Originally Posted by Mary Braun
I recently pre ordered the Sony Z8h from my local Gramophone, they think it should be in by July. Since it is 8k are there any suggestions for 8k hdmi cables from this group, would like to reap the best picture possible. Also ordered the Panasonic DP-UB9000P-K, so would probably need same type of cable for it. Thank you in advance for suggestions.
There aren't any certified 8k cables on the market. There are lots of cables claiming 8k capability (48Gbps, HDMI 2.1) but there is no way to verify that because there isn't any source material that is 8k that requires 48Gbps data rates, and there aren't any panels that are true 12-bit. It appears that Sony's 8k panels can do 8k and VRR, ALLM (via future upgrades) and eARC so those are the only "HDMI 2.1" features currently available.
All of your HDMI connected devices will need to have the same HDMI 2.1 option sets available for complete compatibility.
Depending on the length of your cable run, a Premium High Speed HDMI cable, up to 25', with the QR label for authenticity, will work until there are certified Ultra High Speed HDMI cables available. However, those cables will be passive only so if you need an active cable because your cable run is over 25', active cables cannot be certified.
Keep in mind that the cable is just the data pipe. It cannot alter the pq in any way. What you can get is determined by HDMI chipsets at the source and sink end.