drive55 Posted August 31, 2013 Share Posted August 31, 2013 My laptops have intel i5 & i7 cpus, usb 3 ports w/ drivers installed,ssds for the main internal OS drives,and SATA III for accessory drives inside the laptops.I use TeraCopy as default file copy app.When I plugin an external SATA hdd that's inside a usb 3 enclosure, into a usb 3 port and copy files to/from the interal drives,TeraCopy does give an estimated transfer speed in the title bar - which varies from 20-something to 90-something MB/s.I'm aware that file/folder types affect the transfer speeds, but my overall question is --how can I determine for sure that transfer is occurring by means of the usb 3 standard? is there some app or Sysinternals utility that would indicate this?Or, is it a default logical inference that if the speed is showing to exceed "xxxx" MB/s,then that speed is automatically exceeding the usb 2 spec, and therefore means that usb 3 is functional ??Hope my question is clear, if not I'll try again - thx for any helps. Link to comment Share on other sites More sharing options...
jaclaz Posted August 31, 2013 Share Posted August 31, 2013 Rule of the thumb.Don't expect anything higher than 30/40 Mb/s on USB 2.0.Anything faster is USB 3.0.Of course the "estimated transfer speed" is "estimated", however.jaclaz Link to comment Share on other sites More sharing options...
drive55 Posted September 2, 2013 Author Share Posted September 2, 2013 Thanks Jaclaz, yes by the speeds that at least some of the transfers show, I know I'm hitting the usb.3 mark ~ Link to comment Share on other sites More sharing options...
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