Amazon.com: DTech HDMI Dummy Plug 4K Display Emulator Compatible with Windows Mac OSX Linux Support 4kx2k 2160P 1080p for Computer Desktop (fit-Headless, 2 Pack) : Electronics
Amazon.com: HDMI Pass-Through EDID Emulator for use with Video splitters, Switches and Extenders (fit-Headless) 3840x2160@60h&Attention:(NOT Support Dp to HDMI Adapter Cable Connection ) : Electronics
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
ATEN VC080 4K HDMI EDID Emulator with Programmer
Amazon.com: Woieyeks 4K HDMI EDID Emulator Passthrough Adapter,Female Port Connected to an External Display,for Extender/KVM Switch/AV Receiver/Video Splitters Support 3840x2160@60HZ,1080@60/120HZ(1 Pack) : Electronics