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USB - Wikipedia
USB 2.0: Speed, Cables, Connectors & More - Lifewire
USB 2.0 vs 3.0: What’s the Difference and Which One Is Better
USB Explained: All the Different Types (and What They're Used for)
USB 2.0 Specification | USB-IF
USB Decoded: All the Specs and Version Numbers | Tom's Hardware
USB hardware - Wikipedia
USB (Universal Serial Bus): Everything You Need to Know - Lifewire
USB 2.0 vs USB 3.0 - Lifewire
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