Did your cable keep up the Port's accelerating? Featured with USB 4.0 and Thunderbolt 4 standard, can be applied to the latest Thunderbolt 4 compatible interfaces, backward perfect for Thunderbolt 3 | How Fast Can It transfer? 40Gbps data transfer transmission . The quickest data transfer speed now can reach to finish 5G files in 2 second. (The final actual data transfer speed depending on host and device support) | What authoritative certification? USB-IF certified USB 4 cable, more safty | How fast for charging? 100W Power Supply, comply with QC and PD Quick Charge, support up to 20V/5A (100W) charging. | Which devices are compatible?: Perfectly for Windows Thunderbolt 3/4 Laptop & PCs, Thunderbolt Docking Stations, Mac book Pro 2016+ , iPad mini 2021, 2017+ iMac, 2017+ iMac Pro, 2020+ Mac book Air,,High Speed Storage and Peripheral Devices.