USB4 is a universal connectivity standard that allows devices to transfer data, video, and power through a single cable. It supports high-speed data transfer rates of up to 40 Gbps, making it suitable for demanding applications like gaming and video editing. USB4 is compatible with previous versions, such as USB 3.2 and USB 2.0, ensuring a wide range of device support. One of the key features of USB4 is its ability to use the USB-C connector, which is reversible and compact. This standard also enables multiple devices to share bandwidth, improving efficiency when connecting peripherals like monitors and external drives.