A:Answer Hi ThomasB, Thank you for your question. All HDMI jacks on the receiver support 4K, HDCP 2.2, ITU-R BT.2020 wide color spaces, 3D, Deep Color (Deep Colour), and HDR (High Dynamic Range) contents pass-through. You may check this link for more details:
https://helpguide.sony.net/ha/strdn108/v1/en/contents/TP0001221270.html?search=pass-through
~Earl