20Gbps Data Transfer: This Rerwelin for Thunderbolt 4 Cable 15ft supports data transfer speeds of up to 20Gbps, allowing you to transfer large files and stream high-quality videos with ease. 4x faster than standard USB 3.0. Plug and play. Note: If you want a speed of 20Gbps, please ensure that your device supports a speed of 20Gbps. Both need to be met simultaneously, otherwise it cannot be achieved. 240W Fast Charging & PD 3.1: USB 4 cable for Thunderbolt 4 Cable with 240W PD 3.1 technology, this cable provides a powerful charging experience, delivering up to 48V and 5A of power to your devices for fast and efficient charging. 240w backward compatible. *Note: If you want to achieve faster charging speed, make sure your device and charger support it. 5K/4K@60Hz: Rerwelin 240W for Thunderbolt 4 Cable 15 ft can run 5K / 4K@60Hz. *If you connect to USB C port for video output, please make sure your device supports Alt mode. It also support daisy chain function. Wide Compatibility: Full for all Thunderbolt 4, USB4 devices,it is fully backward compatible with USB 2.0 / 3.0, USB 3.2 Gen 1 Gen 2 / USB 3.2 Gen 2x2 and Thunderbolt 3 devices. It is perfectly suited for iPhone 17 16, Mac mini M4, 2016+ MacBook Pro, 2017+ Mac, 2017+ Mac Pro, 2020+ M1 MacBook Air, Surface Pro 7/8/9, Windows laptops and PCs, docking stations, external SSD, hard drives, eGPU, ChromeBook, VR Headset, etc. 15X More Durable: This heavy duty for Rerwelin 240W Thunderbolt 4 Cable is designed with a high-quality jacket, ensuring it has a lifespan of over 60,000 bends. It is flexible and durable. The quadruple shielded and tinplate design of this cable ensures it is highly resistant to EMI. 15X more durable than regular jacket. The zinc alloy shell maximizes heat dissipation, enhancing its overall durability. Tested plugging and unplugging over 98,000+. Help: Package include 240W for Thunderbolt 4 cable, If you have any questions, we will reply your problem within 24 hours. Rerwelin 15 FT for Long Thunderbolt 4 Cable 100W, 20Gbps