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Headline: VESA Boosts DisplayPort 2.1 with Longer, Faster Cables, Hinting at Future GPU Support
Introduction:
The Video Electronics Standards Association (VESA) is set to upgrade its DisplayPort 2.1 standard this spring, moving from version ‘a’ to ‘b’, a move that promises to significantly enhance high-bandwidth video connectivity. The most notable change? The introduction of DP80LL (Low Loss) active cables, which will triple the reach of DisplayPort 2.1’s ultra-high bit rate (UHBR20) 80Gbps signal, expanding from the current 1 meter to a more versatile 3 meters. This development, previewed ahead of CES 2025, suggests a new era of flexibility for gamers and professionals alike, and potentially signals a shift in GPU technology.
Body:
The current limitations of DisplayPort 2.1 have been a bottleneck for users seeking to maximize the potential of high-resolution, high-refresh-rate displays. The existing 1-meter cable length has restricted setup options, particularly in more complex configurations or larger workstations. VESA’s upcoming DP 2.1b specification addresses this directly by incorporating DP80LL active cables. These cables utilize advanced engineering to minimize signal degradation over longer distances, allowing for the full 80Gbps bandwidth of UHBR20 to be maintained across 3 meters.
James Choate, VESA Compliance Program Manager, emphasizes the benefits of this upgrade, stating, With VESA’s new DP80LL active cable specification, users are no longer limited to one-meter cable connections between DisplayPort 2.1 UHBR20 sources and hub or sink devices. This change is expected to unlock more flexible setups for consumers, allowing them to take full advantage of the highest video performance offered by DisplayPort 2.1 UHBR20, whether for gaming or professional workstation use.
The move also comes at a crucial time, as VESA anticipates a surge in DisplayPort 2.1 UHBR20 products hitting the market this year. The availability of DP80LL active cables will provide consumers with greater flexibility and choice, enabling them to fully realize the potential of these advanced display technologies.
Notably, VESA highlighted its collaboration with NVIDIA, stating that the two organizations have been working closely to ensure optimal performance and compatibility between NVIDIA GPUs and the DP 2.1b specification. This is particularly significant given that NVIDIA’s current top-tier professional card, the RTX 6000 Ada Generation, only supports DisplayPort 1.4a. This subtle hint suggests that NVIDIA’s next generation of Blackwell graphics cards are likely to embrace the latest DisplayPort protocol, which would be a major step forward for high-performance computing and gaming.
The industry is eagerly awaiting the official unveiling of pre-certified DP80LL cable samples at CES 2025. The expectation is that certified products will become available in the coming months, marking a significant leap forward in display connectivity.
Conclusion:
VESA’s upcoming DisplayPort 2.1b update is more than just a minor revision; it’s a crucial step towards unlocking the full potential of high-bandwidth video. The introduction of DP80LL active cables, extending the reach of UHBR20 signals to 3 meters, will provide greater flexibility and choice for users, while the collaboration with NVIDIA hints at a broader adoption of the standard in future GPU technologies. This development is poised to impact the gaming and professional workstation markets significantly, ushering in a new era of high-performance display connectivity. The coming months will be critical as we see the first certified DP80LL cables and compatible products hit the market, solidifying DisplayPort 2.1b’s position as the standard for cutting-edge visual experiences.
References:
- IT之家. (2024, January 6). VESA 预告今年春季更新 DisplayPort 2.1b 规范，引入三倍长度高速有源线材. https://www.ithome.com/0/743/713.htm
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