THUNDERBOLT 3 SPEED: Thunderbolt 3 cable data transfer speed is up to 40Gbps tha is 4x of USB Type C Gen 2 and 8x faster than Type C 3.0. Please NOTE that the data transfer speed will still depends on what Thunderbolt 3 devices you are using THUNDERBOLT 3 COMPATIBLE-VERSATILE POWER DELIVERY: Compatible with Thunderbolt 3 cable supplies up to 100 Watts of power delivery for rapid charging. Compatible with all Thunderbolt 3 port like Ethernet adapter, USB hub, Docking Station,eGPU, PCI-E, Razer Core and Windows DELL XPS15,Alienware17r4,Pixelbook,Macbook pro15/17/18,etc THUNDERBOLT CERTIFIED: Nekteck Thunderbolt 3 passive cable has acquired the Intel's Thunderbolt qualification standard. It went through quality checks to ensure durability, reliability and safety. It's safe and ensures consistent performance with your Thunderbolt 3 device