PLENUM Fiber ACTIVE Optic HDMI Cables for INCREDIBLE LONG HDMI runs supporting 18Gbps for true 4K@60Hz. Active fiber cables contain copper wires inside the cable run to power the SOURCE and DISPLAY electronics. Removable HDMI-A ends expose the Micro HDMI (Type D) connectors which can be connected directly to Micro HDMI devices. OR, remove the HDMI ends, and replace each (or BOTH) with DVI-D connector ends (Sold separately)