0.8m Certified USB4 40Gbps Cable - USB C to C USB4™ is the most recent update in the evolution of USB. The maximum bandwidth is now 40Gbps double the previous best spec of 20Gbps (USB3.2 Gen 2x2 more→). It is based on Thunderbolt 3 technology ensuring greater compatibility with all USB Type C and Thunderbolt 3 devices. Specification: Length: 0.8m Power: 100w E-Mark Chip Colour: Black Supports up to 40Gbps PVC Connectors Packing - Poly bag USB Power Delivery 3.0 Our USB4 cable supports up to 100W Power Delivery allowing you to charge your devices faster. The Power Delivery over USB4 is bi-directional allowing power to flow to and from a connected device. DisplayPort Alt-Mode 2.0 DisplayPort