AOC G4 Q27G42XNE computer monitor 68.6 cm (27 inch) 2560 x 1440 pixels Quad HD LED Black, Red

The AOC G4 Q27G42XNE is a 27" Quad HD (2560 x 1440) LED monitor with a Fast VA panel designed for gaming and multimedia. It offers a 180 Hz refresh rate, 1 ms GtG response time, HDR10 support, AdaptiveSync (G-Sync compatible), low input lag, built-in speakers and VESA mounting, all in a black-and-red chassis. The monitor provides wide 178° viewing angles and recyclable packaging, with G-Menu software available for on-screen adjustments.

Advantages

This monitor combines a 27" QHD Fast VA panel with a high 180 Hz refresh rate and 1 ms response time to deliver smooth, detailed motion suitable for fast-paced games. HDR10 support and a typical brightness of 300 cd/m² improve contrast and color detail, while AdaptiveSync reduces screen tearing. Built-in speakers and VESA compatibility add installation flexibility, and recyclable packaging supports more eco-conscious handling.

Suitable for (tasks / use cases)

• Competitive and casual gaming where high refresh rate and low response time matter
• Multimedia playback and streaming at Quad HD resolution
• General productivity and collaborative work thanks to wide viewing angles
• PC setups requiring VESA mounting or built-in audio

Key specifications

• Display diagonal: 27"
• Resolution: 2560 x 1440 (Quad HD)
• Panel type: Fast VA
• Refresh rate: 180 Hz
• Response time: 1 ms (GtG)
• Brightness (typical): 300 cd/m²
• Contrast ratio (typical): 5000:1
• HDR: HDR10
• AdaptiveSync: G-Sync compatible (AdaptiveSync)
• Built-in speakers: Yes
• VESA mounting: Yes
• Screen shape: Flat
• Product colour: Black, Red

How to use

Connect the monitor to your PC or console using a compatible DisplayPort or HDMI cable that supports 2560 x 1440 at high refresh rates. Use the on-screen menu or G-Menu software to enable AdaptiveSync, set the refresh rate to 180 Hz, and configure HDR10 if your source supports it. Adjust brightness, contrast, and color settings to your preference and mount the monitor using a VESA-compatible arm or stand if needed. Ensure speakers are selected in your system audio settings when using the built-in speakers.

Recommendations

For the best gaming experience, use a GPU and cables that support QHD at 180 Hz and enable AdaptiveSync in both the monitor OSD and your graphics driver. Calibrate brightness and contrast in well-lit conditions and follow ergonomic guidelines for screen height and viewing distance.