While most hardware you buy will come bundled with an HDMI cable that meets the transmission standards required, there are plenty of manufacturers selling premium models, often with double-take price points. AudioQuest's Dragon 48 is an example, selling at £2,900 for a 2m connection. Obviously, this means it's only ever likely to be installed in a high-end system.
As the name suggests, the Dragon 48 offers 48Gbps bandwidth, so is suitable for the 8K and 10K video standards of the HDMI 2.1 spec. But what it chiefly promises is advanced protection against signal noise – all cables act like aerials, and it’s the RF noise they pick up that can affect signal quality, as it's passed to the part of the chain where it's translated from digital to analogue.
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