USB4 Version 2.0 vs Thunderbolt 5 in 2026: What 80Gbps and 120Gbps USB-C Ports Actually Mean
USB-C ports can look identical while supporting dramatically different capabilities. USB4 now reaches up to 80Gbps, while Thunderbolt 5 provides 80Gbps bidirectional bandwidth and can use Bandwidth Boost for up to 120Gbps in video-intensive scenarios. This guide explains USB4 Version 2.0, Thunderbolt 5, USB-C compatibility, cables, charging, monitors, docks and external SSDs so PC and laptop buyers know what those specifications actually mean.
