How Beer is Made. Beer is made from four basic ingredients: Barley, water, hops and yeast. The basic idea is to extract the sugars from grains (usually barley) so that the yeast can turn it into alcohol and CO2, creating beer.
Among other improvements, USB 3.0 adds the new transfer rate referred to as SuperSpeed USB (SS) that can transfer data at up to 5 Gbit/s (625 MB/s), which is about ten times as fast as the USB 2.0 standard.
SSDs can operate much faster than even the USB 3.0 interface... so the USB interface itself may well be the bottleneck (or limiting factor) in a setup including an external USB-attached solid-state drive. You can help to some extent by using eSATA to connect the SSD. eSATA is much faster than USB 3. Note: The performance penalty caused by the USB interface is not likely to be noticeable by users in the normal course of computer use. But it would certainly be during benchmarking.