Display
27-inch, IPS, 3840 x 2160
27
Refresh Rate
48 Hz - 160 Hz
48 Hz
Brightness
350 cd/m² (peak 400 cd/m²)
350 cd
Contrast Ratio
1000 : 1 / Dynamic 100000000 : 1
1000
Overview
Aimed at high-resolution PC gaming, the Asus ROG Strix XG27UCG is a 27-inch 3840 x 2160 IPS gaming monitor whose key draw is a 160 Hz refresh rate at 4K. It pairs 1 ms GtG response time with FreeSync Premium and G-Sync Compatible support, so it should suit powerful Radeon and GeForce systems. The panel lists 95% DCI-P3, 130% sRGB, 10-bit colour and 163 PPI, giving it a strong specification for sharp games and detailed desktop work. Ergonomics are also useful, with 120 mm height adjustment, ±90° pivot, ±45° swivel and a 100 x 100 mm VESA mount. Its weaknesses are clear: there are no speakers, USB-C power is only 15 W, and DisplayHDR 400 has just 50 cd/m² of peak headroom. Buy it if you want sharp 4K gaming at 160 Hz; skip it if meaningful HDR or laptop charging is a priority.
BrandAsusPanel TypeIPSResolution3840 x 2160Refresh Rate48 Hz - 160 Hz
Key Highlights
- 27-inch 4K IPS panel with 163 PPI
- 160 Hz maximum refresh rate
- FreeSync Premium and G-Sync Compatible support
- 95% DCI-P3 coverage with 10-bit colour
- Fully adjustable stand with height, swivel and pivot
Who Should Buy the Asus ROG Strix XG27UCG
+ Best For
High-resolution gamers
4K at up to 160 Hz balances detail and speed
Dual-GPU-brand households
FreeSync Premium and G-Sync Compatible are both listed
Mixed work and play
163 PPI and 95% DCI-P3 suit detailed desktop tasks
Ergonomic desks
120 mm height, ±45° swivel and ±90° pivot provide broad adjustment
× Not Ideal For
Serious HDR buyers
400 cd/m² peak gives DisplayHDR 400 almost no brightness headroom
Laptop docking users
USB-C supplies only 15 W and no USB Type-A hub is listed
Speaker-dependent setups
the monitor has no built-in speakers
Lower-powered PCs
3840 x 2160 at high frame rates is demanding
Display Performance
Refresh Rate
48 Hz - 160 Hz
Fast for a 4K 27-inch monitor
Response Time
1 ms (GtG)
Standard fast-IPS response claim
Brightness
350 cd/m² typical; 400 cd/m² peak
Only 50 cd/m² of stated HDR headroom
Contrast
1000 : 1
Typical IPS-class static contrast
Colour Gamut
130% sRGB; 95% DCI-P3
Wide colour coverage is claimed
HDR
HDR10 / DisplayHDR 400
Entry-level HDR specification with limited brightness range
Gaming Performance
Refresh Rate48 Hz - 160 HzSupports high-frame-rate 4K play
Response Time1 ms (GtG)Fast claimed grey-to-grey response
VRR / Adaptive SyncFreeSync Premium / G-Sync CompatibleVariable refresh covers Radeon and GeForce systems
GPU RequirementHigh-end GPU recommended4K at 160 Hz requires substantial graphics performance
HDR & Brightness Reality
DisplayHDR 400 is the weak part of this specification. Typical brightness is 350 cd/m² and peak brightness is 400 cd/m², leaving only 50 cd/m² of stated headroom for highlights. The 1,000:1 contrast ratio and W-LED backlight also do not suggest deep OLED-like blacks. HDR10 compatibility means the monitor can accept HDR content, but the sheet does not show the brightness or contrast range needed for a strong HDR presentation.
Connectivity & Ports
HDMI1 x HDMI 2.1Modern console and PC input
DisplayPort1 x DisplayPort 1.4 (HBR3)High-bandwidth PC connection
USB-C1 x USB 3.2 upstream, DP Alt Mode, 15 WCarries video but offers light power delivery
USB HubNot publishedNo downstream USB Type-A ports are listed
Audio Out1 x 3.5 mmRoutes sound to headphones or external speakers
Desk Fit & Ergonomics
Size / Footprint614 x 390 x 219 mm with standCompact width for a 27-inch 16:9 display
StandRemovable; 6.6 kg total weightBroad adjustment is included
VESA Mount100 x 100 mmStandard arm and wall-mount pattern
Tilt-5° to +20°Covers common seated viewing angles
Height Adjust120 mmUseful vertical range
Swivel / Pivot±45° swivel; ±90° pivotSupports side positioning and portrait orientation
Real-World Use Cases
160 Hz, 1 ms GtG and adaptive sync target powerful gaming systems
HDMI 2.1 is listed, though the sheet gives no console-specific mode details
163 PPI provides sharp text and a dense workspace
95% DCI-P3 and 10-bit colour broaden the panel's range
Pros & Cons
Pros
- Sharp 4K resolution at 163 PPI
- 160 Hz refresh with 1 ms GtG claim
- FreeSync Premium and G-Sync Compatible
- 95% DCI-P3 and 10-bit colour
- Excellent height, tilt, swivel and pivot range
Cons
- DisplayHDR 400 has only 50 cd/m² of peak headroom
- No built-in speakers
- USB-C power is limited to 15 W
- No USB Type-A hub is listed
Score & Ratings
8/10
Great
Model Information
7
| Specification | Value |
|---|---|
| Brand | Asus |
| Series | ROG Strix |
| Model | ROG Strix XG27UCG |
| Model Alias | ROG Strix XG27UCG-W |
| Full Product Name | Asus ROG Strix XG27UCG |
| 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 | 88.72 % (percent) | |
| Panel Type | IPS | IPS prioritises viewing angles and consistent colour behaviour |
| Backlight Type | W-LED |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 3840 × 2160 | |
| Pixel Density | 163 PPI | 163 PPI gives fine detail at 27 inches |
| Pixel Pitch | 0.155 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 | 48 Hz - 160 Hz |
Ports & Connectivity
6
| 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 |
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 | 6.6 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
5
| Specification | Value |
|---|---|
| TÜV Flicker-Free | TÜV Rheinland Flicker-free Certified |
| TÜV Low Blue Light | TÜV Rheinland Low Blue Light Certified |
| RoHS | RoHS |
| CE | Yes |
| FCC | FCC |
Frequently Asked Questions
01 The USB-C connection is rated at 15 W — what is it actually useful for? +
It can carry video through DisplayPort Alt Mode and provide light charging for compatible devices. It is not a practical replacement for the power adapter of most performance laptops.
02 Why is DisplayHDR 400 limited on this 4K IPS panel? +
The sheet lists 350 cd/m² typical and 400 cd/m² peak brightness, so there is little headroom for HDR highlights. Its 1,000:1 contrast ratio is also modest compared with self-emissive displays.
03 What kind of PC is needed to approach 160 Hz at 3840 x 2160? +
A high-end graphics card is advisable because 4K at high frame rates is demanding. Actual performance depends on the game, quality settings and any resolution-scaling method used.
04 How do you use audio when the XG27UCG has no speakers? +
The monitor includes a 3.5 mm audio output. Headphones, powered speakers or another external audio system are therefore required.
05 Does 130% sRGB guarantee accurate colour? +
No. A gamut figure above 100% indicates coverage or volume beyond the sRGB space, not calibration accuracy. The sheet does not provide a colour-error measurement.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № ROG STRIX XG27UCG