The longer a DisplayPort cable gets, the lower the visual quality will become
By Roger Fingas Nov. 8, 2026 4:00 pm EST Alina Vytiuk/Getty Images Add Engadget on Google: Google DiscoverAlthough pure USB-C and Thunderbolt video connections are gaining traction, DisplayPort continues to rule the day for a lot of Mac and Windows PCs, and it's likely just as much about production cost as legacy compatibility. To equal the bandwidth of the best DisplayPort tech, companies need to use USB 4 v2 or Thunderbolt 5. Whether that's inherently more expensive to manufacture or not, people also tend to expect power delivery through USB-C and Thunderbolt, whereas DisplayPort can be exclusively about video.
