Hdmi B

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

23 来源

The phrase "HDMI B" primarily refers to the HDMI Type B (Dual-Link) connector, a specialized variant defined in the original HDMI 1.0 specification. While it was technically revolutionary at its launch, it represents one of the most significant "paper specifications" in consumer electronics history, having been largely bypassed by the evolution of the standard Type A connector.

Technical Profile & Status

* Design & Capability: HDMI Type B features 29 pins, significantly more than the 19 pins found in standard Type A, C (Mini), and D (Micro) connectors Tme Sameskydevices. It was designed for Dual-Link architecture to support very high resolutions (beyond 1080p) that early single-link HDMI could not handle Monoprice Businessresearchinsights.

* Current Market Reality: In consumer electronics, Type B is effectively non-existent. No major TVs, monitors, or gaming consoles ever integrated Type B ports Eaton Monoprice. Current HDMI 2.1 standards achieve up to 48Gbps using the standard 19-pin Type A, rendering the physical 29-pin design of Type B redundant Monoprice Strategicmarketresearch.

* Market Share Ambiguity: Some industry reports attribute roughly 10% of the HDMI cable market share to "Type B" Businessresearchinsights. However, this often refers to specialized industrial and broadcasting equipment rather than consumer retail Mordorintelligence.

Market Trends & Insights (2025–2026)

1Technological Redundancy: The demand for Type B has declined by approximately 20% over the last five years Businessresearchinsights. Manufacturers prefer increasing bandwidth through signaling protocols (like FRL in HDMI 2.1) rather than increasing physical pin counts Hdmi Monoprice.
2Industrial Niche: Its only remaining relevance is in legacy professional AV systems or specific high-end broadcasting setups that transition from Dual-Link DVI-D Tcl Monoprice.
3Search Term Confusion: The term "HDMI B" is frequently used by buyers to search for HDMI 1.4b (a common version for 4K@30Hz) rather than the physical Type B connector. B2B platforms show robust search volume for HDMI 1.4b cables, while physical Type B hardware is nearly impossible to source through standard wholesale channels .

Market Summary

Aspect	Detail	Status
Connector Type	29-pin Dual-Link	Legacy/Niche
Dominant Alternative	HDMI Type A (Version 2.1)	Active Leader
Market Share	~10% (Industrial only)	Declining
Key Use Case	Legacy Broadcasting/High-end AV	Obsolescent

Sources & References

23 sources cited · Verified industry data & reports

Mini, micro, or standard? Overview of HDMI connector ...

TME

HDMI type B – dual-link. Type B connector, also known as dual-link HDMI, was developed with future needs for very high data transmission bandwidth in mind. It ...

HDMI 2.2 Specification Technology Overview

HDMI Licensing Administrator, Inc.

Can I use the Ultra HDMI Cables with HDMI 2.1b or HDMI 1.4b products? Yes. Both Ultra HDMI cables support all HDMI 2.1b and 1.4b features.

HDMI explained

Eaton

HDMI Type B (dual link) was developed for very high-resolution displays but was never used.

Was HDMI Type B ever a thing? : r/pcmasterrace

Reddit · r/pcmasterrace

In my now over 13 years working with computers I NEVER saw an type B HDMI mentioned. Okay, type C and especially D are quite rare too, but they are ...

HDMI 2.1a Specifications Updated to Include Cable Power ...

TechPowerUp

With this feature, active HDMI Cables can now be powered directly from the HDMI Connector, without attaching a separate power cable. This makes ...

What are HDMI connectors?

Connector Supplier

An HDMI connector is a standardized interface used for transmitting high-definition audio and video signals between a source and display.