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ASUS ROG Strix OLED XG27ACDMS

UK manufacturer specification

Screen diagonal
26.5 in
Native resolution
2560x1440
Maximum refresh rate
280 Hz

ROG Strix OLED XG27ACDMS monitor, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS ROG Strix OLED XG27ACDMS official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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Key strengths

Published monitor interfaces and configuration are available from the exact-model ASUS specification source.

Manufacturer source
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Before you buy

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.

Manufacturer source
Every specification. With its source.

Full specifications

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Exact configuration: UK manufacturer specification · ROG Strix OLED XG27ACDMS

14 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Screen & panel

5 items
Screen diagonal
26.5 inSource
Native resolution
2560x1440Source
Panel technology
QD-OLEDSource
Aspect ratio
16:9Source
Panel coating
Anti-ReflectionSource

Refresh & response

3 items
Maximum refresh rate
280 Hz

Manufacturer-listed maximum; input-specific signal-frequency restrictions, overclocking and source/cable requirements remain as shown in the specifications. Digital Signal Frequency : HDMI:27~255 KHz/ 48-280Hz (V) USB-C, DisplayPort: 465-465 KHz (H)/ 48-280Hz (V)

Source
Response-time claim
0.03ms(GTG)Source
Input-specific signal modes
Digital Signal Frequency: HDMI:27~255 KHz/ 48-280Hz (V) USB-C, DisplayPort: 465-465 KHz (H)/ 48-280Hz (V)Source

Colour, brightness & HDR

3 items
Declared typical brightness
250 cd/m²

Manufacturer typical claim; not measured luminance or HDR peak. Original: 250cd/㎡

Source
Contrast-ratio claim
1,500,000:1Source
Display colours
1073.7M (10 bit)Source

Inputs & connections

1 item
Inputs and versions
DisplayPort 1.4 DSCx 1 HDMI (v2.1)x 1 (FRL) USB-Cx 1 (DP Alt Mode) Earphone jack: Yes USB-C Power Delivery: 15WSource

Stand & mounting

1 item
Stand and mounting details
1/4" Tripod Socket: Yes Tilt: Yes (+20° ~ -5°) Swivel: Yes (+45° ~ -45°) Pivot: Yes (+90° ~ -90°) Height Adjustment: 0~110mm VESA Wall Mounting: 100x100mm Kensington Lock: YesSource

Size, weight & build

1 item
Dimensions with supplied configuration
Phys. Dimension with stand (W x H x D): 60.9 x 44.9 x 18.8 cm (23.98" x 17.68" x 7.40")

Manufacturer estimated dimensions; original ordering, units and regional qualifications retained. See source for stand configuration.

Source
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