Premium is a series of high-quality products within the MicroConnect brand. designed with premium materials. reliable performance. and a sharp modern design for professional connectivity solutions. See the full Premium Assortment at the following link: https://www.eetgroup.com/inspiration/microconnect-premiumThe Thunderbolt 4 cable data transfer speed is up to 40Gbps ; Please NOTE that the data transfer speed will still depend on what port you are using with. USB 3.1 Gen 2(10 Gbps) USB3.1 gen 1/ 3.0(5 Gbps)← ←Thunderbolt 4 cable can be 240 Watts of power delivery for rapid charging; Compatible with all Thunderbolt 3+4 & USB C gadget like Ethernet adapter. USB hub. Docking Station.eGPU. PCI-E. Razer Core and Windows DELL XPS15.Alienware17r4. LenovoThinkPad. Pixelbook. Macbook pro15/17/18. etc (Note: Regular Type-C port is NOT compatible)← ←The Thunderbolt 4 Built in Intel’s Thunderbolt chipset . It went through quality checks to ensure durability.reliability and safety; It’s safe and ensures consistent performance with your Thunderbolt enabled device.← ←The Thunberbolt 4 Cable Support dual 4K 60Hz video or one single 8k@60Hz with a single cable when connecting Thunderbolt port; Enjoy ULTRA HD video resolution! Please NOTE that if you are connecting with USB C port to output video; Please make sure your USB C port supports DisplayPort Alternate Mode (Alt Mode) This set up can only produce one 4K display.← ←The Thunderbolt 4 Cable is made of high quality Coaxial Cable with flexible and flex-resistant TEFLON insulation material and ultra-fine tinned copper are woven; To reduce radiated interference and extend service life. flexible TPE cable jackets for home and industry requirement.