AOC has introduced the Q27G4SMN, a 27-inch Mini LED gaming monitor with high refresh rate support and DisplayHDR 1000 certification. The monitor is now listed on AOC’s official website in China. AOC has not shared global availability or pricing information for the Q27G4SMN.
AOC Q27G4SMN Specifications
The Q27G4SMN features a Fast VA panel with a resolution of 2560×1440 and a 16:9 aspect ratio. AOC equips the display with a full-array, glass-based Mini LED backlight that contains 4,608 LED beads spread across 1,152 local dimming zones. The panel delivers a static contrast ratio of 5000:1 and achieves peak brightness of up to 1200 nits in HDR mode. The monitor is certified for VESA DisplayHDR 1000 and supports four local dimming modes to improve black levels and highlight detail.
The panel supports a refresh rate of up to 300Hz over HDMI 2.1 and DisplayPort 1.4 with DSC. It also supports Adaptive-Sync technology with AMD FreeSync, which reduces screen tearing and stuttering during gameplay. The Q27G4SMN achieves a 1ms GtG response time and includes features such as motion blur reduction, black-level enhancement, shadow control, sniper assist, and a real-time frame counter.
AOC uses a Quantum Dot layer to boost color accuracy. The monitor covers 100% of the sRGB color space and 97% of the DCI-P3 gamut. It supports 10-bit color (1.07 billion colors) and arrives factory-calibrated with a Delta E below 2. Color settings can be fine-tuned through a six-axis adjustment system, and the G-Menu software adds deeper customization controls.
The monitor includes two HDMI 2.1 ports, one DisplayPort 1.4 input with DSC, and an audio output. The on-screen display offers quick access to source switching, game modes, brightness, and other visual settings.
AOC fits the Q27G4SMN with an ergonomic stand that supports tool-free quick release. The stand allows height adjustment up to 130mm, tilt from -5 to 23 degrees, swivel from -20 to 20 degrees, and 90-degree pivot rotation. The monitor also supports VESA 100×100 mounting.
The Q27G4SMN uses TÜV-certified flicker-free technology and low-blue-light modes to reduce eye fatigue during long gaming or work sessions.
In related monitor news, HKC recently introduced a new 27-inch curved pro-grade gaming monitor priced under $200, and Xiaomi debuted the A27Qi 2026 Monitor with 95% DCI-P3 coverage, a 120Hz refresh rate, and slim bezels.
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