USB 2.0: Reading: 31.53 MB / s Writing: 25.83 MB / s
USB 3.0: Reading: 94.23 MB / s write: 107.21 MB / s
In other words: Is the external disk connected to this card, reads it three times faster and writes four times faster than a USB 2.0 port. When writing large amounts of data can mean that a backup is completed in 10 minutes instead of for about three quarters of an hour. The second of the four ports I use a card reader. Here is the publication of the figures is less useful because it largely depends on the map, this limits the speed and unfortunately true the maximum that is printed on the card body, in none of my CF / SD card. But on average, the transmission is again twice as fast.