Newer Technology (an OWC brand) HDMI Headless 4K Display Emulator

Take back the full power of your computer's GPU, Remotely access your Mac or PC with native display support Plugging the NewerTech HDMI Headless Video Accelerator into the HDMI port of your Mac or PC activates its GPU, even without a display, emulating resolution displays up to 1080p Use the full power of the GPU without needing a display: Get back to working smoothly on your headless Mac or PC with a NewerTech HDMI Headless Video Accelerator. Ultra-compact, low-profile design HDMI dummy plug 3 Year Newer Technology Limited Warranty