How can you tell the difference between a USB 2.0 and 3.0 cable?
USB 2.0 Connectors are colored white or black inside while USB 3.0 is colored blue inside. USB 2.0 has 4 connector wires while USB 3.0 has a total of 9 connector wires. USB 2.0 offers a transfer rate of 480 Mbps and USB 3.0 offers speed up to 5 Gbit/s, which is 10 times faster.