HDMI 2.1 Gets More Power For Longer Active HDMI Cables

The updated HDMI 2.1a is going to get the HDMI Cable Power feature as recently announced by the HDMI Licensing Administrator. Thanks to this feature, the active cables get more power directly from the main source device. This eliminates the need for additional power cables. Only a few meters of HDMI cables would be enough and will not require any external power source.

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Longer HDMI 2.1 cables are easily available, but let’s admit, the longer the cable the more connectivity issues it is going to face. We see this problem becoming more obvious when more devices will jump to the HDMI 2.1 standard which will allow for a bandwidth of up to 48 Gbps.

The HDMI Cable Power has been specifically designed to take care of this specific problem as it supplies more power to the active devices. This helps to improve stability in connection even between long distances. The power cable works in exactly the same way as the regular HDMI cable. However, the source and receiving devices need to be able to support this technology.

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In addition to this, these cables will support USB Micro-B or Type-C connector for the source devices which don’t support the Cable Power.