ASUS ROG Strix XG27ACMES-W 27″ 255Hz Monitor

27 inch · 2560 x 1440 · 255 Hz · Fast IPS

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 255 Hz
Panel Fast IPS
Response time 1 ms

ASUS ROG Strix XG27ACMES-W 27″ 255Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 255 Hz refresh rate and Fast IPS panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-01-10

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 255 Hz
Panel: Fast IPS
Response time: 1 ms
Released: 2026-01-10
Part number: 90LM0C92-B01171
EAN / UPC: 4711636140485

Display

Display diagonal: 68.6 cm (27")
Display resolution: 2560 x 1440 pixels
HD type: Wide Quad HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: Fast IPS
LED backlight: Yes
Display brightness (peak): 400 cd/m²
Display brightness (typical): 350 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1300:1
Maximum refresh rate: 255 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.073 billion colours
Pixel pitch: 0.233 x 0.233 mm
Viewable size, horizontal: 59.7 cm
Viewable size, vertical: 33.6 cm
Digital horizontal frequency: 30 - 410 kHz
Digital vertical frequency: 48 - 255 Hz
Display diagonal (metric): 69 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400, High Dynamic Range 10 (HDR10)
Colour gamut standard: DCI-P3, sRGB
sRGB coverage (typical): 133%
DCI-P3 coverage: 97%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Design

Market positioning: Gaming
Product colour: White
Feet colour: White

Ports & interfaces

USB upstream port type: USB Type-C
Number of upstream ports: 1
Number of USB Type-C upstream ports quantity: 1
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 15 W
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes
HDCP version: 2.3

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 11 cm
Pivot: Yes
Pivot angle: 90 - -90°
Swivelling: Yes
Swivel angle range: 45 - -45°
Tilt adjustment: Yes
Tilt angle range: 20 - -5°

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 21 kWh
Energy consumption (HDR) per 1000 hours: 40 kWh
Power consumption (typical): 23 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

Width (with stand): 614.8 mm
Depth (with stand): 188.7 mm
Height (with stand): 503.4 mm
Weight (with stand): 5.96 kg
Width (without stand): 614.8 mm
Depth (without stand): 63 mm
Height (without stand): 367.1 mm
Weight (without stand): 3.87 kg

Technical details

Native refresh rate: 60 Hz

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About this product

ROG Strix XG27ACMES-W Gaming Monitor – 27-inch 2560x1440, 255Hz OC (Above 144Hz), 0.3ms (min.), Fast IPS, Extreme Low Motion Blur Sync, USB Type-C, G-Sync compatible, DisplayWidget Center, tripod socket, HDR, Gaming AI Utility Redefined Elevate your gaming experience with the ROG Strix XG27ACMES-W, meticulously crafted for utility and performance. Immerse yourself in smooth, lifelike visuals boasting a 1440p resolution, 255Hz (OC) refresh rate, and lightning-fast 0.3ms response time (min.). Conquer challenges effortlessly with AI-powered features, and enhance your connectivity options with the inclusion of a versatile Type-C connection, ensuring you stay ahead while enjoying the convenience of modern connectivity.

User manual (PDF)

XG27ACMES-W vs similar monitors

	ASUS ROG Strix XG27ACMES-W 27″ 255Hz Monitor	ASUS TUF Gaming VG27AQL5F 27″ 220Hz Monitor	AOC AG276QSG2/11 27″ 360Hz Monitor	AOC G4 Q27G42ZE/69 27″ 260Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	2560 x 1440	2560 x 1440	2560 x 1440
Refresh rate	255 Hz	220 Hz	360 Hz	260 Hz
Panel	Fast IPS	Fast IPS	Fast IPS	Fast IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2026	2026	2026	2026