Ultra High Speed HDMI Cable

The HDMI forum first defined the Ultra high-speed HDMI cable. Ultra High-Speed HDMI cables meet stringent specifications designed to reliably support high-definition video modes such as 4Kp50/60/100/120 and 8Kp50/60, as well as new features such as eARC and VRR. Ultra-fast HDMI cables exceed the requirements of the latest international EMI standards, greatly reducing the potential for interference with wireless services such as Wi-Fi.

The HDMI 2.1a specification includes a new cable, the Ultra High-Speed HDMI Cable. It’s the only cable to meet the exacting specifications developed to guarantee support for all HDMI 2.1a features including uncompressed 8k@60 and 4K@120. Increased cable bandwidth capacity supports up to 48 Gbps.

All certified cables, regardless of length, must pass certification testing at the HDMI Forum Authorized Test Center (Forum ATC). Once certified, the cable must have the Ultra High-Speed HDMI Certification label affixed to each box or point of sale so that consumers can verify the certification status of the product.

To identify your cable, please ensure your packaging requires the Ultra High-Speed HDMI Certification Label above. The label is printed with the official logo of the cable name. The name must also appear on the outer cable jacket itself. To ensure your cable has been tested and complies with the HDMI 2.1a specification, you can scan the label using the HDMI Cable Certification App available in the Apple App Store, Google Play Store, and other Android app stores.

Let’s take a look at some types of HDMI cables.

Type A: The original cable is designed for 19-pin HDMI 1.0-compliant devices and provides sufficient bandwidth to connect most HD devices.

Type B: The Type B connector is a 29-pin upgrade with increased bandwidth for ultra-high resolution displays. This connector is slightly wider than the Type-A connector but was abandoned shortly after the HDMI 1.3 specification was released, so it was never used in production.

Type C – Also known as “Mini HDMI”: These cable connectors have 19 pins configured to fit into the small connector space of portable HD-HDMI 1.3 devices.

Kevin Hart

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