Any good-quality high-speed HDMI cable should be able to carry a 3D video signal. Choose a high-speed HDMI cable to ensure the cable supports current technologies. Any good-quality high-speed HDMI cable should be able to carry a 4K video signal..
Accordingly, do I need a special HDMI for 4k?
When it comes down to 4K TV, you do not need to pick up special HDMI cables. In other words, don't immediately toss out your old HDMI cables for the newest HDMI 2.0a or 2.1. The HDMI cable standard can impact color and resolution, but newer versions are not required for 4K TV.
Also, are all HDMI cables the same? Not all HDMI cables are the same. It's true that HDMI is a digital signal, and that as long as the signal is passed cleanly, you won't be able to tell the difference between two different cables. However, digital signals are a pass/fail proposition.
Secondly, what HDMI cable should I buy?
HDMI cables often list their maximum data capacity, and in order to handle 4K/60Hz video signals, the HDMI 2.0 spec raised the maximum capacity from 10.2 Gbps to 18 Gbps. Current HDMI cables that are labeled "high speed" should be able to handle the increased bandwidth of 4K signals at lengths up to three meters.
Are there better HDMI cables than others?
Several companies claim that their HDMI cables sound better than other HDMI cables. One in particular claims this is because there is no error correction on the audio and its cables are more likely to transmit all the data. Audio over HDMI actually has more error correction than the video signal.
Related Question Answers
Does it matter which HDMI port I use?
When it comes to selecting which HDMI port to use for which device, there are only a few simple things to keep in mind. Finally, while any port will get the job done for older HDMI-capable devices, you will absolutely want to be sure you're using best port on your HDTV if you have a newer device capable of 4K input.Can you tell the difference between 1080p and 4k?
In short, it depends. The difference between 1080p and 4K is undeniable in that a 4K screen is capable of displaying four times the number of pixels as a 1080p screen. From a distance, it is virtually impossible for someone to tell the difference in quality between a 1080p and 4K screen.Do gold connectors make a difference?
Gold is actually a worse conductor of electricity than copper, though in practice that matters little. The only real, physical reason to use gold is that unlike copper, it doesn't tarnish. So yes, gold-plated connectors offer a benefit, but it's a marginal one at best.Is it worth getting a 4k TV?
Conclusion. If you're shopping for a TV today, a 4k TV is worth buying over a 1080p TV, provided you sit close enough to see the extra detail and are watching native UHD content. If you're only watching 1080p or even smaller resolution content, it won't give you a boost in quality.How long do HDMI cables last?
50 feet
What is the difference between HDMI 2.0 and 2.0 A?
To be more precise: 30 frames per second for 3,840 x 2,160 and 24fps for 4,096 x 2,160. HDMI 2.0 is designed to support higher bandwidth (up to 18Gbps) than 1.4, and as a result, it's able to do 4K at framerates up to 60fps. A quick feature comparison between the different versions of the HDMI spec.Do all HDMI cables support HDR?
Just because all High-Speed HDMI cables should transmit 4K at 60 fps with HDR, doesn't mean that they all do. The new cables don't have to be re-certified even though the different components may affect performance. It's important to remember that all High-Speed HDMI cables will carry a 4K video signal.Can HDMI Run 4k?
The answer: Yes … most likely. As TV manufacturers enhance their products with Ultra HD resolution, it is not surprising that cable manufacturers are producing 4K HDMI cables. However, your standard HDMI cables will likely support 4K just fine.Are Audioquest cables worth it?
Audioquest has been a manufacturer of audio cables for many years and my understanding is that they have good products. However cables are very system dependent so even with the 70% discount, if the cables does not sound good (or make a difference) in your system, not worth it to purchase.Do I need in wall rated HDMI cable?
In-wall video and data cabling should be CL2 or CL3, in-wall speaker cabling should be CL3. If you are running cable through an air return it must be CMP. In commercial applications, if you are running cable between floors it must be CMR or CMP. By law all rated cables have these codes stamped on the outer jacket.Do HDMI cables go bad?
The one caveat to all this is that while HDMI cables don't simply go bad over time– they may need to be replaced one day. There are physical damage reasons that that might happen, such as extreme force shearing the cable in two, or damaging the internal wiring.How do I know if my HDMI cable is ARC?
This is usually indicated by a label on the set itself. If the HDMI ports aren't clearly labeled, you can check the TV manual, which should indicate which HDMI port to use. Second, you may need to activate ARC output on the TV. You will generally find this feature in the Settings menu, under Audio.What are premium HDMI cables?
The Premium HDMI Cable Certification Program is designed to help consumers buy a "future proof" cable. The Premium HDMI Cable Certification Program -- the brainchild of industry body HDMI Licensing -- is a way to identify cables that have been tested to perform at a specific level, i.e. they can pass 4K content.What is a HDMI cable used for?
HDMI, which stands for high-definition multimedia interface, supports the connection between a device such as a Blu-ray player or cable box and a flat-screen HDTV or projector. The cables are also used for audio equipment such as mixers, recording systems and speakers. HDMI cables use the same technology as DVI cables. Do I need an HDMI cable for my Smart TV?
Full HD TVs and regular Blu-ray players will need a standard HDMI 1.4 cable to connect them to other devices – like your Sky box. Tip: If you have a Smart TV that connects to the internet, you can also get an HDMI cable with built-in Ethernet – so you won't need as many cables.What is the difference between HDMI and HDMI ARC?
HDMI is an abbreviated form of High Definition Multimedia Interface. It is a single cable that helps to transmit high definition video and audio. Audio Return Channel, or ARC, uses a single HDMI connection to send audio from a TV to the soundbar or AV receiver.Do Gold HDMI cables make a difference?
Gold-plated HDMI cables are of a higher grade, and they are better and larger conductors. They boast better shielding and are even more durable than regular HDMI cables. It is also true that gold-plated ends will not have the oxidation that may be found in regular HDMI cables.Do HDMI cables go both ways?
Yes, HDMI does carry signals both ways, but only where the various HDMI "protocols" call for it. A Tivo or other recorder is needed, just like you suggested. Then you use a HDMI switch for the "recorder" and DVD player to use the single HDMI cable to the TV.Is there a difference between HDMI 1.4 and 2.0 cables?
In a nutshell, HDMI 2.0 is designed to handle more bandwidth than HDMI 1.4. Both can deliver 4K video, but HDMI 2.0 can transfer up to 18Gbps whereas HDMI 1.4 can only transfer up to 10.2Gbps. That extra bandwidth allows HDMI 2.0 to deliver a few extras that might have seemed unnecessary just a few years ago. 
