DTECH 4K HDMI Dummy Plug – Headless Display Emulator for Windows, macOS & Linux DT-OT0667
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4K HDMI headless display emulator: Simulates a connected monitor with resolutions up to 4096×2160 @ 60 Hz
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Enables full GPU performance: Prevents resolution throttling and keeps the graphics card active in headless systems
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Plug-and-play design: No drivers, software or external power required
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Wide OS compatibility: Works with Windows, macOS and Linux
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Ideal for remote desktop, GPU acceleration, crypto mining, rendering, simulations and server use
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Gold-plated HDMI connector ensures stable digital signal and corrosion resistance
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Solves common macOS headless display issues
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Compact, lightweight design — easy to install and remove
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Perfect for Mac mini servers, VR streaming, game streaming and remote PCs
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Supplied as a 2-pack for multiple systems or redundancy
The DTECH HDMI Dummy Plug is a compact headless display emulator designed to simulate a connected monitor, allowing your computer or GPU to operate at full performance without an actual screen attached. Ideal for remote desktop access, GPU acceleration, cryptocurrency mining, rendering, simulations and server environments, this dummy plug enables stable high-resolution output even when running headless.
Supporting resolutions up to 4K (4096 × 2160 @ 60 Hz), the adapter ensures your graphics card remains active and avoids low-resolution fallback modes commonly encountered in headless systems. Simply plug it into an HDMI port and your system will detect a virtual display instantly — no drivers, software or external power required.
Compatible with Windows, macOS and Linux, the DTECH HDMI Dummy Plug is a must-have accessory for servers, Mac mini setups, VR streaming, game streaming, SOHO systems and remote-deployed PCs.
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