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USB - Wikipedia
USB (Universal Serial Bus): Everything You Need to Know - Lifewire
USB Explained: All the Different Types (and What They're Used for)
USB hardware - Wikipedia
USB Flash Drives: 4GB to 128GB Flash Drives - Best Buy
USB | Definition, Meaning, & Facts | Britannica
USB Decoded: All the Specs and Version Numbers | Tom's Hardware
USB speeds, types and features explained - Tech Advisor
Front Page | USB-IF
USB4® | USB-IF