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27 inch matte black QD-OLED gaming monitor with thin bezels and angular stand

Acer America

Acer America UM.GXXAA.103 Predator X27U 27" QD-OLED 280Hz gaming monitor

SKU CH-VPMG-M1E88 MPN UM.GXXAA.103

A 27-inch QD-OLED gaming monitor with 2560 x 1440 resolution, 280Hz refresh rate and 0.03ms response time

  • Screen Size27"
  • Glare ScreenAnti-glare
  • PanelQD-OLED
  • Panel FinishQD-OLED
  • Display TypeWQHD
  • Adaptive Sync TechnologyFreeSync Premium Pro (AMD Adaptive Sync)

Option 27” OLED WQHD 280Hz

  • True blacks and 100,000,000:1 contrast from QD-OLED
  • 280Hz refresh and 0.03ms response eliminate motion blur
  • 99% DCI-P3 gamut with Delta E
  • VESA DisplayHDR True Black 400 with 1000 cd/m² peak
  • AMD FreeSync Premium Pro keeps HDR gameplay tear-free

Predator X27U 27" QD-OLED

The Acer Predator X27U is a 27-inch QD-OLED gaming monitor built for competitive players who need speed and colour accuracy. It combines a 2560 x 1440 resolution with a 280Hz refresh rate and AMD FreeSync Premium Pro support. The panel covers 99% of the DCI-P3 gamut and achieves Delta E<2 colour precision.

280Hz refresh with 0.03ms response

A 280Hz refresh rate shortens frame intervals for smoother motion in fast-paced titles. The 0.03ms pixel response time keeps transitions clean and reduces ghosting. Brightness reaches 250 nits typically and peaks at 1000 nits in small HDR highlights, while the 100,000,000:1 contrast ratio delivers deep blacks.

VESA DisplayHDR True Black 400 certification

The display meets VESA DisplayHDR True Black 400 requirements, confirming its ability to render true black levels and controlled highlight performance. This certification is the single specification that determines whether the monitor satisfies HDR quality expectations for gaming and content creation.

Highlights

  • True blacks and 100,000,000:1 contrast from QD-OLED
  • 280Hz refresh and 0.03ms response eliminate motion blur
  • 99% DCI-P3 gamut with Delta E
  • VESA DisplayHDR True Black 400 with 1000 cd/m² peak
  • AMD FreeSync Premium Pro keeps HDR gameplay tear-free

Specifications

BrandAcer
SeriesPredator
ModelX27U Z1bmiiprx
Part NumberUM.GXXAA.103
Screen Size27"
Glare ScreenAnti-glare
PanelQD-OLED
Panel FinishQD-OLED
Display TypeWQHD
Adaptive Sync TechnologyFreeSync Premium Pro (AMD Adaptive Sync)
Resolution2560 x 1440 (2K)
Viewing Angle178° (H) / 178° (V)
Aspect Ratio16:9
Brightness1000 cd/m2
Contrast Ratio100,000,000:1
Response Time0.03 ms
Color GamutDCI-P3 99%
Display Colors1.07 Billion
Monitor Pixel Density0.229mm
Refresh Rate280Hz
VESA Certified DisplayHDRDisplayHDR True Black 400
Curved Surface ScreenFlat Panel
HDMI2 x HDMI 2.1
DisplayPort1 x DisplayPort 1.4
Video Ports1 x DisplayPort 1.4 / 2 x HDMI 2.1
USB PortsN/A
Stand AdjustmentsErgonomic Tilt: -5° to 20°
Height Adjustment Range: 4.72"
Swivel: +/- 20°
Pivot: +/- 90°
Built-in Speakers2 x 5W
Built-in WebcamNo
VESA Compatibility - Mountable75 x 75mm
Shipping weight9.73 kg
Package size838 × 488 × 173 mm

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Questions about this item

Will the 27-inch 2560 x 1440 QD-OLED panel fit a standard 100 mm VESA arm?

The monitor uses a 100 x 100 mm VESA pattern, so any mount or arm with that spacing will attach directly.

Does the 280 Hz refresh rate and 0.03 ms response time require a specific cable or GPU output?

Use a DisplayPort 1.4 or HDMI 2.1 connection; both carry the full 280 Hz at 1440p with the panel's native 0.03 ms pixel response.

How bright does the screen get in HDR and what does the True Black 400 rating mean?

Typical brightness is 250 nits, peaking at 1000 nits on a 3 % window; VESA DisplayHDR True Black 400 certifies deep black levels and 99 % DCI-P3 colour.

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