Usb4 arrives: decoding the fastest connection you need
Forget USB-C confusion. There's a new standard in town, and it's a game-changer. USB4 promises blazing speeds and versatile connectivity, but navigating the options can feel like deciphering an alien language.
What is usb4 and what is its potential?
USB4, the successor to USB 3.2 Gen 2x2, isn't just another iteration of the USB standard. It's a significant leap forward, built on Thunderbolt 3 technology. This means guaranteed speeds of 20 Gbps or 40 Gbps, and the ability to deliver up to 100W or 240W of power to your laptop. The real power? USB4 can simultaneously handle USB data, DisplayPort video, and PCIe traffic – a feat previous standards struggled with.
The latest iteration, USB4 v2 (2022), pushes even further, offering speeds of 80 Gbps or 120 Gbps and support for 6K or even 8K displays. This level of bandwidth unlocks possibilities for professionals working with high-resolution video and demanding applications.
Identifying a genuine USB4 cable can be tricky. Look for labels indicating the speed – "USB 40 Gbps" or "USB 80 Gbps" – often accompanied by the USB4 logo, which is a trident symbol combined with "USB" and the speed number. Power delivery is sometimes indicated with wattage ratings like "100W" or "240W (EPR)". If it supports Thunderbolt, a small lightning bolt icon will be present.
Reputable brands like Anker, Belkin, and Cable Matters offer certified USB4 cables. The best way to ensure you're getting a genuine, high-performance cable is to look for products with USB-IF certification and E-Marker chips. These chips verify the cable's capabilities, preventing bottlenecks and ensuring you're realizing the full potential of USB4.
The shift to USB4 is a welcome development. It provides the speed and reliability needed for fast file transfers between PCs and external drives, and for delivering high-quality content. Knowing how to identify it – by looking for the specific labels and certifications – is a small investment that pays off in performance.
The confusion around USB-C has been a persistent problem. USB4 aims to resolve that, offering a clearer path to high-performance connectivity. The future of data transfer is here, and it’s faster than you think.