Originally Posted by RayPaula
Hi, Just picked up my new 55" C9...... I want to get the best high quality HDMI cable I can for this TV. Any suggestions for bran and Gbps would be most appreciated. Thanks, Ray
At present, if your run is under about 20', then a Premium High Speed HDMI cable (18Gbps) will work. It's a passive cable (active cables can not be certified by an ATC according to HDMI.org) and will come with a QR label for authenticity. That's not a 100% guarantee that the cable will work for all setups but at least you know that it has been tested and certified, following standardized protocols, by HDMI.org to meet all current HDMI 2.0b hardware specifications.
If your run is over 20', then the recommendation is to use the hybrid fiber cable from Ruipro. The current Ruipro cables (4k) are tested by an ATC following the standardized protocols but because the cable is active, it can not get the certification tag for Premium High Speed (18Gbps). The new Ruipro8k is still currently in the testing phase for HDMI 2.1 (which technically will be the "Ultra High Speed HDMI" cable, 48Gbps). As with the 4k cable, it will not be able to get the certification tag because it is an active cable. Hybrid fiber cables are not cheap so be prepared.
How long is your run? If your installation is going to be in-wall, then a 1.5" - 2.0" conduit, with a pull string, is the ONLY way to future proof your cabling. As with all cable installations, bend radius, compatible HDMI chipset versions, etc all play a role in a successful cable connection.
Keep in mind that the cable is just a data pipe. It can not improve pq. You either get the signal with no issues or you don't.
To repeat, no cable mfr regardless of slick marketing and promises in their product descriptions can guarantee that their cable will work in any given setup. Some of us recommend the Ruipro hybrid fiber cables because they have worked remarkably well for long, 4k HDR runs so the expectation is that Ruipro8k cable will work just as well.
As a side note, any cable mfr can submit their cables for certification so you're not limited to one or two mfrs. As long as the cable description says Premium High Speed HDMI cable, and the cable comes with the QR label you're good to go. However, certification of passive cables is limited to 25' (30' in some cases but I wouldn't go beyond 25').