AOC introduced the U27G4Z, a gaming monitor that targets players who need high frame rates without sacrificing image clarity. This dual-mode design lets users switch between a sharp 2560×1440 resolution at 240Hz and a crisp 1080p mode at 480Hz. Competitive gamers can choose the higher refresh rate for faster reaction times while maintaining a clear picture.
Dual-mode 27-inch Fast IPS panel supports 240Hz UHD and 480Hz FHD
The display relies on a 27-inch Fast IPS panel to deliver its visual performance. This panel type ensures wide viewing angles and consistent colors across the screen. The monitor supports both UHD and FHD resolutions, allowing flexibility for different game genres and hardware capabilities.
Specifications
- Panel: 27-inch Fast IPS
- Resolution Modes: UHD 240Hz / FHD 480Hz
- HDR Certification: VESA DisplayHDR 400
- Connectivity: 2x HDMI 2.1, 1x DisplayPort 2.1
- Response Time: 1ms GtG / 0.3ms MPRT
Connectivity options include two HDMI 2.1 ports with FRL6 support and one DisplayPort 2.1 port with UHBR20 bandwidth. These inputs handle the high data rates required for 240Hz and 480Hz refresh rates. The monitor also features a 3.5mm audio jack and two USB-A 5Gbps ports for peripheral connections.
Visual quality is supported by VESA DisplayHDR 400 certification, which provides 350 nits of SDR brightness and 450 nits of HDR brightness. The panel covers 99% of the sRGB color gamut and 95% of DCI-P3, with a Delta E value under 2 for accurate color reproduction. Response times are rated at 1ms GtG and 0.3ms MPRT to minimize motion blur.
The U27G4Z includes 100x100mm VESA mounting compatibility for flexible desk setups. This model follows previous dual-mode releases from AOC, such as the GU27B36, which also featured a 27-inch Fast IPS panel. Buyers looking for high-refresh-rate options in this size range have a new choice with specific connectivity features.
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