ROLINE Display Adapter, Virtual HDMI Emulator (EDID), 4K - SECOMP International AG
Amazon.com: BUYMINERS.CA 4K HDMI Dummy Plug - Virtual Monitor Display Emulator, Headless Display Adapter Supports up to 3840x2160@60Hz, 1080@120Hz DVI EDID Emulator (Single) : Electronics
HDMI Dummy Plug 4K High Resolution Virtual Monitor Display Emulator New Generation Headless Display Adapter Compatible with Windows Mac OSX Linux, 3Pack - Walmart.com