Display
27-inch, IPS, 2560 x 1440
27
Refresh Rate
48 Hz - 180 Hz
48 Hz
Brightness
350 cd/m² (peak 400 cd/m²)
350 cd
Contrast Ratio
1000 : 1
1000
Overview
The Asus ROG Strix XG27ACS is a 27-inch 1440p gaming monitor at 180 Hz, positioned below Asus's faster Strix panels but with a better stand than most of them. You get 120 mm of height, +/-45 degree swivel and a full +/-90 pivot, plus 97% DCI-P3 and 133% sRGB - genuinely wide colour for this class. The panel itself is more ordinary: 1000:1 contrast, DisplayHDR 400 on a 400 cd/m2 peak, 8-bit colour, and a 3.6 ms grey-to-grey response that trails the 1 ms rivals. The USB-C carries video but only 7.5 W. Buy it for the colour and ergonomics at a mid price; skip it if you want the fastest pixel response in this bracket.
BrandAsusPanel TypeIPSResolution2560 x 1440Refresh Rate48-180 Hz
Key Highlights
- 97% DCI-P3 and 133% sRGB - wide colour for a mid-range gaming panel
- Full +/-90 pivot with +/-45 swivel and 120 mm of height
- 180 Hz with FreeSync and G-Sync Compatible certification
- USB-C with DP Alt Mode for a single video cable
- Light at 3.93 kg without the stand
Who Should Buy the Asus ROG Strix XG27ACS
+ Best For
Colour-aware gamers
97% DCI-P3 at this price is generous
Ergonomic desks
a full pivot with +/-45 swivel
Either GPU brand
FreeSync and G-Sync Compatible
Mid-range builds
180 Hz at 1440p is easy to reach
× Not Ideal For
Competitive players
3.6 ms GtG trails the 1 ms panels here
Dark-room gaming
1000:1 contrast lifts blacks
Laptop docking
USB-C carries video but only 7.5 W
HDR
DisplayHDR 400 on a 400 cd/m2 panel
Display Performance
Refresh Rate
48-180 Hz
comfortable for most gaming at 1440p
Response Time
3.6 ms (GtG) / 1 ms (MPRT)
the GtG figure is the honest one
Brightness
350 cd/m2 typical / 400 peak
adequate indoors
Contrast
1000:1
standard IPS
Colour Gamut
97% DCI-P3, 133% sRGB
the panel's strongest spec
HDR
DisplayHDR 400 / HDR10
badge and peak are the same number
Gaming Performance
Refresh Rate180 Hzhigh refresh at an achievable resolution
Response Time3.6 ms (GtG)slower than rivals; MPRT flatters it to 1 ms
VRR / Adaptive SyncAMD FreeSync + G-Sync Compatibletear-free on both brands
GPU Requirementa mid-range card reaches high frame rates at 1440p
HDR & Brightness Reality
DisplayHDR 400 with a 400 cd/m2 peak means the badge floor and the hardware ceiling are the same figure - no headroom for highlights - and there is no local dimming behind it. At 1000:1 contrast, HDR content will look flatter than SDR. The panel's genuinely good spec is colour: 97% DCI-P3 and 133% sRGB is wide for a mid-range gaming monitor, and that is worth having in SDR every day.
Connectivity & Ports
HDMI1 x HDMI 2.0fine for 1440p, short of console bandwidth
DisplayPortDisplayPort inputthe connection for the full 180 Hz
USB-C1 x USB-C, 7.5 W, DP Alt Modevideo only; it will not charge
USB HubNone listedno peripheral hub
Audio Out3.5 mmno built-in speakers
Desk Fit & Ergonomics
Size / Footprint27-inch 16:9, 615 mm wide6.61 kg with the stand
StandIncluded, removable3.93 kg panel alone
VESA Mount100 x 100 mmstandard arm fit
Tilt-5 to +20 degreesa comfortable range
Height Adjust120 mmgood travel
Swivel / PivotSwivel +/-45 degrees, pivot +/-90 degreesfull rotation and a wide turn
Real-World Use Cases
97% DCI-P3 keeps games saturated
a full pivot with +/-45 degree swivel
180 Hz that most cards can feed
wide gamut for photo review between games
Pros & Cons
Pros
- 97% DCI-P3 and 133% sRGB wide colour for the class
- Full +/-90 pivot with +/-45 swivel and 120 mm height
- 180 Hz with FreeSync and G-Sync Compatible
- USB-C video input with DP Alt Mode
- Light at 3.93 kg
Cons
- 3.6 ms GtG slower than 1 ms rivals at this refresh
- 1000:1 contrast with DisplayHDR 400 and no headroom
- USB-C is 7.5 W video only
- One HDMI 2.0 port, no hub, no speakers
Score & Ratings
6.8/10
Good
Model Information
7
| Specification | Value |
|---|---|
| Brand | Asus |
| Series | ROG Strix |
| Model | ROG Strix XG27ACS |
| Model Alias | ROG Strix XG27ACS-W |
| Full Product Name | Asus ROG Strix XG27ACS |
| Model Year | 2024 |
| Available Colors | Black |
Display & Panel
5
| Specification | Value |
|---|---|
| Screen Size | 27-inch |
| Aspect Ratio | 1.778:1 |
| Display Area | 88.75 % (percent) |
| Panel Type | IPS |
| Backlight Type | W-LED |
Resolution & Pixel Details
3
| Specification | Value | What It Means |
|---|---|---|
| Native Resolution | 2560 × 1440 | |
| Pixel Density | 109 PPI | 109 PPI - standard 27-inch 1440p sharpness. |
| 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 - 180 Hz |
Ports & Connectivity
7
| Specification | Value |
|---|---|
| HDMI Ports | 1× HDMI 2.0 |
| HDMI Version | HDMI 2.0 |
| 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 | 6.61 kg |
| Weight Without Stand | 3.93 kg |
Power & Operating Conditions
5
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| AC Frequency | 50/60Hz |
| Typical Power Consumption | 23.1W |
| Average Power Consumption | 23.1W |
| 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 (Hardware Solution) |
Frequently Asked Questions
01 Is 3.6 ms slow for a 180 Hz panel? +
It is the honest weak point. Rivals at this refresh claim 1 ms grey-to-grey; the 1 ms MPRT figure here is measured with strobing and flatters it. In fast motion you will see more smearing than on a Fast IPS panel.
02 How is 97% DCI-P3 at this price? +
Generous. Many mid-range gaming panels sit at 90-95%, and this reaches 97% with 133% sRGB. It is the main reason to pick this over a faster rival if you also edit photos.
03 What can I do with a 7.5 W USB-C port? +
Carry video via DP Alt Mode, and not much else. It cannot charge a laptop or run a hub. Treat it as an alternative video input rather than a docking feature.
04 How well does it handle a console? +
Not at full capability - the single HDMI port is 2.0, so console output is capped below what current hardware sends. This is a PC monitor.
05 Is the stand worth choosing it for? +
If you also work at the desk, yes. +/-45 degree swivel, a full pivot and 120 mm of height is more movement than most gaming monitors offer at this price.
Reviews
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SHEET № ROG STRIX XG27ACS