https://wccftech.com/intel-introduces-thunderbolt-4-a-truly-universal-connection/

Intel introduced the newest generation of the Thunderbolt, which is called Thunderbolt 4. This new generation offers increased minimum performance requirements, expanded capabilities, and USB4 specifications. These innovations allow the Thunderbolt connection to support two 4K display, which is double the support that a Thunderbolt 3 connection offers or users can connect a single 8K display!

"Thunderbolt provides consumers with a leading connectivity standard across a range of devices, helping to advance computing experiences and delivering on the promise of USB-C with simplicity, performance, and reliability. The arrival of Thunderbolt 4 underscores how Intel is advancing the PC ecosystem toward truly universal connectivity solutions." –Jason Ziller, Intel general manager of the Client Connectivity Division.