Thunderbolt 4 vs. Thunderbolt 3 vs. USB4: Which Is Best for Your Mac? April 27, 2025 / 9:30 AMApril 25, 2025 Thunderbolt and USB4 are connectivity protocols that use the USB-C port, a small, reversible connector standard on all modern Macs. Thunderbolt 3, introduced in 2015, brought blazing-fast speeds and versatility…