Product Overview

ROG Swift PG27UCDM is a 26.5" 4K QD-OLED gaming display built for speed and precision. With 240Hz refresh, 0.03ms response, and 99% DCI-P3 true 10-bit color, it delivers razor-sharp detail and superb motion. Connectivity includes DisplayPort 2.1a UHBR20, 2× HDMI 2.1, and USB-C with up to 90W power delivery for modern GPUs and laptops.

Key Features

• 26.5" 4K (3840×2160) QD-OLED • 240Hz • 0.03ms (GtG)
• True 10-bit color • 99% DCI-P3 • G-SYNC Compatible • FreeSync Premium Pro
• HDR formats: Dolby Vision and HDR10
• OLED Care Pro (Neo Proximity Sensor, Pixel Cleaning, Screen Move)
• OLED Anti-Flicker 2.0 with luminance compensation; ELMB for motion clarity
• I/O: 1× DisplayPort 2.1a (UHBR20), 2× HDMI 2.1, 1× USB-C (DP Alt Mode, up to 90W PD), USB hub, 3.5mm audio out
• Ergonomics: height (≈120 mm), tilt −5°/+20°, swivel ±30°, pivot ±90° • VESA 100×100

Specifications

• Aspect ratio: 16:9 • Pixel density: ~166 PPI
• Color depth: 10-bit (1.07B) • Gamut: 99% DCI-P3
• Adaptive sync: NVIDIA G-SYNC Compatible / AMD FreeSync Premium Pro
• HDR support: Dolby Vision & HDR10
• With stand (W×H×D): 24.0–24.1" × ~21.6" × 8.6" • Weight with stand: 16.8 lb

Technical Details

DP 2.1a UHBR20 provides up to 80 Gbps to drive uncompressed 4K240 on supported GPUs. USB-C with DP Alt Mode consolidates display and up to 90W charging for laptops. Anti-Flicker 2.0 and ELMB improve perceived clarity, while OLED Care Pro mitigates static-image wear.

Highlights

• 4th-gen QD-OLED for sharper text and improved panel longevity
• Uncompressed 4K240 via DP 2.1a; dual HDMI 2.1 for consoles
• Creator-ready color with true 10-bit and wide DCI-P3 coverage

Why this is the best choice

If you want the cutting edge of speed and image quality in a desk‑friendly size, the ASUS ROG Swift PG27UCDM stands out. Its 27-inch 4K QD‑OLED panel pairs razor‑sharp detail with pixel‑level lighting control for true blacks, high contrast, and richly saturated color that makes both fast games and cinematic worlds look lifelike. A blistering 240 Hz refresh and 0.03 ms response time deliver exceptional motion clarity, so targets stay crisp in competitive shooters and camera pans remain smooth in open‑world adventures. It’s G‑SYNC Compatible for tear‑free gameplay across fluctuating frame rates, and supports Dolby Vision and HDR10 for more nuanced highlights and shadow detail in supported titles and streaming content. Connectivity is built for today and tomorrow: DisplayPort 2.1a (UHBR20) unlocks next‑gen bandwidth for high‑end PCs, two HDMI 2.1 ports are ideal for current‑gen consoles, and USB‑C with 90 W power delivery simplifies a clean, single‑cable laptop setup. The result is a monitor that excels at esports‑grade responsiveness without sacrificing premium 4K visuals—equally comfortable in a gaming battlestation or a creator’s workspace where color and clarity matter. As a simple caveat, like any OLED, you’ll want to enable the built‑in panel care features and vary static content to minimize image retention over time.

Material Quality

A custom heatsink and optimized thermal path help sustain OLED performance during long sessions, while the stand offers solid, wobble-free support.

Design and Functionality

Clean rear I/O, a tripod mount for webcams, and full ergonomics fit streaming and multi-angle setups. USB-C 90W reduces desk clutter for laptop users.

Performance and Effectiveness

240Hz at 4K with 0.03ms pixels and ELMB yields elite motion clarity. QD-OLED’s per-pixel lighting produces true blacks and high perceived contrast for FPS, racing, and cinematic titles.

Innovation or Exclusive Features

OLED Anti-Flicker 2.0 smooths luminance during FPS swings. OLED Care Pro adds the Neo Proximity Sensor to blank the panel when you step away, reducing static exposure.

Value for Money

Replacing both a high-Hz esports panel and a 4K creator screen, PG27UCDM consolidates setups while its 3-year warranty adds long-term assurance.

Comparison with Competitors

Compared with 4K120 IPS or 4K240 WOLED alternatives, QD-OLED offers higher perceived sharpness at 166 PPI and richer colors, while DP 2.1a UHBR20 enables uncompressed 4K240 on capable GPUs.

Warranty and Support

Includes a 3-year limited warranty. ASUS utilities and firmware updates support OLED care and feature tuning.

Maintenance and Ease of Use

Enable Screen Move/Pixel Refresh and reasonable HUD timers; use varied content for longevity. Cable DP 2.1a for 4K240 PC, HDMI 2.1 for consoles.

Final Verdict

If you want the state-of-the-art 4K240 experience with OLED contrast and future-proof I/O, PG27UCDM stands at the top of the 27-class stack.

• ✅ Pros: 4K240 QD-OLED, 0.03ms, DP 2.1a UHBR20, 2× HDMI 2.1, USB-C 90W, Dolby Vision/HDR10, OLED Care Pro
• ⚠️ Cons: OLED care habits required; max brightness depends on ABL/content; premium pricing
• 🎯 Unique: Uncompressed 4K240 over DP 2.1a with QD-OLED clarity in a 27-class form factor