Thunderbolt 4 is a high-speed connectivity standard developed by Intel. It offers data transfer speeds of up to 40 Gbps, allowing users to connect multiple devices, such as monitors and external storage, through a single cable. This technology supports various protocols, including USB4, making it versatile for different devices. In addition to fast data transfer, Thunderbolt 4 provides power delivery, enabling devices to charge while connected. It also supports daisy-chaining, allowing users to connect up to six devices in a single chain. This makes it an efficient solution for both personal and professional setups.