SB4PD USB protocol standards are different. USB4 requires a USB-C connector and requires USB PD support for power supply. Compared to USB 3.2, it allows DisplayPort and PCI Express tunneling. This architecture defines a method for dynamically sharing a single high-speed link with multiple end device types that best handles data transfer by type and application. USB4 products must support 20 Gbit/s throughput and can support 40 Gbit/s USB protocol standards are different. USB4 requires a USB-C connector and requires USB PD support for power supply. Compared to USB 3.2, it allows DisplayPort and