The Plugable Thunderbolt 4 EPR cable is built to deliver a true Thunderbolt experience. Incredibly fast 40Gbps data transfer speeds and support for two 4K screens or one 8K screen is just the start. With Extended Power Range (EPR), this cable is built with the future in mind and can deliver up to 240W. And because it's Thunderbolt Certified, it can be used as a Thunderbolt 3 cable in your Thunderbolt 3 dock-and that's true for USB-C and USB4, too. 240W Extended Power Range When we say this cord offers Extended Power Range (EPR), we mean it can carry up to 240W, unlike previous generations of cables that max out at 100W. For many, this will be considered a usb c charger cable fast charging option. And that's no surprise, because with 240W, you can power just about any laptop on the market, and those to come. As more devices begin to integrate EPR functionality, you'll find this cable has you future-proofed. Thunderbolt Certified Often overlooked, the cables connecting our computers to their peripherals have an important part to play. That's why our Thunderbolt 4 EPR cables are Thunderbolt Certified, it's the only official way to ensure you're getting complete compatibility and reliability. That means this data transfer cable with speeds up to 40Gbps, 240W 48V/5A EPR, is backward compatibility with previous generations of Thunderbolt and USB. Future-Proof with Thunderbolt 4 Thunderbolt 4, USB4, or USBC to USBC cable, what is it? All of the above. And a little more. This cable is Thunderbolt 4 certified, and that comes with some incredible benefits. Thunderbolt 4, Thunderbolt 3, USB4, or USB-C, it doesn't matter, the Plugable Thunderbolt 4 EPR cable will work. Even at a full meter (3.3ft), you won't see a decrease in performance. It should be noted that actual performance is determined by the capabilities of the host and peripheral(s).