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 …

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 backward …

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-host traffic in …

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 Mode, …

Dec 24, 2024 · Based on Thunderbolt technology, USB4 is powerful enough to serve as the interface for an external high-end GPU connected to a laptop. It can also charge devices in minutes, not hours, …

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 connection, …

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 Thunderbolt 3 protocol …

Dec 7, 2024 · USB4, short for Universal Serial Bus Generation 4, is the newest USB standard announced by the USB Implementers Forum (USB-IF) in August 2019. Based on Intel and Apple’s …

Thankfully USB4 is the (simpler) name of the latest open USB standard based on Thunderbolt 3 technology. USB4 supports up to 40Gbps bandwidth (depending on implementation), and includes …