Thunderbolt 5 is PCIe 4.0 x4 but CPUs now have PCIe 5.0. Thunderbolt will probably always be one generation behind and of course more expensive due to the contr

Thunderbolt 5 is PCIe 4.0 x4 but CPUs now have PCIe 5.0. Thunderbolt will probably always be one generation behind and of course more expensive due to the controller chips.