Manufacturer Plugable. Quad Display at a Glance: The TAA-compliant, travel-ready Plugable DisplayLink Adapter (USBC-7400H4) connects 4x 4K 60Hz HDMI displays to a USB-C port. The plug-in 4K USB-C Quad HDMI Graphics Adapter (USBC-7400H4) lets you connect up to four 4K 60Hz HDMI displays from a single USB-C port.
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