AOC U27G4 Gaming Monitor – 27″ Dual-Mode Display, 4K UHD 160Hz / FHD 320Hz, Fast IPS, 1ms GTG, Adaptive-Sync

Display Overview

• Model: U27G4
• Screen Size: 27" (Fast IPS panel)
• Resolution:
  • 4K UHD (3840×2160) @ up to 160Hz (via DP 1.4 or HDMI 2.1)
  • FHD (1920×1080) @ up to 320Hz (via DP 1.4 or HDMI 2.1)
• Effective Viewing Area: 596.16 mm (W) × 335.34 mm (H)
• Pixel Pitch: 0.15525 mm (H × V)

Image Quality & Color

• Brightness: 350 cd/m² (typical)
• Contrast Ratio: 1000:1 (typical), with MEGA DCR (dynamic contrast)
• Viewing Angles: 178°/178° (horizontal/vertical, CR > 10)
• Color Gamut:
  • sRGB: 127% (CIE 1931)
  • DCI-P3: 99% (CIE 1976)
  • NTSC: 108% (CIE 1976)
• Color Accuracy: Delta E < 2 (excellent out-of-box accuracy)
• Display Colors: 1.07 billion (10-bit)

Performance & Sync

• Response Time:
  • 0.3 ms MPRT @ 320Hz
  • 0.5 ms MPRT @ 160Hz
• Adaptive Sync:
  • AMD FreeSync™ Premium
  • NVIDIA G-SYNC Compatible (for units manufactured on or after Nov 5, 2025)

Connectivity

• Inputs:
  • HDMI 2.1 × 2
  • DisplayPort 1.4 × 1
• HDCP: 2.2 on both HDMI and DisplayPort
• Audio: 3.5mm headphone jack (no speakers, no line-in)
• USB Hub: Not included

Design & Ergonomics

• Cabinet Color: Black with red accents
• VESA Mount: 100 × 100 mm
• Adjustable Stand:
  • Height: Up to 130 mm
  • Tilt: –5° to +23°
  • Swivel: –30° to +30°
  • Pivot: –90° to +90° (portrait mode supported)
• Removable Stand: Yes

Physical Dimensions & Weight

• Without Stand: 613.89 (W) × 366.31 (H) × 51.28 (D) mm | 4.28 kg
• With Stand: 613.89 (W) × 386.03–516.03 (H) × 239.9 (D) mm | 5.78 kg
• Packaging: 825 (W) × 481 (H) × 162 (D) mm | 9.47 kg

Power & Compliance

• Power Supply: Internal (100–240V, 50/60Hz)
• Typical Power Consumption: 34 W
• Regulatory Approvals:
  CE, RoHS, BSMI, KC, KCC, e-Standby, RCM, MEPS

Key Notes

• No built-in speakers or USB hub
• Optimized for competitive gaming with ultra-high refresh rates (up to 320Hz in FHD)
• Excellent color coverage and factory-calibrated accuracy (ΔE < 2) make it suitable for content creation as well
• G-SYNC compatibility confirmed for units produced from November 5, 2025 onward