New Generation HDMI 2.1compatible Headless Adapter - 4K@120HZ-hdmi dummy plug Can enable the PC to enable the GPU to create a virtual display to perform tasks,Simulate high resolution for remote control,Up to 4K@60HZ/120HZ, compatible with 1440@60HZ/120HZ,1080P@60HZ/120HZ, etc.(Notice:The graphics card interface must support HDMI 2.1 version to achieve 4K/120HZ refresh rate) | hdmi dummy plug Simple headless ghost display emulator Plug & Play - No drivers, no software, no power cables or configuration required. The latest technology requires extremely low power and emits negligible heat， Guaranteed stability for cryptocurrency mining, video rendering, and simulation mirroring.（Not an HDMI Transmitter/Receiver） | Advantage Compatibility: Applicable to any discrete graphics card, notebook with HDMI output,Support PC Windows, Mac Mini OSX, linux, and other operating systems. ideal for game streaming, VR,and the use of Mini server with screen sharing,streaming from main pc to steam deck or ROG Ally，Used for Govee Gaming Lights on a Wacom Cintiq，Works with win11，Works for 120fps Steam Link，Got this for a headless gaming pc accessed via Moonlight，Best dongle to tweak for 4k 120hz HDR Moonlight streaming. | 4K HDMI 2.1dummy plug makes PC to enable GPU for doing tasks: EDID emulator plugstricks the GPU into thinking there is a monitor attached to allowing HBCC to stay active. Sometime HBCC will disable if SSH into your mining rig will prevent that from happening. Not sure how much HBCC has a factor on other cards，OSX utility Display Menu makes changing resolutions easy. | Gold plated fit-headless hdmi dummy plug dongle ensures stable digital signal，Ghost Adapters works MD graphics card "detected" that a monitor was plugged in. real test was connecting with TeamViewer and AnyDesk,Great for headless RaspberryPi. Tricks VNC display so full resolution. Easier than software solutions and stable.