This connecting cable in the Thunderbolt 3/4 class provides the highest performance possible: Data transfer of up to 40 Gbps, power delivery of up to 100 W and video up to 2x 4K with a refresh rate of up to 60 Hz (or 1x 8K / 30 Hz). If you are searching for a top-quality, inexpensive and adequately long cable to connect your computer with accessories, then this product is perfect for you. Since it’s compatible with Thunderbolt 3/4 as well as with USB-C technology, its usage is universal if, for example, you work with accessories that use both of these standards. This extension cable is top-quality with a minimum loss of signal quality and transmission speed and it of course delivers everything that you would expect from Thunderbolt 3/4 technology.