Connector type: A (USB 2.0 9-Pin Female to USB 3.0 20-Pin Male), B (USB 2.0 9-Pin Male to USB 3.0 20-Pin Female) (Optional). Connect your USB 3.0 20pin device to the USB 2.0 motherboard or connect your USB 2.0 9pin device to the USB 3.0 motherboard.
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