Displayport Headless Ghost Display Emulator for PC 4K DP Dummy Plug (Fit Headless 1080@60Hz 3840X2160@17Hz). EVanlak DisplayPort Headless Ghost Display Emulator for PC 4K DP Blank Plug. headless-dp devices at work for computers that sit on a rack headless (no monitor) can make full use of the capabilities of their internal video cards for GPU processing and rendering.make the computer think that it has a 1080p monitor attached able to make full use of the graphics card.
