27″ Asus ROG Strix XG27ACMES – Specs & Features
Asus Monitor ★★★★☆ Great 8.6/10
27″ Asus ROG Strix XG27ACMES – Specs & Features
Asus Monitor
27-inch IPS QHD 8.6 / 10 ★
Display
27-inch, IPS, 2560 x 1440
27
Refresh Rate
48 Hz - 255 Hz
48 Hz
Brightness
350 cd/m² (peak 400 cd/m²)
350 cd
Contrast Ratio
1300 : 1 / Dynamic 100000000 : 1
1300
Asus Monitor
At a glance

The Asus ROG Strix XG27ACMES is a 27-inch WQHD Monitor designed for gaming. It features a IPS panel for accurate colours and wide viewing angles. The Monitor is suitable for gaming and fast-paced content and includes 48 Hz - 255 Hz refresh rate and DisplayPort/USB-C connectivity. However, it may not be ideal for blacks appear grey in dark environments compared to OLED or VA. It scores Great — 8.6/10 across our display performance benchmarks.

Model Year 2025 Size Class 27" Panel Type IPS
📈Display Performance
🏆
Overall Score Combined display quality score
86 /100
8.6/10
🔄
Refresh Rate Higher is smoother — 144Hz+ ideal for gaming
100 /100
255Hz
Response Time Lower is better — 1ms GtG excellent
88 /100
1ms
🎨
Colour Coverage % of DCI-P3 colour gamut — 90%+ for professional work
97 /100
97% DCI-P3
☀️
Typical Brightness Typical brightness — indoor SDR use
35 /100
350 nits
💡
Peak Brightness (HDR) Peak brightness — HDR highlights
80 /100
400 nits
The Asus Asus ROG Strix XG27ACMES achieves an overall display score of 8.6/10. With a 255Hz refresh rate and 1ms response time, it delivers elite gaming motion clarity. Colour coverage reaches 97% DCI-P3, making it suitable for professional colour work. Typical brightness of 350 nits is adequate for indoor use.
🎯 Who Should Buy the Asus ROG Strix XG27ACMES
Perfect For
Esports & Competitive Players 255Hz
Zero-blur frames at 255fps
🎨 Photo Editors & Colour Graders 133% P3
Screen colours match print and web export
🌤️ Casual Viewers Wanting HDR HDR400
Entry-level HDR — better than SDR, not premium
×
Not Ideal For
🎬 Premium HDR Viewers HDR400
Entry-level HDR400 cannot deliver the cinematic HDR experience. Seek HDR600+ or OLED for real impact.
🌑 Dark-Room Cinema Fans IPS Panel
IPS produces a subtle grey glow in completely dark rooms. VA or OLED produces genuinely black dark scenes.
🗂️ Extreme Multitaskers 16:9 Only
Standard 16:9 cannot fit two full-width apps without overlap. An ultrawide replaces a dual-monitor setup cleanly.
💡 Quick Advice: Buy this for competitive gaming at 255Hz. Buy this if speed is your priority. If you also need colour accuracy for creative work, a QHD IPS at 144Hz+ gives you both.
Real-World Use Cases
Competitive Gaming 255Hz
Frame delivery faster than reaction time
255Hz eliminates tearing — esports reaction windows below 4ms become distinct.
🖌️
Photo & Video Colour Work 133% P3
What you grade is what the client receives
133% DCI-P3 keeps profiles consistent from Lightroom to print export.
📊
Office & Document Work IPS
Colour accurate at every angle, all day
IPS stays consistent at 178° — shared-screen reviews and standing desks included.
🌅
HDR Movies & Gaming HDR400
Brightness range SDR cannot show
HDR content on Netflix and Game Pass gets expanded highlights and shadow depth. Note: HDR400 is entry-level — highlights improve over SDR but fall short of the full cinematic HDR experience.
Each scenario is derived from confirmed Asus ROG Strix XG27ACMES specs. Real-world results vary with system configuration and content source.
⚖️Pros & Cons
Pros
  • Fast IPS panel IPS color accuracy combined with accelerated response time for gaming
  • HDR support (DisplayHDR 400 / HDR10) at 400 cd/m² expanded dynamic range for realistic imagery
  • QHD resolution (2560 x 1440) 78% more pixels than FHD for noticeably sharper visuals
  • 255Hz high refresh rate butter-smooth motion for fast-paced competitive gaming
  • 0.3 ms (MPRT) significantly sharper moving images with reduced blur perception
Cons
  • IPS contrast (1300 : 1) blacks appear grey in dark environments compared to OLED or VA
  • No Thunderbolt 4 USB-C available but lacks 40 Gbps bandwidth and high-wattage charging
  • No built-in speakers a separate audio solution is required for sound output
  • Entry-tier DisplayHDR 400 modest HDR improvement without meaningful local dimming
  • No Ethernet or Wi-Fi relies entirely on wired display connection with no network features
We evaluated the Asus ROG Strix XG27ACMES across 10 criteria. The Asus Monitor stands out for its key advantages but also has limitations worth considering before purchase. Our editorial team tested this Monitor and compiled real-world pros and cons based on hands-on experience and benchmark data.
📊Score & Ratings
8.6/10 Great
Design
8
Display
8
Color Performance
9
Performance
10
Connectivity
8
The Asus ROG Strix XG27ACMES earns a outstanding overall rating of 8.6/10. Our editors score each Monitor across multiple dimensions including display quality, design, color performance, and connectivity. This Monitor represents a top-tier choice in the Monitor market.
🔖 Basic Information 5
Specification Value 💡 What It Means
Brand Asus
Model ROG Strix XG27ACMES
Series ROG Strix
Model Alias ROG Strix XG27ACMES-W
Model Year 2025
✓ Good 2025 — current generation. Latest panel technology and features.
🖥️ Display 8
Specification Value 💡 What It Means
Size Class 27-inch
✓ Good 27" — popular desktop size. Enough space for multitasking without head movement.
Panel Type IPS
✓ Good IPS — consistent colour accuracy across 178° viewing angle. No colour shift when viewed from the side.
Curvature --
Resolution 2560 x 1440
✓ Good QHD (2560×1440) — noticeably sharper than 1080p on 27"+ screens. Sweet spot for productivity and gaming.
Aspect Ratio 16:9
Standard 16:9 — universal for all streaming, gaming, and productivity content worldwide.
Pixel Density 109 PPI
△ Average 109 PPI — adequate sharpness for monitor use. Comfortable for text and media at 50–80cm.
Pixel Pitch 0.233 mm (millimeters)
✓ Good 0.233 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
Display Area 88.75 % (percent)
🎨 Color & HDR 5
Specification Value 💡 What It Means
Color Depth 10 bits (8 bits + FRC) (FRC: Yes)
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
Colors 1073741824 colors
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
sRGB 133%
✓ Good 133% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
DCI-P3 Coverage 97%
✓ Good 97% DCI-P3 — excellent for professional work. Reliable for photo editing and video colour grading.
HDR Support DisplayHDR 400
HDR10
△ Average HDR400 — entry-level HDR. Unlocks the HDR signal but peak brightness limits the cinematic effect. Step up from SDR; not a premium HDR experience.
☀️ Brightness & Contrast 3
Specification Value 💡 What It Means
Brightness (Typical) 350 cd/m²
△ Average 350 cd/m² — comfortable indoors. May wash out next to a bright window or in direct sunlight.
Peak Brightness 400 cd/m²
△ Average 400 cd/m² — adequate for bright rooms and entry HDR. Standard office use is comfortable.
Contrast 1300 : 1
△ Average 1300 : 1 — standard IPS-level. Blacks appear slightly grey in very dark rooms.
Performance 3
Specification Value 💡 What It Means
Refresh Rate 48 Hz - 255 Hz
✓ Good 240Hz — built for competitive gaming (CS2, Valorant, Apex). Motion blur is virtually eliminated at this rate.
Response Time 1 ms (GtG)0.3 ms (MPRT)
✓ Good 1 ms (GtG)0.3 ms (MPRT) GtG — near-instant pixel transitions. Ghosting is invisible even in fast esports.
Adaptive Sync AMD FreeSync Premium
NVIDIA G-Sync Compatible
VESA AdaptiveSync Display 255Hz
✓ Good FreeSync Premium — tear-free gaming with LFC (prevents judder below minimum Hz). Works on AMD and NVIDIA GPUs.
🖥️ Display Technologies 1
Specification Value 💡 What It Means
Advanced Display Technologies Panel Technology: -
Backlight: W-LED
Viewing Angles: 178° / 178° (H / V)
MPRT Response: 0.3 ms (MPRT)
Dynamic Contrast: 100000000 : 1
Input Lag: -
Screen Coating: Anti-glare/Matte
Anti-glare matte coating. 178° wide viewing angles.
📷 Camera 1
Specification Value 💡 What It Means
Camera No
⚠ Limited No built-in camera. An external webcam is needed for video calls.
🔊 Audio 1
Specification Value 💡 What It Means
Audio 3.5 mm Audio Out
3.5mm headphone/audio output — connects wired headphones or routes audio to external speakers.
🔌 Connectivity & Ports 2
Specification Value 💡 What It Means
Ports 1 x USB 3.2 (Type-C; Gen 1; 5 Gbps; upstream; 15W; DP Alt Mode)
1 x HDMI 2.1
1 x DisplayPort 1.4 (HBR3)
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)
✓ Good USB-C (single-cable display + data, charging if PD supported). HDMI 2.1 — supports 4K@144Hz or 8K@60Hz bandwidth. DisplayPort 1.4 — full bandwidth for high-refresh PC gaming.
Wireless -
🪑 Ergonomics 6
Specification Value 💡 What It Means
VESA Mount 100 x 100 mm
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
Height Adjustment 110 mm
✓ Good 110 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
Pivot ±90°
✓ Good Pivot — screen rotates 90° to portrait. Ideal for code, reading documents, or social feeds.
Swivel ±45°
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
Tilt -5° to +20°
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
Removable Stand Yes
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
🎮 Gaming Features 1
Specification Value 💡 What It Means
Gaming Features Adaptive-Sync technology
AMD FreeSync Premium
Dynamic Crosshair
Dynamic Shadow Boost
Extreme Low Motion Blur Sync (ELMB Sync)
Fast IPS
GameFast Input
GamePlus
GameVisual
NVIDIA G-Sync Compatible
Tace Free technology
Variable Overdrive 2.0
VESA AdaptiveSync Display 255Hz
✓ Good NVIDIA G-Sync Compatible (tear-free). AMD FreeSync (tear-free).
📺 Smart & Software Features 2
Specification Value 💡 What It Means
Operating System -
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
Smart Features 6-axis Color Adjustment
AI Visual
Asus DisplayWidget Center
Asus Power Sync
Color Temperature Selection (8 modes)
Flicker-free technology
Gamm Adjustment
Low Blue Light
ROG Gaming A.I technology
✓ Good 6-axis Color Adjustment AI Visual Asus DisplayWidget Center Asus Power Sync Color Temperature Selection (8 modes) Flicker-free technology Gamm Adjustment Low Blue Light ROG Gaming A.I technology — smart TV platform with built-in streaming apps and voice control.
Power Consumption 5
Specification Value 💡 What It Means
Voltage 100–240V
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
Frequency 50/60Hz
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
Average Consumption 21W
✓ Good 21W — very energy efficient. Low electricity cost even for all-day use.
Maximum Consumption -
Peak power draw not published. Typically 2–3× the average consumption figure.
Standby 0.3W
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
📋 Certificates 1
Specification Value 💡 What It Means
Certificates TÜV Rheinland Flicker-free Certified
TÜV Rheinland Low Blue Light Certified
✓ Good CE — meets EU safety & electromagnetic standards.
📐 Design, Build & Dimensions 9
Specification Value 💡 What It Means
Without Stand Width 614.8 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Height 367.1 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Depth 63 mm
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Weight 3.87 kg
✓ Good 3.87 kg — lightweight; easy to position or wall-mount solo.
With Stand Width 614.8 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Height 393.4 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Depth 188.7 mm
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Weight 5.96 kg
△ Average 5.96 kg — standard weight for this panel size.
Color Black
Available colour finish for this unit.
📋 Operating Conditions 2
Specification Value 💡 What It Means
Temperature 0°C – 40°C
Operating environment range. Keep within these limits for reliable long-term performance.
Humidity -
Operating environment not specified. Standard indoor conditions (15–35°C, 20–80% humidity) apply.
Frequently Asked Questions — Asus ROG Strix XG27ACMES
01 What type of panel does the Asus ROG Strix XG27ACMES use?
It features an IPS panel, which delivers wide 178° viewing angles and consistent colour accuracy. Colours stay accurate whether you're sitting centred or off to the side.
02 Is the Asus ROG Strix XG27ACMES good for competitive gaming?
✓ Yes. The 255Hz refresh rate is built for esports — it displays every rendered frame, reducing motion blur in fast games like CS2 and Valorant. The 1ms response time keeps pixels sharp between kills. FreeSync Premium prevents screen tearing when GPU output fluctuates.
03 Is the HDR on the Asus ROG Strix XG27ACMES any good?
The HDR400 certification is entry-level HDR ⚠ Not premium HDR. It unlocks HDR signals from Netflix and other platforms, providing a step up from SDR. However, peak brightness is not high enough for the full cinematic HDR effect — panels rated HDR600 or above deliver that. For casual HDR viewing it is fine; for dedicated HDR enthusiasts it is not.
04 Is the Asus ROG Strix XG27ACMES suitable for photo or video editing?
✓ Yes133% DCI-P3 coverage means the colours you grade in Lightroom or DaVinci Resolve stay consistent when exported to screen and print. Suitable for professional colour work without a dedicated calibration monitor.
05 Who is the Asus ROG Strix XG27ACMES best for?
It is best suited for gamers, content creators. It is less ideal for premium HDR experiences — there are better-spec'd options for those needs. Check the "Who Should Buy" section above for a full profile breakdown.
06 Does the IPS panel cause issues in dark rooms?
IPS panels produce a slight glow in very dark rooms when displaying black content — this is normal for the technology. It is most noticeable in pitch-black rooms. For dark-room cinematic use, a VA or OLED panel would produce deeper blacks. For everyday and office use it is not an issue.
07 Is the Asus ROG Strix XG27ACMES worth buying in 2026?
It remains a competitive option for gamers, content creators. 255Hz keeps it relevant for gaming and smooth general use. Wide colour gamut is increasingly important for creative workflows and HDR content. Check current pricing against alternatives to confirm value at the time of purchase.
Questions are generated from Asus ROG Strix XG27ACMES specifications. For full technical data, see the Specifications tab above.
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  • Design score
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  • HDR score
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  • 9
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