USB2.0 card reader (which I didn't see on the product (my fault I'm sure there were no stars has decreased for it)), but I have a problem with the USB3.0 connector. It's unreliable and loses 2 stars for that. My Seagate USB3.0 drive keeps connecting and disconnecting through this card reader's USB3.0 port, but it's rock solid on my motherboard connectors. Note. I checked the connection of the cable to the card reader. This on a USB3.0 port is fine. it just doesn't work well. Your mileage may vary as there are inevitably "lemons" with every product. That's just my experience with it.
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