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This HDMI-Compatible Virtual Display Emulator 4K HD DDC EDID Dummy Plug is a small low-cost DVI EDID Dummy Plug that emulates a high-resolution display to make the computer run “headless” (without a keyboard, mouse, and monitor).
By simulating the presence of an attached display, the emulator allows you to use all of the power and available resolutions locked away inside your graphics hardware, which might otherwise be disabled when there is no screen available.

Once the HDMI Dummy Plug is attached to the video output socket in your computer, your operating system will detect a connected display that enables the GPU external adapter.
It appears as a headless ghost display in the OS graphics card adapter plug properties window for easy identification. GPU hardware is often disabled until a display is attached resulting in poor performance and a limited working resolution for remote users.
With the GPU enabled, it is possible to play games and stream as well as enjoy native high-resolution remote desktop access for workstations, and provide stability to cryptocurrency mining rigs.

Works with PCs, and any other device with HDMI output. HDMI 2.0, rx460, GTX1050, or above is required for 4K.