ASUS ROG Strix 27” 1440P HDR Gaming Monitor (XG27ACMES)
Bottom line: The ASUS ROG Strix 27” 1440P HDR Gaming Monitor is a specs-and-price decision rather than a crowd-consensus one in the gaming monitors category, priced around $307.95. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-09-30. Price and availability subject to change.
Pros & Cons
Pros
- ✓ ROG Gaming A.I technology with AI-powered features to enhance users' gaming experience
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Elevate your gaming experience with the ROG Strix XG27ACMES, meticulously crafted for utility and performance. Immerse yourself in smooth, lifelike visuals boasting a 1440p resolution, 255Hz (OC) refresh rate, and lightning-fast 0.3ms response time (min.). Conquer challenges effortlessly with AI-powered features and enhance your connectivity options with the inclusion of a versatile Type-C connection, ensuring you stay ahead while enjoying the convenience of modern connectivity
SpecPicks Verdict
SpecPicks scored ASUS ROG Strix 27” 1440P HDR Gaming Monitor (XG27ACMES) – QHD… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 27-inch (2560 x 1440) HDR gaming monitor with ultrafast 255Hz (OC) refresh rate designed for professional gamers and immersive gameplay
- ASUS Fast IPS technology enables a 0.3ms response time (min.) for sharp gaming visuals with high frame rates
- ASUS Extreme Low Motion Blur Sync (ELMB SYNC) technology enables ELMB together with variable refresh rate, eliminating ghosting and tearing for sharp gaming visuals with high frame rates
- ROG Gaming A.I technology with AI-powered features to enhance users' gaming experience
- DisplayWidget Center enables easy monitor settings adjustments with a mouse
- USB Type-C with DP Alt mode, meaning that you can connect your device with clutter-free set-up
Full Specifications
| Brand | ASUS |
|---|---|
| Color | BLACK |
| Shape | Flat |
| Voltage | 240 Volts |
| Brightness | 400 Candela per Square Meter |
| Model Name | XG27ACMES |
| Resolution | QHD 1440p |
| Unit Count | 1.0 Count |
| Color Gamut | 133 |
| Pixel Pitch | 0.233 |
| Screen Size | 27 Inches |
| Aspect Ratio | 16:9 |
| Connectivity | USB |
| Display Type | LED |
| Model Number | XG27ACMES |
| Refresh Rate | 255 Hz |
| Adaptive Sync | FreeSync Premium, G-Sync Compatible |
| Mounting Type | 100 x 100 |
| Response Time | 0.03 Milliseconds |
| Screen Finish | Matte |
| Full listing title | ASUS ROG Strix 27” 1440P HDR Gaming Monitor (XG27ACMES) – QHD (2560x1440), 255Hz, 0.3ms, Fast IPS, Extreme Low Motion Blur Sync, G-SYNC Compatible, DisplayWidget, Tripod Hole, Gaming AI, 3 yr warranty |
Ready to buy?
ASUS ROG Strix 27” 1440P HDR Gaming Monitor (XG27ACMES) – QHD (2560x1440), 255Hz, 0.3ms, Fast IPS, Extreme Low Motion Blur Sync, G-SYNC Compatible, DisplayWidget, Tripod Hole, Gaming AI, 3 yr warranty is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-09-30. Price and availability subject to change.
Related Gaming Monitors
ASUS ROG Strix 27” 1440P HDR Gaming Monitor head-to-head
Side-by-side specs, prices, and a pick for each matchup — no tab-switching.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Leanstral 1.5 on an RTX 3060 12GB: Local Math + Bug-Finding Benchmarks
- AA-AgentPerf: What the New Agentic Benchmark Means for Local Coding Rigs
- Can a Raspberry Pi 4 8GB Run a Local LLM in 2026? tok/s for TinyLlama, Phi, and Qwen
- Best 1440p Gaming Monitor for an RTX 3060: ASUS TUF 2K vs KOORUI 4K
- IBM Granite 4.1 8B vs Qwen 3.6 27B: Which Small Local Model Wins on a 16GB GPU?
- Mac Studio M3 Ultra vs RTX 5090 for AI Inference in 2026
- Crucial BX500 vs Samsung 970 EVO Plus: SATA vs NVMe Boot Drive
- How Sega's $5M bet saved Nvidia in 1996 — and shaped every GPU launch since
- Mistral Medium 3.5 Hardware Requirements: 128B Dense, 78 GB at Q4
- Best SATA SSD to Revive an Old Laptop: Crucial BX500 vs Samsung 870 EVO
- Voodoo 5 6000 Lab Method: Two Motherboards, One Dead BIOS
- OpenAI Tripled Revenue to $5.7B but Burned $3.7B: What It Means for Local AI
- Add AI Vision to a Raspberry Pi 4 8GB with an AI Accelerator (2026)
- Build a Pocket Retro Emulation Handheld on the Raspberry Pi Zero W in 2026
- Sound Blaster Audigy 2 ZS on Windows XP: Driver Install and Gotchas in 2026
- Aider vs Cline vs Continue.dev on a Local RTX 3060 (2026)
- Wooden CPU Cooler: How to Build One and What to Expect
- RetroArch Cores Download Guide: Safe Sources 2025
- Voodoo 3 3500 TV vs GeForce 256 DDR: The Last Great 1999 Gaming GPU Showdown
- Self-Hosting Jellyfin on a Raspberry Pi 4 8GB: What It Can Really Do
- Best SATA SSD for Gaming and Game-Library Storage in 2026
- Ryzen 5 5600G vs Ryzen 7 5700X for a 24/7 LLM Server
- Best Game Controller for PC in 2026: 5 Picks From DualSense to Arcade Stick
- Build a RetroPie Handheld in 2026: A Complete Step-by-Step Guide
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090