Currently Being ModeratedFeb 4, 2013 2:18 PM (in response to Zathrak)
Open Activity Monitor, Show:>All Processes, sort on CPU%, click on the Disk Activity tab & you can see the throughput used.
Thunderbolt's benefits become clearer using single-drive devices with 3.5" disks. Moving a single file to the GoFlex Desk resulted in similar performance from Thunderbolt and USB 3.0. However, USB doesn't support command queuing. As a result, Thunderbolt takes a 22% lead when transferring bulk files. This is also an advantage when it comes to editing video, as data caching behaves similarly.