Oct 26, 2026Industry News
DP40, DP54, DP80LL: the DisplayPort Tier Names Keep Changing, and Buyers Must Track Them
DP40 is being re-verified as DP54, and DP80LL active cables now carry 80Gbps at three meters. DisplayPort tier names evolve: buyers must track them.
DisplayPort's cable certifications were supposed to simplify buying: two tiers, DP40 and DP80, one number each, done. Instead, the tier system has become a living thing, and 2026 is the year buyers noticed. Trade sources including Cable Matters report that the DP40 cable specification has been superseded by a DP54 certification, with existing DP40 cables re-verified against the new standard. The DP80LL low-loss active tier, introduced with the DisplayPort 2.1b update at CES in January 2025, now carries full UHBR20 bandwidth over three-meter active cables. And VESA's Taipei Workshop on October 16, 2026 dedicated its sessions to exactly these DisplayPort 2.1b capabilities, per the workshop's own event page.
The lesson is not that DisplayPort certification is unreliable. It is that certification is a living system, and living systems rename things. Buyers who treat tier names as permanent are building inventory on sand.
The Tier Timeline, Briefly
For the record, as documented by VESA's own announcements and the trade press: DP40 and DP80 cable certifications launched with DisplayPort 2.1 in October 2022, certifying the 40Gbps and 80Gbps classes respectively. The 2.1b update, announced at CES on January 6, 2025, added the DP80LL designation for low-loss active cables holding UHBR20 at three meters. And through 2026, the DP54 designation has been superseding DP40, with existing DP40-class cables re-verified against the higher standard, per trade coverage including Cable Matters' materials. Every change raised the bar. Every change also retired a name.
What Tier Drift Means for Buyers
Three consequences follow, and each one is actionable. First, always buy the tier and the date, not the name alone: a cable listing should state its certification tier and ideally the specification revision it was certified against, and the documentation should arrive with the sample. Second, stocking has shelf-life risk in a tier-drift market: importers holding deep inventory of a superseded tier name face repricing when the market re-labels, which argues for the leaner stocking that no-MOQ factory terms, like ours, are designed to enable. Third, ask suppliers what changed: a factory that tracks the standards bodies can tell you which cables were re-verified and when, and that tracking is itself a quality signal, the same one behind per-unit testing and aging screening.
The Mattzon Read
DisplayPort 2.1 cables in our line, including the 16K-class models launched this month, are built and documented against the current tier system, and our certification documentation ships with bulk orders so the names on the box match the names at VESA. Tracking the tiers so our customers do not have to is part of the product, from a Shenzhen factory running 89% private-mold lines, no MOQ and 3 to 25 day lead times.
If you are stocking DisplayPort 2.1 cables and want the current tier documentation with your samples, message Kitty's team on WhatsApp at +86 186 8146 2886.
Sources: VESA, DisplayPort 2.1 specification release (Oct 17, 2022; DP40/DP80 tiers); CES 2025 announcement of DisplayPort 2.1b with DP80LL active cables (Jan 6, 2025; per Wikipedia and VideoCardz coverage); Cable Matters 2026 materials on DP54 superseding DP40 with re-verification; VESA Taipei Workshop 2026 event page (Oct 16, 2026).
