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VESA's new DisplayPort 2.1a specs support longer UHBR cables

VESA's new DisplayPort 2.1a update and its new DP54 cable specification enables support of both UHBR10 and UHBR13.5 sink and source devices up to 2m long.

VESA's new DisplayPort 2.1a specs support longer UHBR cables
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The Video Electronics Standards Association (VESA) has announced the latest update to DisplayPort, with the introduction of version 2.1a.

VESA's new DisplayPort 2.1a specs support longer UHBR cables 23

The new DisplayPort 2.1a update replaces the VESA-certified DP40 ultra-high-bit-rate (UHBR) cable specification with a new VESA-certified DP54 UHBR cable specification that enables up to four-lane UBHR13.5 link rate support, with a maximum throughput of 54Gbps over a two-meter passive cable.

This means that the new DisplayPort 2.1a update doubles the passive cable length of UHBR13.5 GPU-to-display connections, something that was previously only possible through a DP80 UHBR cable, which provides users with greater flexibility on their gaming or workstation setup.

James Choate, compliance program manager for VESA explained in the press release: "With the latest update to DisplayPort, the UHBR13.5 cable spec is now purpose built to provide both UHBR10 and UHBR13.5 monitors and graphics cards with a longer passive cable. Consumers are no longer limited to connecting UHBR13.5 sink and source devices with a one-meter DP80 cable, which provides more bandwidth support than what their hardware needs and, in some cases, might be too short for their set-up, for example with ultra-wide curved displays".

Bill Lempesis, executive director of VESA added: "Displays are increasingly being integrated into automobiles, which provides a valuable infotainment resource for drivers and passengers but can also create opportunities for safety errors and data breaches if not properly secured".

Lempesis added: "As the world's leading standards body for the global display industry, VESA takes automotive display safety and security seriously. Leveraging the latest versions of DisplayPort and eDP with VESA's Display Stream Compression (DSC) codec, our new Automotive Extension Services protocol can handle the safety and security needs of virtually every safety-critical display in the vehicle from a single cable. We are issuing a call to electronics, displays and automotive manufacturers to join our efforts in continuing to shape this new Automotive Extension Services protocol to address the future challenges and needs facing the automotive industry and consumers".

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Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.

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