ms gaming monitor

SKU CH-V0GT-ETBCR

A 27-inch QD-OLED panel delivers 2560 x 1440 resolution at 280Hz with a .03ms response time, G-Sync and FreeSync Premium Pro support, plus VESA DisplayHDR 400 True Black certification

  • Cabinet ColorBlack
  • Screen Size27"
  • PanelQD-OLED
  • Adaptive Sync TechnologyFreeSync Premium Pro & G-Sync Compatible
  • Maximum Resolution2560 x 1440
  • Resolution2560 x 1440 (2K)
  • Ultra-smooth motion with a 280 Hz refresh rate
  • Instant pixel response at 0.03 ms for zero blur
  • Vivid QD-OLED colour backed by 1,500,000:1 contrast
  • True black HDR certified to 400 nits peak brightness
  • Wide 178-degree viewing angles on a 27-inch 2K panel

27-inch QD-OLED for competitive gaming

The ASUS ROG Strix XG27ACDMS is a 27-inch QD-OLED panel built for competitive gaming. It targets players who need a 280 Hz refresh rate and a 0.03 ms response time at 2560 x 1440 resolution. The display covers both G-SYNC Compatible and FreeSync Premium Pro adaptive sync standards. HDR 10 and VESA DisplayHDR 400 True Black certification are included.

Upgrade from standard IPS or 144 Hz panels

This monitor replaces conventional IPS screens limited to 144 Hz or slower pixel response. The jump is worth it when motion clarity and near-instant pixel transitions matter more than static image quality. QD-OLED delivers a 1,500,000:1 contrast ratio and 1000 cd/m² peak brightness that typical LCDs cannot match. Buyers who need higher pixel density or larger screen area should look elsewhere.

Limits of DisplayPort 1.4 and HDMI 2.1 bandwidth

The single DisplayPort 1.4 and HDMI 2.1 inputs cap the signal at 2560 x 1440 280 Hz with 10-bit colour. Driving higher resolutions or refresh rates would require a newer interface revision not present on this model. USB display connection is offered as an alternative path but shares the same bandwidth ceiling. The 178-degree viewing angles remain consistent across both video inputs.

Highlights

  • Ultra-smooth motion with a 280 Hz refresh rate
  • Instant pixel response at 0.03 ms for zero blur
  • Vivid QD-OLED colour backed by 1,500,000:1 contrast
  • True black HDR certified to 400 nits peak brightness
  • Wide 178-degree viewing angles on a 27-inch 2K panel

Specifications

BrandASUS
SeriesROG Strix
Cabinet ColorBlack
Screen Size27"
PanelQD-OLED
Adaptive Sync TechnologyFreeSync Premium Pro & G-Sync Compatible
Maximum Resolution2560 x 1440
Resolution2560 x 1440 (2K)
Response Time0.03 ms
Refresh Rate280Hz
ConnectorsHDMI, DisplayPort, USB
HDMI1 x HDMI 2.1
DisplayPort1 x DisplayPort 1.4
Video Ports1 x DisplayPort 1.4

Questions about this item

What VESA mount pattern does the 27-inch monitor use?

The monitor supports a 100 x 100 mm VESA mount for wall or arm installation.

Which cable must be used to reach the 280 Hz refresh rate at 2560 x 1440?

Use the DisplayPort 1.4 cable; HDMI 2.1 is limited to lower refresh rates at this resolution.

How should the QD-OLED panel be cleaned to avoid coating damage?

Gently wipe with a dry microfibre cloth; never use liquid cleaners or abrasive materials on the screen.

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