ASUS ROG Strix XG27ACS computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black

ASUS

ASUS ROG Strix XG27ACS computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black

Name: ASUS ROG Strix XG27ACS computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black
Brand: ASUS

180 Hz and 1 ms on a Fast IPS panel for very responsive gaming

Manufacturer reference 90LM09Q0-B01170

77 /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 XG27ACS computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black is worth

The ASUS ROG Strix XG27ACS is a 27 inch PC monitor with a Fast IPS panel, displaying a Quad HD resolution of 2560 x 1440 pixels in 16:9 format. It offers a maximum refresh rate of 180 Hz and a 1 ms response time, with NVIDIA G-SYNC and AMD FreeSync compatibility.

Within the monitor market, its fluidity (180 Hz versus a 100 Hz median) and responsiveness (1 ms versus 4 ms) stand out clearly, scoring 81/100 and 90/100. Its brightness of 350 cd/m² also exceeds the 300 cd/m² median, for a score of 77/100. Screen size and color performance remain around the market average.

The monitor features a stand adjustable in height over 12 cm, along with pivot, tilt and swivel functions, plus a USB type C port delivering up to 7.5 W. It also includes DisplayHDR 400 support and an anti-glare coating.

This model suits gamers seeking smooth, responsive images without sacrificing color quality, in a 27 inch format comfortable for extended use.

What the spec sheet says

68.6 cm (27") Black
Height adjustment 12 cm
HDMI HDMI version: 2.0 DisplayPorts quantity: 1 DisplayPort version: 1.4
Screen shape: Flat
Maximum refresh rate: 180 Hz Response time: 1 ms
2560 x 1440 pixels Quad HD Panel type: Fast IPS
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

1 ms · category median: 5 ms

Smoothness Smooth

180 Hz · category median: 120 Hz

Brightness Good

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

Screen size Comfortable

27 " · category median: 27 "

Colours Good

16.7 · 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 76.3 KB User manual PDF 3.6 MB EU Product Fiche PDF 56.2 KB

Specifications

Display 27

Display diagonal 68.6 cm (27")

Display resolution 2560 x 1440 pixels

HD type Quad HD

Native aspect ratio 16:9

Display technology LED

Panel type Fast IPS

Touchscreen No

Response time 1 ms

Screen shape Flat

Contrast ratio (typical) 1000:1

Maximum refresh rate 180 Hz

Display number of colours 16.7 million colours

Display brightness (peak) 400 cd/m²

Display brightness (typical) 350 cd/m²

Anti-glare screen Yes

Viewing angle, horizontal 178°

Viewing angle, vertical 178°

Pixel pitch 0.233 x 0.233 mm

Viewable size, horizontal 59.7 cm

Viewable size, vertical 33.6 cm

Digital horizontal frequency 30 - 255 kHz

Digital vertical frequency 48 - 180 Hz

High Dynamic Range (HDR) supported Yes

High Dynamic Range (HDR) technology DisplayHDR 400

Colour gamut standard DCI-P3

Colour gamut 97%

sRGB coverage (typical) 133%

Performance 8

NVIDIA G-SYNC Yes

AMD FreeSync Yes

NVIDIA G-SYNC type G-SYNC Compatible

AMD FreeSync type FreeSync

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 16

Built-in USB hub No

HDMI Yes

Headphone out Yes

USB Type-C downstream ports quantity 1

USB Type-C DisplayPort Alternate Mode Yes

USB Power Delivery (USB PD) Yes

USB Power Delivery up to 7.5 W

HDMI ports quantity 1

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

AC (power) in Yes

Ergonomics 14

VESA mounting Yes

Cable lock slot Yes

Height adjustment Yes

Panel mounting interface 100 x 100 mm

Wall mountable Yes

Cable management Yes

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 10

Energy efficiency class (SDR) F

Energy efficiency class (HDR) G

Energy consumption (SDR) per 1000 hours 26 kWh

Energy consumption (HDR) per 1000 hours 45 kWh

Power consumption (typical) 23.1 W

Power consumption (standby) 0.5 W

Power consumption (off) 0.3 W

Power consumption (PowerSave) 0.5 W

Power supply type Internal

Energy efficiency scale A to G

Weight & dimensions 8

Width (with stand) 641.8 mm

Depth (with stand) 218.8 mm

Height (with stand) 512.9 mm

Weight (with stand) 6.61 kg

Width (without stand) 641.8 mm

Depth (without stand) 60.1 mm

Height (without stand) 367.1 mm

Weight (without stand) 3.93 kg

Packaging data 1

Package weight 10.1 kg

Packaging content 1

Stand included Yes

Other features 2

Shadow control Yes

Motion blur reduction Yes

Technical details 1

Native refresh rate 60 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: the Fast IPS panel offers a 180 Hz refresh rate and a 1 ms response time, well above the market median (100 Hz, 4 ms). The screen scores 90/100 for reactivity and 81/100 for smoothness.

It supports both NVIDIA G-SYNC (G-SYNC Compatible) and AMD FreeSync, as well as VESA Adaptive Sync, covering graphics cards from both brands.

Yes, the stand allows a height adjustment of 12 cm, tilt from -5 to 20°, swivel from -90 to 90° and pivot from -45 to 45°. The 100 x 100 mm VESA mount also allows wall mounting.