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DisplayPort 2.1b Arriving This Spring With DP80LL Cables

Written by Michael Larabel in Standards on 6 January 2025 at 02:12 PM EST. 50 Comments

In addition to the HDMI Forum announcing the HDMI 2.2 specification for release in the first half of this year, VESA also took to CES 2025 to announce their forthcoming DisplayPort 2.1b standard.

Over DisplayPort 2.1, the DisplayPort 2.1b standard will support new DP80LL low-loss ultra-high bit-rate cables that can enable up to four-lane UHBR20 link rate support for a maximum throughput of 80 Gbps... Short of the 96 Gbps with HDMI 2.2 on Ultra96 cables, but even the 80 Gbps will be sufficient for the masses.

DisplayPort 2.1b is set to be released in the spring and with DP80LL cables will allow for up to 3x the cable length of existing UBHR20 GPU-to-display DP80 passive cables.

DisplayPort logo

More details on today's DisplayPort 2.1b spec announcement via DisplayPort.org.

50 Comments

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About The Author

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.