Universal Serial Bus 4 (USB4), sometimes erroneously referred to as USB 4.0, is the most recent technical specification of the USB (Universal Serial Bus) data communication standard.

USB4® represents a major update to deliver the next generation of USB architecture – enabling the highest USB bandwidth available and extending USB Type-C® performance. The USB4 …

Oct 3, 2025 · This guide explains what USB4 is, how it compares to older USB versions and Thunderbolt, which cables you need, how display connectivity works through DisplayPort Alt …

Dec 5, 2025 · The latest USB standard, USB 4, was released in 2019. It offers a maximum data transfer rate of 40Gbps, making it twice as fast as Thunderbolt 3. Intel has donated its …

Apr 25, 2025 · USB4 is the latest iteration of the Universal Serial Bus (USB) protocol designed for high-speed data transfer. It builds on the strengths of USB 3.2 2x2 by maintaining the USB-C …

Feb 6, 2025 · What is USB4? USB4, released in 2019, is the latest version of the Universal Serial Bus protocol, designed for high-speed data transfer. It supports speeds up to 40Gbps and is …

Sep 29, 2025 · USB-C, USB-A, and More USB-C or USB-A refer to the physical shape of the connectors and ports on devices, not necessarily their speeds or features.

A specification released in August 2019 by the USB Implementers Forum, USB4 is not a faster version of USB 3.x. Rather, USB4 tunnels USB 3.x, DisplayPort, PCIe®, and optional host-to …

Dec 11, 2024 · NOTE: Adopters may only use this USB specification to implement USB or third party functionality as expressly described in this Specification; all other uses are prohibited.

Technologies USB4® USB 3.2 USB Charger (USB PD) USB Type-C® Authentication Compliance