The Plugable passive 1M (3.3ft) Thunderbolt 4 and USB 4 cable is built to deliver a true Thunderbolt experience. Even at a full meter, get 100W Power Delivery, 40Gbps data transfer speeds, and support for two 4K screens or one 8K screen with no loss in performance. And because it's certified Thunderbolt 4, it can be used as a Thunderbolt 3 cable in your Thunderbolt 3 dock - and that's true for USB-C and USB4, too. Thunderbolt 4 or USB4, which is it? Both. And a little more. This cable is Thunderbolt 4 certified, and that comes with some incredible benefits. USB-C, USB4, Thunderbolt 3, or Thunderbolt 4, it doesn't matter, The Plugable passive 1M USB4 and Thunderbolt 4 cable will work. Even at a full meter, you won't see a decrease in performance. Often overlooked, the cables connecting computers to their peripherals have an important part to play. That's why and TBT4-40G1M cables are Thunderbolt certified - it's the only way to ensure you're getting complete compatibility and reliability. That means data transfer speeds up to 40Gbps, 100W 20V/5A Power Delivery, and backward compatibility with previous generations of Thunderbolt and USB. You have a powerful laptop. You have a high-definition monitor. Don't sacrifice your resolution to cheap Thunderbolt cables. Plugable's 1M passive Thunderbolt 4 and USB 4 cables deliver 33 million picture-perfect pixels, either split between two 4K monitors @60Hz, or all on one 8K screen @30Hz.