A Brief history of USB-Part Two

USB really came of age with USB 2.0, and USB 3.0's increase in speeds to 5Gbps has made it even more useful for all of the use cases mentioned above—it takes less time to perform system backups or to move giant video files around, and it relieves a bottleneck for 802.11ac or gigabit Ethernet adapters. It's relatively comfortable to run entire operating systems from USB 3.0 hard drives or flash drives, especially useful if you're trying to troubleshoot a machine or recover data from it. USB ports are often the only ports available on laptops, especially since Wi-Fi has reduced the need for dedicated Ethernet ports. The ubiquity of the interface guarantees support from all major chipmakers, from Intel to Qualcomm to AMD. (Intel's current chipsets support a total of 14 USB ports, a far cry from the two-ish that were usually available on early systems.)

In other words, USB isn't without its problems, but it's managed to gain and keep wide support from technology companies and the basic USB Type-A connector found on most computers has stayed the same size and shape for close to 20 years. Considering the patchwork of interfaces it came to replace, that's no small feat.

Since rising to power, a few different kinds of ports have attempted to challenge USB’s dominance. They usually achieve success on a small scale or in certain types of devices and they often do have a couple of features that help them do things USB can’t, but so far USB’s ubiquity has kept it dominant in the end.

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