With the increase in resolutions and new technologies such as HDR, VRR and HFR, the older versions of HDMI cable are becoming obsolete. At the 2017 CES show in Las Vegas, the new HDMI 2.1 standard was unveiled. This new version is designed to enjoy the latest technologies that will be arriving in the coming years.

The HDMI 2.1 version works on top of the HDMI 2.0 platform. This version, as usual, is backward compatible with all previous HDMI standards. The shape of the connector, of course, remains the same, so you can connect an HDMI 2.1 cable to any device with an HDMI input or output.

One of the improvements is in its higher bandwidth that reaches 48 GB/second to support resolutions of up to 10K. The previous version 2.0 reached up to 18 gb / s and up to 4K so it is an important change.
It also supports images at 60 Hz for 8K resolution and 120 Hz for 4K. VRR (Variable Refresh Rate), is another feature supported by version 2.1. This function, designed mainly for video games, varies the rate of frames per second, to improve movements and avoid jumps. The video game sector is undoubtedly one of the main engines of the industry when it comes to launching novelties in image.
How could it be otherwise, it supports dynamic HDR content (Dolby Vision and HDR10 +).

It also adds functions such as Auto Low Latency Mode that improves the fluidity of images avoiding jerks, or eARC (enhanced Audio Return Channel) connectivity designed for connecting audio equipment. eARC supports DTS:X and Dolby Atmos object-based audio formats. It offers advanced control of the audio signal, and you can connect any device via HDMI, to a TV or audio device with HDMI 2.1, and it will detect and recognize it automatically.

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