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VESA Announces DisplayPort 2.0 UHBR certification

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HDMI 2.1 problems are likely to be addressed through the UHBR Certification program of VESA. HBR Certification program.

VESA Announces DisplayPort 2.0 UHBR certification
(Image credit: StarTech)

On Monday, the Video Electronics Standards Association (VESA) started the process of certifying the forthcoming DisplayPort 2.0 cables. It will permit DP40 along with the DP80 wires, which will allow users to distinguish between wires that have different bandwidths and the ability to display. This move is designed to avoid confusion HDMI 2.1-branded cables with additional capabilities that have confused consumer electronics.

VESA certified DP40 cables are expected to work with the UHBR 10 Gbps data transfer speed; in contrast, VESA certified DP80 is compatible with UHBR 13.5 and UHBR 20, which has 13.5 Gbps or 20 Gbps speeds for data transfer. The same applies to display adapters and graphics (both built-in and stand-alone), mini DisplayPort, and the USB-C cable, which has the DP_Alt_Mode feature.

The most current DisplayPort 1.3/1.4 cables and suitable display devices accommodate resolutions of up to 7680×4320 at 30 Hz. Display stream compression (DSC) that utilizes HBR3 transmission mode. It supports 32.4 Gbps/25.92 Gbps effective or raw bandwidth. Contrary to this, this DisplayPort 2.0 specification was explicitly designed to help resolutions that exceed 85 Hz, with 7680×4320 resolution, and 10K at 60 Hz using Transmit mode UHBR 20 (at 80.00/77.37 Gbit/s speeds) with vivid colors either with or without DSC or even higher resolutions (e.g., 16K) using it.

VESA Announces DisplayPort 2.0 UHBR certification
(Image credit: VESA)

Some display devices don’t offer 8K resolution with deep colors. This is why they don’t need UHBR 20 as a transmitting method. This is that DisplayPort 2.0 can be regarded as a prerequisite. DisplayPort 2.0 specification comprises UBHR 10. (at 40Gbps raw bandwidth) as well as, for instance, the UBHR 13.5 (at 54 Gbps of raw bandwidth). In all, DisplayPort 2.0-badged cables are more efficient than DisplayPort 1.3/1.4 cables in terms of bandwidth support, but the performance difference among 2.0 cables are substantial enough to create confusion. This is why VESA introduces this certification program to distinguish the UHBR10 clearly. (called”DP40″) (also known as DP40) and UHBR 13.5/UHBR 20 supporting cable (called the DP80) and outputs.

VESA says that a wide range of different video sources (i.e., graphic adapters) and display devices are being tested in the DisplayPort UHBR Certification Program right now and are expected to obtain early certification shortly.

“No matter what the monitor or graphics card may be, however, how good your pictures are still limited by the cables that you connect to these devices,” explained James Choate, the compliance program manager at VESA. “Thanks to the advancements in the design of cables and connectivity, and connectivity options like DisplayPort connectors and cables, the newest VESA accredited UHBR cables DP40 and DP80 enable users to experience the highest performance when using VESA certified devices. These new cables are backed through the UHBR Certification Program of VESA, which provides you with additional assurance that when you buy a line that includes the DP40 or DP80 logo of VESA that it is compatible with the specifications for the highest speed of data support by the devices at present and are to be recognized by VESA. “


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