HDMI-NB-10FT 4K HDMI Cable 10FT, BlueRigger (4K 60Hz HDR, HDCP 2.2, High Speed 18Gbps) - Compatible with PS5, PS4, PS3, Xbox, Roku, Apple TV,
4K HDMI Switch 4x1, 4K@60Hz 4 in 1 Out HDMI Switcher Selector with IR Remote
4K 60Hz HDMI 2.0 Splitter 1X2 1 IN 2 OUT HDR HDCP 2.2 for PS4 Pro Apple TV Box | eBay
HDMI Splitter 1x2 with EDID, 1 in 2 Out Audio Video Distributor Box, HDMI 2.0b, HDCP 2.2, HDR, Support 4K@60Hz Ultra HD 3D for PS4, Xbox, STB, Blu-ray DVD Players Etc -
I heard about HDCP 2.2 but never knew PS4 Pro supported HDCP 2.3? This is after the firmware update 7.50. : r/PS4Pro