Ocean Matrix OMX-03HMHM0002 4K HDCP 2.2 to HDCP 1.4 Converter
Amazon.com: SIIG DisplayPort 1.2 to HDMI 1.4 Cable 4K @30Hz - DP to HDMI Male to Male Adapter - HDCP - 10 Feet, Connect Any DisplayPort-Enabled PC or Laptop to an HDMI
Link Bridge HDMI 1.4 HDCP2.2 to HDCP 1.4 Converter LB-H2-HDCP21