New from Cleerline SSF™: 4K Ultra HD Active Optical HDMI™ Cables! All cables incorporate SSF™ Stronger, Safer, Faster glass fiber optic technology for maximum flexibility and durability. Cleerline SSF™ AOCs are built using the latest chipset technology to prevent heat production. All cables are fully tested and 4K UHD (60 Hz 4:4:4) 18 Gbps compatible. Cleerline SSF™ AOC have a plenum outer jacket and are available in lengths from 10 to 30 meters.