Display
26.5-inch, OLED, 2560 x 1440
26.5
Refresh Rate
40 Hz - 240 Hz
40 Hz
Brightness
260 cd/m² (peak 1100 cd/m²)
260 cd
Contrast Ratio
1500000 : 1
1500000
Overview
OLED response and 240 Hz meet in the Asus ROG Strix OLED XG27AQDMG, a 26.5-inch 2560 x 1440 gaming monitor using an LG Display WOLED panel with META technology. The sheet lists 0.03 ms GtG, a 40–240 Hz adaptive-sync range, FreeSync Premium, G-Sync Compatible and VESA AdaptiveSync Display 240 Hz. Colour coverage is also broad at 99% DCI-P3 and 135% sRGB, with 10-bit output. HDR has a plausible small-highlight story: 260 cd/m² typical brightness rises to a claimed 1100 cd/m² peak, while self-emissive pixels support deep blacks and DisplayHDR 400 True Black. The stand includes 120 mm height adjustment, pivot and swivel, but connectivity relies on HDMI 2.0, DisplayPort 1.4 and a USB-B hub rather than USB-C. Buy it if fast QHD OLED gaming and strong ergonomics matter; skip it if USB-C docking or built-in audio is required.
BrandAsusPanel TypeOLED (LG Display)Resolution2560 x 1440Refresh Rate40 Hz - 240 Hz
Key Highlights
- 26.5-inch QHD WOLED with META technology
- 240 Hz refresh and 0.03 ms GtG claim
- 99% DCI-P3 and 10-bit colour
- 1100 cd/m² peak against 260 cd/m² typical
- Full ergonomic stand with 120 mm height range
Who Should Buy the Asus ROG Strix OLED XG27AQDMG
+ Best For
Fast OLED gamers
240 Hz and 0.03 ms GtG target responsive play
Dark-room users
self-emissive pixels and a 1,500,000:1 claim favour deep blacks
Wide-gamut gaming and media
99% DCI-P3 and 10-bit output are listed
Users wanting stand flexibility
height, swivel, pivot and tilt are all included
× Not Ideal For
USB-C laptop desks
no USB-C video or charging port is listed
Speaker-dependent setups
the monitor has no built-in speakers
Users wanting native 4K
the panel is 2560 x 1440
Buyers expecting 1100 cd/m² full-screen output
the sheet only labels it as peak brightness
Display Performance
Refresh Rate
40 Hz - 240 Hz
Broad OLED gaming range
Response Time
0.03 ms (GtG)
Very low manufacturer claim
Brightness
260 cd/m² typical; 1100 cd/m² peak
Strong highlight claim with restrained sustained output
Contrast
1500000 : 1
High OLED contrast claim
Colour Gamut
135% sRGB / 99% DCI-P3
Wide published gamut
HDR
HDR10 / DisplayHDR 400 True Black
OLED black levels make the True Black tier relevant
Gaming Performance
Refresh Rate40 Hz - 240 HzCovers cinematic rates and fast competitive play
Response Time0.03 ms (GtG)Claimed transition speed is a major strength
VRR / Adaptive SyncFreeSync Premium / G-Sync Compatible / VESA AdaptiveSync 240 HzBroad GPU support
GPU RequirementStrong GPU recommendedQHD at 240 fps is demanding in modern games
HDR & Brightness Reality
The XG27AQDMG has credible HDR ingredients for a monitor in this class. WOLED pixels switch off individually, DisplayHDR 400 True Black recognises that low-black capability, and the sheet claims 1100 cd/m² peak brightness. The restraint is typical output at 260 cd/m², so large bright areas will not hold the peak figure. HDR10 is supported, and 99% DCI-P3 helps colour range, but no test-window size or sustained-brightness result is published.
Connectivity & Ports
HDMI2 x HDMI 2.0Two HDMI sources are supported
DisplayPort1 x DisplayPort 1.4Main PC high-refresh connection
USB-CNot publishedNo USB-C input or power delivery is listed
USB Hub2 x USB 3.2 Type-A via USB-B upstreamUseful 5 Gbps peripheral hub
Audio Out1 x 3.5 mmExternal audio is required
Desk Fit & Ergonomics
Size / Footprint605 x 438 x 219 mm with standConventional 27-inch-class footprint
StandRemovable; 6.7 kg totalFull ergonomic movement is provided
VESA Mount100 x 100 mmStandard monitor-arm compatibility
Tilt-5° to +20°Typical angle range
Height Adjust120 mmUseful vertical movement
Swivel / Pivot±45° / ±90°Supports side adjustment and portrait use
Real-World Use Cases
240 Hz and broad adaptive sync suit powerful PCs
OLED black levels preserve shadow depth
99% DCI-P3 and 10-bit output support rich colour
the two-port 5 Gbps hub handles basic accessories
Pros & Cons
Pros
- 240 Hz WOLED with 0.03 ms GtG claim
- 99% DCI-P3 and 10-bit colour
- 1100 cd/m² peak-brightness claim
- Broad adaptive-sync support
- Fully adjustable stand
Cons
- No USB-C connection
- No built-in speakers
- Typical brightness is only 260 cd/m²
- HDMI is version 2.0 rather than 2.1
Score & Ratings
9/10
Great
Model Information
6
| Specification | Value |
|---|---|
| Brand | Asus |
| Series | ROG Strix |
| Model | ROG Strix OLED XG27AQDMG |
| Full Product Name | Asus ROG Strix OLED XG27AQDMG |
| Model Year | 2024 |
| Available Colors | Black |
Display & Panel
6
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 26.5-inch | |
| Aspect Ratio | 1.778:1 | |
| Display Area | 88.5 % (percent) | |
| Panel Type | OLED (LG Display) | LG WOLED with self-emissive pixels gives genuine black-level control and avoids a separate backlight. |
| Panel Technology | Gen 3 WOLED display panel with META technology | |
| Backlight Type | Self-emissive (no backlight — OLED) |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 2560 × 1440 | |
| Pixel Density | 110 PPI | 110 PPI keeps QHD reasonably sharp at 26.5 inches without demanding heavy interface scaling. |
| Pixel Pitch | 0.229 mm (millimeters) |
Picture Quality & Color
2
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits |
| Display Colors | 1073741824 colors |
Refresh Rate, Response & Gaming
1
| Specification | Value |
|---|---|
| Refresh Rate Range | 40 Hz - 240 Hz |
Ports & Connectivity
5
| Specification | Value |
|---|---|
| HDMI Ports | 2× HDMI 2.0 |
| HDMI Version | HDMI 2.0 |
| DisplayPort Input | 1× DisplayPort 1.4 |
| DisplayPort Version | DisplayPort 1.4 |
| HDCP Support | Yes |
Audio, Camera, Network & Smart Features
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Ergonomics & Stand
5
| Specification | Value | What It Means |
|---|---|---|
| VESA Mount | 100 × 100 mm | |
| VESA Size | 100 × 100 mm | |
| Removable Stand | Yes | |
| Height Adjustment | 120 mm | 120 mm plus pivot and swivel allows a comfortable setup without an extra arm. |
| Height Range | 120 mm |
Dimensions, Weight & Design
2
| Specification | Value |
|---|---|
| Weight With Stand | 6.7 kg |
| Weight Without Stand | 4.2 kg |
Power & Operating Conditions
5
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 25W |
| Average Power Consumption | 25W |
| 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 (Hardware Solution) |
Frequently Asked Questions
01 What does META technology add to the XG27AQDMG sheet? +
It identifies the listed generation of LG WOLED panel technology. The sheet does not quantify a separate gain from META, so brightness and contrast should be judged from the published 260 and 1100 cd/m² figures.
02 Why is 1100 cd/m² not the everyday brightness of this OLED? +
Typical brightness is only 260 cd/m². The 1100 cd/m² number is a peak, likely reached on small HDR highlights rather than a full white screen.
03 How broad is the XG27AQDMG’s variable-refresh support? +
The range is listed as 40–240 Hz, with FreeSync Premium, G-Sync Compatible and VESA AdaptiveSync Display 240 Hz. That covers both major GPU brands.
04 What connectivity trade-off comes with this OLED model? +
It has two HDMI 2.0 ports, DisplayPort 1.4 and a two-port USB-A hub, but no USB-C. Laptop users therefore get no one-cable video and charging option.
05 Why is the 2560 x 1440 resolution a sensible match for 240 Hz? +
QHD is easier to drive at very high frame rates than 4K. At 26.5 inches, 110 PPI still gives reasonable desktop sharpness.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № ROG STRIX OLED XG27AQDMG