In my laptop (a Lenovo y470 ) there are three USB ports. One of those is USB 3.0 others are USB 2.0 . I do not know which one is what. When I copy data from my External HDD it transfers at 38MB/s from all of the USB ports. (Which is a good speed for USB 2 transfers, but to low for USB 3).
I used the device manager to confirm that I have one USB 3.0 port.
Is there a way a can figure out which port is 3.0 ?
Answer
According the tech specs
Left side: two USB 3.0 ports, external monitor (VGA DB-15, HDMI), ethernet (RJ-45)
Right side: one USB 2.0 port and one eSATA/USB combo port
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