ASUS ROG Strix OLED XG27AQDMG computer monitor 67.3 cm (26.5") 2560 x 1440 pixels Quad HD Black

ASUS

ASUS ROG Strix OLED XG27AQDMG computer monitor 67.3 cm (26.5") 2560 x 1440 pixels Quad HD Black

Name: ASUS ROG Strix OLED XG27AQDMG computer monitor 67.3 cm (26.5") 2560 x 1440 pixels Quad HD Black
Brand: ASUS

240 Hz display with a 0.03 ms response time

Manufacturer reference 90LM0AH0-B01A70

66 /100 Its best score: the most responsive screen, rated "very responsive" on its category’s scale.

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What the ASUS ROG Strix OLED XG27AQDMG computer monitor 67.3 cm (26.5") 2560 x 1440 pixels Quad HD Black is worth

The ASUS XG27AQDMG is a 26.5-inch PC monitor listed under computing peripherals, featuring a 240 Hz refresh rate and a 0.03 ms response time.

Its fluidity score reaches 90/100, driven by a 240 Hz refresh rate against a market median of 100 Hz. Responsiveness scores 95/100 thanks to a 0.03 ms response time, well below the 4 ms median. Brightness, however, sits at 58/100 with 275 cd/m² against a 300 cd/m² median, and color scores 20/100 with a contrast ratio of 1.073 against a 16.7 median. Screen size scores 68/100 at 26.5 inches, below the 27-inch median. Overall score stands at 66/100.

The panel covers 99% of the sRGB color space and 135% of NTSC, with 10 bit support and viewing angles of 178° horizontal and vertical. Connectivity includes two HDMI ports, two DisplayPort inputs, one USB-C port and a 3.5mm headphone jack.

This model suits use cases where display speed matters most, offering a high refresh rate and fast response time for this market, at the cost of more modest brightness and color performance.

What the spec sheet says

67.3 cm (26.5") Black
Height adjustment 12 cm
HDMI HDMI version: 2.0 DisplayPorts quantity: 1 DisplayPort version: 1.4
Screen shape: Flat
Maximum refresh rate: 240 Hz Response time: 0.03 ms
2560 x 1440 pixels Quad HD Panel type: WOLED
Energy efficiency class (SDR): F

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Responsiveness Very responsive

0 ms · category median: 5 ms

Smoothness Very smooth

240 Hz · category median: 120 Hz

Screen size Comfortable

26.5 " · category median: 27 "

Brightness Low

275 cd/m² · category median: 300 cd/m²

Colours Basic

1.1 · category median: 16.7

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Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

EU Energy Label PDF 74.8 KB Document PDF 94.8 KB Manual PDF 4.2 MB

Specifications

Display 28

Display diagonal 67.3 cm (26.5")

Display resolution 2560 x 1440 pixels

HD type Quad HD

Native aspect ratio 16:9

Display technology OLED

Panel type WOLED

Touchscreen No

Response time 0.03 ms

Screen shape Flat

Contrast ratio (typical) 1500000:1

Maximum refresh rate 240 Hz

Display number of colours 1.073 billion colours

Display brightness (peak) 450 cd/m²

Display brightness (typical) 275 cd/m²

Display surface Gloss

Viewing angle, horizontal 178°

Viewing angle, vertical 178°

Pixel pitch 0.229 x 0.229 mm

Viewable size, horizontal 59 cm

Viewable size, vertical 33.4 cm

Digital horizontal frequency 30 - 390 kHz

Digital vertical frequency 40 - 240 Hz

High Dynamic Range (HDR) supported Yes

High Dynamic Range (HDR) technology High Dynamic Range 10 (HDR10)

Colour depth 10 bit

Colour gamut standard DCI-P3

Colour gamut 99%

sRGB coverage (typical) 135%

Performance 8

NVIDIA G-SYNC Yes

AMD FreeSync Yes

NVIDIA G-SYNC type G-SYNC Compatible

AMD FreeSync type FreeSync Premium

VESA Adaptive Sync support Yes

Flicker-free technology Yes

Low Blue Light technology Yes

Game mode Yes

Multimedia 2

Built-in speaker(s) No

Built-in camera No

Design 4

Market positioning Gaming

Product colour Black

Detachable stand Yes

Feet colour Black

Ports & interfaces 13

Built-in USB hub Yes

HDMI Yes

Headphone out Yes

USB hub version 3.2 Gen 1 (3.1 Gen 1)

HDMI ports quantity 2

HDMI version 2.0

DisplayPorts quantity 1

DisplayPort version 1.4

Headphone outputs 1

Headphone connectivity 3.5 mm

HDCP Yes

HDCP version 2.2

DC-in jack Yes

Ergonomics 12

VESA mounting Yes

Cable lock slot Yes

Height adjustment Yes

Panel mounting interface 100 x 100 mm

Cable lock slot type Kensington

Adjustable height (max) 12 cm

Pivot Yes

Pivot angle -90 - 90°

Swivelling Yes

Swivel angle range -45 - 45°

Tilt adjustment Yes

Tilt angle range -5 - 20°

Power 12

Energy efficiency class (SDR) F

Energy efficiency class (HDR) F

Energy consumption (SDR) per 1000 hours 24 kWh

Energy consumption (HDR) per 1000 hours 26 kWh

Power consumption (typical) 25 W

Power consumption (standby) 0.3 W

Power consumption (off) 0.2 W

Power consumption (PowerSave) 0.5 W

AC input voltage 100 - 240 V

AC input frequency 50/60 Hz

Power supply type External

Energy efficiency scale A to G

Weight & dimensions 8

Width (with stand) 605 mm

Depth (with stand) 219 mm

Height (with stand) 508 mm

Weight (with stand) 6.7 kg

Width (without stand) 605 mm

Depth (without stand) 50 mm

Height (without stand) 368 mm

Weight (without stand) 4.2 kg

Packaging data 1

Package weight 9.5 kg

Packaging content 1

Stand included Yes

Other features 3

Brand specific technologies ASUS OLED Care

Shadow control Yes

Certification TÜV Flicker-free TÜV Low Blue Light (Hardware Solution) VESA AdaptiveSync Display 240Hz VESA DisplayHDR 400 True Black AMD FreeSync Premium G-SYNC Compatible

Technical details 1

Native refresh rate 240 Hz

Who this model suits

It’s for you if

Your first criterion is the responsiveness: it happens to be its best score.

You want a good score on the smoothness, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the colour count: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

Yes, 240 Hz puts this monitor well above the market median (100 Hz), which explains its fluidity score of 90/100, the best-rated criterion on this listing.

Measured brightness is 275 cd/m² in typical use (peak of 450 cd/m²), below the market median of 300 cd/m², giving it a brightness score of 58/100, rated as low.

No, with 1.073 measured, far below the market median of 16.7, the monitor only scores 20/100 on this criterion: it is not its strong point.