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Add 2x USB 3.0 and 4x USB 2.0 ports to a computer, externally through a single USB 3.0 connection. The ST7320USBC 6-Port USB 3.0/2.0 Combo Hub features a special high-output dedicated charging port which enables you to charge USB devices by providing up to 2A of power, or it can add 2x USB 3.0 and 4x USB 2.0 ports to a computer through a single USB 3.0 host connection.