Thunderbolt (interface) - Wikipedia Intel offers a single-port (JHL7340) and double-port (JHL7540) version of this host controller and a peripheral controller supporting two Thunderbolt 3 ports (JHL7440)
Thunderbolt 3 vs 4 vs 5 vs USB4: Speeds, Power, Cables If you’re picking a laptop, dock, cable, or eGPU setup, the port label decides how many displays you can run, how fast your storage moves, and whether a single cable can power everything
TECHNOLOGY BRIEF Thunderbolt 3 In the Thunderbolt mode, Thunderbolt 3 port has the ability to support at least one or two (4 lane) DisplayPort interface(s), and up to 4 lanes of PCI Express Gen 3
Thunderbolt 5 and Thunderbolt 4 laptops – the complete list We’ll also include details on their format, hardware platform, type of TB3 port (x2 or x4 PCIe lanes), whether each laptop can charge via USB-C, and the starting MSRP price in the US, in case you’re looking for something within a specific budget or one of the cheaper Thunderbolt laptops out there