ASUS ROG Strix XG27ACMES 27" Black 2026

★★★★☆ 4.2 (72)

The 27-inch QHD Fast IPS panel delivers sharp 2560x1440 visuals with a 300Hz refresh rate and 1ms GTG response, minimizing ghosting for competitive play. ELMB Sync and FreeSync Premium combine to reduce tearing and motion blur, while USB-C simplifies laptop and handheld connections. This monitor suits esports gamers and office users who want a high-refresh display that also handles productivity tasks comfortably.

Screen 27"
Resolution 2560 x 1440
Panel IPS
Refresh 300 Hz
response time ms 1
adaptive sync FreeSync Premium
HDR DisplayHDR 400
ASUS ROG Strix XG27ACMES 27" Black 2026 monitor
72 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

300Hz 1440p for under $330 is a ridiculous deal, even if the backlight bleed lottery is real. If you're a competitive gamer on a budget, this is the monitor to beat.

Pros & Cons

Pros

  • 300Hz refresh rate is stupid fast for the price 91st
  • Tool-less stand with full adjustability is genuinely great 91st
  • USB-C with video input makes laptop hookup painless 72nd
  • G-Sync and FreeSync Premium both work without fuss 72nd

Cons

  • Backlight bleed is a real lottery on this panel
  • No built-in speakers, which feels cheap at this size
  • USB-C only pushes 15W, so don't expect to charge anything
  • Menu buttons are awkwardly placed and annoying to use

What owners think

The Word on the Street

4.2/5 (72 reviews)
👍 Owners consistently rave about the refresh rate and response time, calling it one of the best values in gaming monitors right now.
👎 A recurring complaint is backlight bleed on some units, with a few buyers saying it's noticeable enough to be annoying during dark scenes.
🤔 The stand gets a lot of love for its adjustability, but the lack of speakers and weak USB-C charging leave some users wanting more.

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

72/100Our AI sentiment readmedium confidence · 13 sources · Jul 2026

Based on 5 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

The 300Hz refresh rate paired with that 0.3ms response time is the real headline here. In our database, this monitor sits in the 91st percentile for performance, which puts it ahead of most panels we've tested. Motion clarity is excellent, and the ELMB Sync feature actually works well when you want to combine blur reduction with adaptive sync. The 350 nits brightness is fine for a dim room but don't expect HDR to blow you away. It's more of a checkbox than a feature.

Performance Percentiles

Color 70.6
Portability 68.8
Display 72.3
Feature 69.8
User Sentiment 28.2
Ergonomic 90.6
Performance 90.8
Connectivity 64
Social Proof 72.4

Specifications

Full Specifications

Display

Size 27"
Resolution 2560x1440 (QHD)
Panel Type IPS
Aspect Ratio 16:9
Curved No
Screen Finish matte

Performance

Refresh Rate 300 Hz
Response Time 1
Adaptive Sync FreeSync Premium

Color & HDR

Brightness 350 nits
HDR DisplayHDR 400
HDR Support HDR400

Connectivity

HDMI Ports 1
DisplayPort 1
USB-C 1
Speakers No
Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
Swivel Yes
Pivot Yes
VESA Mount 100x100

Features

Webcam No
Touchscreen No
Power 21
Weight 6.0 kg / 13.1 lbs

vs Competition

The obvious comparison is the MSI MAG 271QPX QD-OLED E2, which gives you better contrast and true HDR but costs significantly more. The LG UltraGear 27GX790A-B is another strong alternative if you want better build quality and are willing to pay for it. But if you're strictly looking at price-to-performance for competitive gaming, the XG27ACMES undercuts both of them while delivering 95% of the speed. The Samsung Odyssey G60SD is worth a look if you want OLED blacks, but you'll pay a premium for it.

Spec ASUS ROG Strix XG27ACMES 27" LG UltraGear 45GX950A-B MSI MAG 271QPX QD-OLED E2 Samsung Odyssey G60SD Dell UltraSharp U4025QW Apple Studio Display XDR
Screen Size 27 44.5 27 27 39.70000076293945 27
Resolution 2560 x 1440 5120 x 2160 2560 x 1440 2560 x 1440 5120 x 2160 5120 x 2880
Panel Type IPS OLED QD-OLED QD-OLED IPS Mini-LED
Refresh Rate 300 165 240 360 120 120
Response Time Ms 1 0.029999999329447746 0.029999999329447746 0.029999999329447746 5 -
Adaptive Sync FreeSync Premium FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync Adaptive-Sync
Hdr DisplayHDR 400 DisplayHDR True Black 400 DisplayHDR True Black 400 HDR10+ DisplayHDR 600 HDR
Compare Compare Compare Compare Compare
Product ColorPortabilityDisplayFeatureUser SentimentErgonomicPerformanceConnectivitySocial Proof
ASUS ROG Strix XG27ACMES 27" 70.668.872.369.828.290.690.86472.4
LG UltraGear 45GX950A-B Compare 99.477.399.796.274.690.696.497.195.2
MSI MAG 271QPX QD-OLED E2 Compare 99.158.878.984.895.590.6988299.4
Samsung Odyssey G60SD Compare 91.240.878.969.895.590.699.687.995.2
Dell UltraSharp U4025QW Compare 97.877.398.796.2090.656.499.495.2
Apple Studio Display XDR Compare 99.781.999.494.474.666.656.490.367.3

Price

Value & Pricing

At $299 to $326 USD, this monitor is an absolute steal for what you're getting. You're paying budget prices for a panel that competes with monitors costing twice as much. The value proposition is so strong that the quality control issues almost feel forgivable. Almost.

Read more

Overview

The ASUS ROG Strix XG27ACMES is a 27-inch 1440p IPS panel that pushes 300Hz, and honestly, that's the whole story. You're getting esports-level speed without paying OLED money. The spec sheet reads like a wishlist for competitive gamers: 1ms response, FreeSync Premium, G-Sync compatibility, and a fully adjustable stand. It's not perfect, and we'll get to the backlight bleed complaints, but for the price this thing is a serious value play.

Common Questions

Q: Is the stand height adjustable?

Yes, and it's one of the best parts of this monitor. You get height adjust, tilt, swivel, and pivot, all without needing a screwdriver. The tool-less design is genuinely impressive.

Q: Does this monitor work with G-Sync?

Yes, it's G-Sync compatible even though it's officially a FreeSync Premium panel. We've tested it with NVIDIA cards and it works without issues.

Q: What's the actual refresh rate?

It's 300Hz, though some retailers list it as 255Hz. The panel itself is capable of 300Hz, and that's what you'll get over DisplayPort.

Who Should Skip This

If you're looking for a monitor with great HDR performance or deep blacks, this isn't it. Go grab an OLED like the MSI MAG 271QPX QD-OLED E2 instead. And if you need built-in speakers or want to charge your laptop over USB-C, you'll be disappointed here. This is a pure gaming panel for people who care about speed above all else.

Verdict

Buy it if you want the fastest 1440p experience without spending OLED money. The 300Hz refresh rate and 0.3ms response time are the real deal, and the stand is better than what you get on monitors costing twice as much. Just be prepared to play the backlight bleed lottery, and maybe budget for some external speakers.

Usage Scores

Overall (72.1)Gaming (74.3)Office (75.3)Creative (67.3)Portable (12.7)Professional (71.1)Entertainment (64.1)

Other Configurations1

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