Xieoery 48Gbps HDMI Dummy Plug - True 8K 3840x2160@120Hz, 4K 4096x2160@24/30/60/100/120Hz, EDID Emulator, Headless HDMI Dongle for High-Performance Systems

🚚1080P 144Hz Default EDID Profile

Built-in 1920×1080 @ 144Hz EDID profile allows systems to boot directly into a high-refresh Full HD mode, even when no physical monitor is connected.

🚚 High Refresh Rate Support on Selected Resolutions

Supports 120Hz, 144Hz, and up to 240Hz on selected non-4K resolutions, depending on resolution and system configuration. Designed for smooth desktop motion, benchmarking, and GPU-intensive workflows—not as a gaming display output device.

🚚Extended Resolution Compatibility up to 4K

Compatible with 2560×1440, 3040×1440, ultra-wide formats, and 4K UHD resolutions (up to 60Hz), providing flexible EDID detection for advanced and mixed-resolution setups.

🚚 Prevents Black Screens & GPU Downclocking

Maintains a constant EDID handshake to prevent startup black screens, forced low resolutions, “display not detected” errors, and GPU downclocking in headless servers, remote access systems, and GPU rigs.

🚚 Plug-and-Play Aluminum HDMI Dummy Plug

No drivers or external power required. Durable aluminum housing ensures reliable 24/7 continuous operation in professional and industrial environments.