Display
27-inch, IPS, 2560 x 1440
27
Refresh Rate
48 Hz - 270 Hz
48 Hz
Brightness
400 cd/m² (peak 400 cd/m²)
400 cd
Contrast Ratio
1000 : 1
1000
Overview
High-refresh QHD is a crowded category, and the Asus ROG Strix XG27ACMG competes in it with a 27-inch IPS panel at 2560 x 1440. The 27-inch panel lists 95% DCI-P3, 125% sRGB, 8-bit colour and a 1,000:1 contrast ratio. Tear-free operation is certified on Radeon and GeForce alike. The stand provides 120 mm height adjustment, ±90° pivot, ±45° swivel and tilt, while HDMI 2.1, DisplayPort 1.4 and USB-C with DisplayPort Alt Mode cover the main display links. The 1 ms (MPRT) response claim is an MPRT figure, so treat it as a best case rather than a true pixel-transition time and the real grey-to-grey behaviour will sit behind it. Buy it if 270 Hz QHD gaming and full stand adjustment are the priorities; skip it if verified response data, useful USB-C power or meaningful HDR is required.
BrandAsusPanel TypeIPSResolution2560 x 1440Refresh Rate48 Hz - 270 Hz
Key Highlights
- 270 Hz QHD IPS panel
- FreeSync Premium and G-Sync Compatible
- 95% DCI-P3 coverage listed
- Fully adjustable stand
- HDMI 2.1 and USB-C video
Who Should Buy the Asus ROG Strix XG27ACMG
+ Best For
High-refresh QHD players
The panel reaches 270 Hz
Radeon and GeForce users
FreeSync Premium and G-Sync Compatible are listed
Flexible workstation users
Height, swivel, pivot and tilt are included
Wide-gamut gaming users
95% DCI-P3 and 125% sRGB are stated
× Not Ideal For
Response-time purists
the 1 ms (MPRT) figure is MPRT, not a true grey-to-grey measurement
HDR enthusiasts
Typical and peak brightness are both 400 cd/m²
Laptop charging setups
USB-C power is limited to 15 W
Speaker-dependent desks
No built-in speakers are fitted
Display Performance
Refresh Rate
48 Hz - 270 Hz
The published variable or fixed refresh range
Response Time
1 ms (MPRT)
measured with backlight strobing; it describes motion persistence, not true pixel transition
Brightness
400 cd/m² typical; 400 cd/m² peak
Published output figures, not measured results
Contrast
1000 : 1
The sheet's stated contrast ratio
Colour Gamut
125% sRGB; 95% DCI-P3
Published gamut coverage or volume
HDR
DisplayHDR 400 / HDR10
Practical value depends on the listed panel and brightness
Gaming Performance
Refresh Rate48 Hz - 270 HzDefines the maximum motion update rate
Response Time1 ms (MPRT)measured with backlight strobing; it describes motion persistence, not true pixel transition
VRR / Adaptive SyncAMD FreeSync Premium / NVIDIA G-Sync CompatiblePublished variable-refresh support
GPU RequirementA fast GPU is advisable for QHD near 270 HzResolution and refresh both affect rendering demand
HDR & Brightness Reality
The DisplayHDR 400 / HDR10 badge has little hardware headroom here. Typical and peak brightness are both listed at 400 cd/m², so the sheet shows no extra brightness reserve for HDR highlights. The 1000 : 1 contrast claim may still affect dark-scene depth, but HDR compatibility does not prove a wider luminance range. Treat the badge as signal support rather than evidence of strong HDR impact.
Connectivity & Ports
HDMI1 x HDMI 2.1One modern input is listed
DisplayPort1 x DisplayPort 1.4 (HBR3)Main high-refresh PC connection
USB-C1 x USB 3.0 upstream, DP Alt Mode, 15 WCarries video but provides only light charging
USB HubNot publishedNo downstream USB ports are published
Audio Out1 x 3.5 mmConnects headphones or powered speakers
Desk Fit & Ergonomics
Size / Footprint613.7 mm x 489.6 mm x 218.8 mm with standPublished desk dimensions
StandRemovable; 6.5 kg with standPublished assembled weight and removable-stand design
VESA Mount100 x 100 mmCompatible with a matching arm or wall mount
Tilt-5° to +20°Published forward and backward adjustment
Height Adjust120 mmPublished vertical adjustment
Swivel / Pivot±45° swivel; ±90° pivotPivot is ±90°
Real-World Use Cases
270 Hz and adaptive sync support high frame rates
109 PPI balances workspace and readable scaling
The stand supports ±90° rotation
DisplayPort Alt Mode is listed, though power is limited
Pros & Cons
Pros
- 270 Hz QHD IPS panel
- FreeSync Premium and G-Sync Compatible
- 95% DCI-P3 coverage listed
- Fully adjustable stand
- HDMI 2.1 and USB-C video
Cons
- MPRT response figures are strobed, so real pixel transitions are slower
- No HDR brightness headroom
- USB-C power is limited to 15 W
- No USB hub or built-in speakers
Score & Ratings
7.6/10
Great
Model Information
6
| Specification | Value |
|---|---|
| Brand | Asus |
| Series | ROG Strix |
| Model | ROG Strix XG27ACMG |
| Full Product Name | Asus ROG Strix XG27ACMG |
| Model Year | 2024 |
| Available Colors | Black |
Display & Panel
5
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 27-inch | |
| Aspect Ratio | 1.778:1 | |
| Display Area | 88.88 % (percent) | |
| Panel Type | IPS | IPS - wide viewing angles and stable colour, with the usual contrast weakness at 1000 : 1. |
| Backlight Type | W-LED |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 2560 × 1440 | |
| Pixel Density | 109 PPI | 109 PPI - standard desktop density; fine for gaming, average for long reading. |
| Pixel Pitch | 0.233 mm (millimeters) |
Picture Quality & Color
2
| Specification | Value |
|---|---|
| Panel Bit Depth | 8 bits |
| Display Colors | 16777216 colors |
Refresh Rate, Response & Gaming
1
| Specification | Value |
|---|---|
| Refresh Rate Range | 48 Hz - 270 Hz |
Ports & Connectivity
7
| Specification | Value |
|---|---|
| HDMI Ports | 1× HDMI 2.1 |
| HDMI Version | HDMI 2.1 |
| DisplayPort Input | 1× DisplayPort 1.4 |
| DisplayPort Version | DisplayPort 1.4 |
| USB-C Video Input | 1× USB-C |
| DisplayPort Alt Mode | Yes |
| HDCP Support | Yes |
Audio, Camera, Network & Smart Features
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Ergonomics & Stand
5
| Specification | Value |
|---|---|
| VESA Mount | 100 × 100 mm |
| VESA Size | 100 × 100 mm |
| Removable Stand | Yes |
| Height Adjustment | 120 mm |
| Height Range | 120 mm |
Dimensions, Weight & Design
2
| Specification | Value |
|---|---|
| Weight With Stand | 6.5 kg |
| Weight Without Stand | 3.8 kg |
Power & Operating Conditions
5
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 30W |
| Average Power Consumption | 30W |
| Sleep Consumption | 0.3W |
Certifications, Standards & Licenses
2
| Specification | Value |
|---|---|
| TÜV Flicker-Free | TÜV Rheinland Flicker-free Certified |
| TÜV Low Blue Light | TÜV Rheinland Low Blue Light Certified |
Frequently Asked Questions
01 What is required to benefit from 48 Hz - 270 Hz on the ROG Strix XG27ACMG? +
The range is listed as 48 Hz - 270 Hz, so the upper end is aimed at high-frame-rate use. A fast GPU is advisable for QHD near 270 Hz.
02 How should the XG27ACMG response-time claim be read? +
1 ms (MPRT) is an MPRT figure - measured with backlight strobing rather than by timing the pixels themselves. It describes how long a frame persists on screen, which flatters the number compared with a grey-to-grey measurement. The true grey-to-grey transition is slower than this number implies.
03 The ROG Strix XG27ACMG lists 400 cd/m² for both typical and peak brightness — what does that do to HDR? +
It leaves DisplayHDR 400 / HDR10 with no stated brightness reserve for highlights. HDR material can be accepted, but the figures do not demonstrate a wider luminance range.
04 The ROG Strix XG27ACMG's USB-C is limited to 15 W — what is that useful for? +
It can carry the published DisplayPort Alt Mode signal and provide light device power. It is not a practical replacement for most performance-laptop chargers.
05 How flexible is the ROG Strix XG27ACMG's stand for work as well as gaming? +
It lists 120 mm height adjustment, ±90° pivot, ±45° swivel and -5° to +20° tilt. The stand is removable and the VESA pattern is 100 x 100 mm.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № ROG STRIX XG27ACMG