For 4K, HDMI 2.0, rx460, GTX1050 or above is required. (support stand-alone graphics card computer only, not support integrated graphics PC)Prerequisite: only support the resolutions that graphics card supports, CAN’T emulate a higher pixel that laptop don’t support.Windows system: 4K@60Hz, 4096 x 2160, 3840x2160, 2880x1800, 2560x1600, 2560x1440, 2048x1536, 1920x1440, 1920x1200, 1920x1080, 1600x1024, 1440x900, 1366x768, etc.MAC system: Max 4K, only support the resolution that MAC display If GPU is often disabled until a display is attached resulting in poor performance and a limited working resolution for remote desktop, compact headless ghost HDMI emulator plug is a life saver for adding a virtual monitor to computer. Once it’s attached, PC will have GPU enabled to start various of tasks. Single HDMI dummy plug display emulator help you not have to connect a real monitor at all, and still get a virtual screen with its own EDID when using remote management software such as VNC, OBS. Gaining remote access to computer at 4K: If main workstation is 4K screen (TV, 27” iMac, etc.), simple 4k HDMI dummy plug adapter gives you several monitor resolutions to choose from and prevents system from defaulting to the lowest resolution when rebooting the system. So you can have remote desktop accessed to a headless MAC mini server, closed-lid laptop, Intel NUC, Compulab fit-PC at high resolution and high frame rate, don’t have to suffer the annoying issue of small screen sharing. Fit-headless HDMI display emulator simplifies streaming game and multimedia from a headless gaming PC to living room with high refresh rate and HDMI audio. Headless Ghost Display Emulator HDMI adapter 1080P enables the mining rig boots normally; saves the need to connect a display to PC when used with VR headset. HDMI Male InterfaceWindows 11 10 8.1 8 7 XP, MAC OSX, Linux,etc. What’s Included: Gold plated HDMI Dummy Plug 5 pack