8K UHD HDMI 2.1 48Gbps Active Optical Cable

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Unmatched Professional Quality: The BG-CAB-H21A establishes an unparalleled benchmark for professional excellence. This 8K cable flawlessly transmits 8K@60Hz signals and supports high-refresh 4K resolutions, reaching up to 4K@120Hz. Enhanced by HDR video, seamless 48Gbps bandwidth, and compatibility with various audio formats, this cable provides users with a comprehensive toolkit that caters to the demands of any project.

Elevated Gaming and Entertainment: Introducing groundbreaking features such as automatic low latency mode, rapid media switching, frame transport, and variable refresh rate, individuals can fully engage in elevated gaming and entertainment experiences that push the boundaries of enjoyment.

Future-Proof and Advanced Security: The BG-CAB-H21A excels in transmitting top-tier 8K and 4K signals, providing a forward-looking solution for all your video distribution needs. Additionally, its HDCP 2.3 compliance enhances security through advanced media encryption, ensuring an extra layer of protection.

Features BG-CAB-H21A BG-CAB-HD
Max Resolution 7680 x 4320 3840 x 2160
Max Bandwidth 48Gbps 18Gbps
Max Frame Rate 120Hz 60Hz
HDCP Compatibility HDCP 2.3 HDCP 2.2
Max Reach 329ft/100m 50ft/15m


  • Quality & Clarity
    Supports HEAC, ARC (up to 66ft only), and HDR
  • Content Protection
    HDCP 2.3 certified
  • Long Range
    Reliable optical fiber HDMI cable for video
    and audio
  • Audio Support
    Compatible with DTS-HD Master Audio and Dolby True HD
  • High Resolution
    Handles 8K@60Hz, 4K@120Hz, 4:4:4 color format
  • Special Features
    Seamless, lag-free experience with VRR, ALLM, and QFT

Witness the Distinction!

1080p Full HD
Provides a clear image suitable for most screens, with 2 million pixels. Pixels may become visible on larger screens.
4K Ultra HD
Offers four times the pixels of 1080p (8 million pixels), resulting in a sharper and more detailed image, ideal for larger screens and applications where detail matters.
8K Ultra HD
The highest consumer-grade resolution, with 33 million pixels. It delivers incredibly sharp and lifelike visuals, best suited for large screens, high-end home theaters, and professional video production.
Visual representation of 4K@120Hz vs 60Hz and 30Hz
So, Who Precisely Can Reap The Benefits Of This Remarkable Product?

Businesses and Corporations

  • 8K Ultra HD
  • Durability
  • EMI protection
  • Range options

The BG-CAB-H21A caters to a wide range of business needs. Whether you're operating an airport and need to maintain digital signage with uninterrupted content delivery or you're a large retailer aiming to showcase your latest product line in stunning detail, our active optical HDMI cables are the ideal solution. These cables establish a secure connection over extensive distances, ensuring that your crucial displays remain uninterrupted and visually impressive.

Content Creators and Production Studios

  • 8K Ultra HD
  • Durability
  • Encrypted connections

In the world of content creation, precision and reliability are paramount. The BG-CAB-H21A, with its HDCP 2.3 certification, guarantees a secure and encrypted connection for sharing content without any concerns. Content creators, studios, and professionals can rely on this cable to safeguard their intellectual property and deliver high-quality content consistently.

A/V Installers and Integrators

  • 8K Ultra HD
  • Durability
  • Range options
  • Future proof with 8K and 4K support

Professionals working in the audiovisual integration industry will find the BG-CAB-H21A to be an indispensable tool in their toolkit. Its compatibility with 8K content and the ability to transmit signals over long distances make it an essential component for large-scale installations in conference rooms, theaters, and event venues.

What sets our professional-grade
cables apart?

Unlike standard HDMI cables from other manufacturers or retailers, BZBGEAR's BG-CAB-H21A boasts unparalleled durability and performance. It ensures a dependable connection without interruptions, even when transmitting data over significant distances.
With HDCP 2.3 certification, users can have confidence in the secure transmission of their content. BZBGEAR's active membership in the 8K alliance underscores our commitment to meeting rigorous industry standards, providing customers not just with a promise, but a guarantee of top-tier quality.
In conclusion, the BG-CAB-H21A is the ultimate choice for anyone seeking an HDMI 2.1 cable that offers reliability, versatility, and performance tailored to the demands of professional-grade applications. Whether you're a business looking to maintain seamless digital signage, a content creator safeguarding your work, an entertainment enthusiast craving the best, or an A/V professional ensuring flawless installations, this cable has you covered. Invest in the BG-CAB-H21A, and experience the pinnacle of HDMI cable technology.


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Do I Need HDMI 2.1 or Will HDMI 2.0 Work for 4K?
Do I Need HDMI 2.1 or Will HDMI 2.0 Work for 4K?