The first USB4 products have begun to ship, almost a year after the specification was released. The initial products will include external storage devices, USB docks, and more, executives at the USB Implementers Forum (USB-IF) told PCWorld.
Although the USB-IF has taken some steps to reduce the confusion around USB4, it’s still going to be a little tricky to distinguish it from Thunderbolt 4—though it may not matter. Here’s what you need to know.
USB4: What you need to know
USB4 represents the closest merge to date of two I/O technologies, USB and Thunderbolt. USB has been around since 1995, providing a port for peripherals as small as a thumb drive or a mouse, or as big as a consumer printer. With USB4, however, the venerable rectangular USB-A port is finally giving way entirely to the ovular USB-C port.
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