USB4 Type-C Male to Type-C Male Cable 240W ERP - USB-IF Certified - BlackThis USB4 cable consists of a USB type C male on both ends. It is capable of transferring data at 40Gbps 20Gbps and is typically used to connect USB4 peripherals as well as charge and sync USB Type C mobile devices. USB4 is backwards compatible with previous generation USB devices and is also compatible with Thunderbolt 3 ports. Physical Characteristics Color Black Connector Plating Nickel Plated Contact Plating Nickel Plated Cable Diameter 5. 0 mm